2012

Journal Papers:

• Huang, W. and Kovacevic, R., “Development of a Real-time Laser-based Machine Vision System to
  Monitor and Control Welding Processes”, the International Journal of Advanced Manufacturing Techology, DOI:10.1007/s00170-012-3902-0, 2012 
• Balu, P., Kong., F., Hamid, S., and Kovacevic, R., “Multi-response Optimization of Laser-based Powder Deposition of Multi-track Single Layer Hastelloy C-276”, accepted for the Journal of Materials and Design
• Ma, J., Kong, F., and Kovacevic, R., “Finite-Element Thermal Analysis of Laser Welding of Galvanized High-strength Steel in a Gap-Free Lap Joint Configuration and its Experiemntal Verification”, the Journal of Materials and Design, 36(2012) 348-358, doi:10.1016/j.matdes.2011.11.027, 2012
• Santhanakrishnan, S., Kong, F., and Kovacevic, R., “An Experimentally-based Thermo-kinetic Phase Transformation Model for Multi-pass Laser Heat Treatment by using High-power Direct Diode Laser”, the International Journal of Advanced Manufacturing Technology, DOI: 10.1007/s00170-012-4029-z,
• Fortier, A. and Kovacevic, R., “Internal Microstructure Investigation of Tin Whisker Growth using FIB Technology”, accepted for the IEEE, Journal of Electronic Materials
• Balu, P., Kong, F., and Kovacevic, R.,”Parametric Study on a Coaxial Multi-material Powder Flow in Laser-based Powder Deposition Process”, to the Journal of Materials Processing Technology, 212 (2012) 1598-1610, doi:10.1016/j.matprotec.2012.02.020.
• Kong, F., Ma, J., Carlson, B., and Kovacevic, R., “Real-Time Monitoring of Laser Welding of Galvanized High-strength Steel in Lap Joint Configuration”, the Optics & laser Technology,
  http://dx.doi.org/10.1016/j.optlasrec.2012.03.003
  

Conference Papers:

• Asgharifar, M., Abramovitch, J., Kong, F., Carlson, B., and Kovacevic, R., “Wettability Enhancement of Aluminum Alloys via Plasma Arc Discharge”, accepted for the Proc. Of the ASME 2012 International Manufacturing Science and Engineeirng Conference, MSEC2012, June 4-8, 2012, Norte Dame, IN, MSEC2012-7331
• Anago, J., Kong, F., Carlson, B., and Kovacevic , R., “A Comprehensive Model for Predicting Fatigue Life of Laser Welded Lap Joint of Galvanized High-strength Steel as a Function of Residual Stresses”, submitted to the IMECE, 2012, Paper#88318 
• Liu, S., Kong, F., and Kovacevic, R., “Investigation of Gas-powder Flow in Cladding by Hollow Laser Beam”, submitted to the IMECE, 2012, Paper#89573
• Leggett, P., Carlson, B., Kong, F., and Kovacevic, R., “Fluxless Laser Brazing of AA 6111 with Hot Wire Filler”, submitted to the IMECE, 2012, Paper#89807
• Jamshidinia, M., Kong, F., and Kovacevic, R., “Numerical Analysis of Heat Transfer and Fluid Flow in Electron Beam Melting of Ti-6Al-4V”, submitted to the IMECE, 2012, Paper #89440.
• Harooni, M., Kong, F., Carlson, B., and Kovacevic, R., “Mitigation of Pore Generation in Laser Welding of Magnesium Alloy AZ31B in Lap Joint Configuration”, submitted to the IMECE 2012, Paper # 89073
• Harooni, M., Kong, F., Carlson, B., and Kovacevic, R., “Optimization of Laser Welding Parameters of ZEK100 magnesium Alloy in Lap Joint Configuration”, Paper #3711, submitted to the ICALEO 2012 Conference, Sept. 2-27, 2012, Anaheim, CA

2011

Journal Papers:

• 1. Yang, S., Carlson, B., and Kovacevic, R., “Laser Welding of High-strength Galvanized Steels in a Gap-free Lap Joint Configurtaion under Different Shielding Conditions”, The Welding Journal – Welding Research Supplement, January 2011, Vol. 90, pp. 8-s – 18s.
• Huang, W. and Kovacevic, R., “A Laser-based Vision System for Weld Quality Inspection”, Sensors 2011, 11, doi:10.3390/s110100506, Open Access, ISBN 1424-8220, pp. 506-522
• Kong, F., Ma, J., and Kovacevic, R., “Numerical and Experimental Study of Thermally Induced Residual Stresses in the Hybrid Laser-GMAW Process”, the the Journal of Materials Processing Technology, doi:10.1016/j.jmatprotec.2011.01.012, 211(2011) pp. 1102-1111
• Huang, W., and Kovacevic, R., “A Neural Network and Multiple Regression Method for the Cahracterization of the Depth of Weld Penetration in Laser Welding based on Acoustic Signatures”, the Journal of Intelligent Manufacturing, Vol. 22, Issue 2(2011), pp. 131.
  published on-line May 12, 2009, DOI 10.1007s10845-009-0267-9
• Santhanskrishnan, S., and Kovacevic, R., “An Experimentally-based Thermo-kinetic Hardening Model for High Power Direct Diode Laser Cladding”, the Journal of Materials Processing Technology, DOI: 10.1016/j.matprotec.2011.02.006, Vol. 211 (2011) pp. 1247-1259
• Foroozmehr, E. and Kovacevic, R., “Modeling of the Effect of Path Planning on Thermo-Kinteic Evaluations in Laser Powder Deposition Process”, the Metallurgical and Materials Transactions A, Dec. 2010, DOI: 10.1007/s11661-010-0561-3, Vol. 42A, July 2011, pp. 1907-1918.
• Koike, M., Martinez, K., Guo, L., Chahine, G., Kovacevic, R., and Okabe, T., “Evaluation of Titanium Alloy Fabricated using Electron Beam Melting Sytsem for Dental Applications, the Journal of Materilas Processing Technology, 211(8): 1400-1408
• Ma, J., Kong, F., and Kovacevic, R., “Finite-Element Thermal Analysis of Laser Welding of Galvanized High-strength Steel in a Gap-Free Lap Joint Configuration and its Experiemntal Verification”, the Journal of Materials and Design, Nov. 26, 2011, doi:10.1016/j.matdes.2011.11.027

Conference Papers:

• Sarrafi, R., Asgharifar, M., and Kovacevic, R., “Surface Texturing of Metals by Cathodic Spots of Atmospheric Arc”, accepted for the ASME 2011 International Manufacturing Scienxce and Engineering Conference, MSEC2011, Paper # MSEC2011-50119, June 13-17, 2011, Corvallis, OR.
• Asgharifar, M., Kong, F., Carlson, B., and Kovacevic, R., “Studying Effect of Arc Discharge Surface Texturing on Stress Distribution in Adhesively Bonded Joints”, the ASME 2011 International Manufacturing Science and Engineering Conference, June 13-17, 2011, Corvallis, OR, paper #MSEC2011-50119
• Chahine, G., Ajlouni, K., Ajlouni, R., Smith, P., and Kovacevic, R., “Digital Engineering of Bio-Adaptable Dental Implants”, in the book Dental Implants, Edited by I. Turkyilmaz, InTech, Rijeka, Croatia, 2011, ISBN 978-953-307-658-4.
• Liu, S., Kong, F., and Kovacevic, R., “Numerical Analysis and Experimental verification of Temperature Field and Residual Stress in Laser Cladding with a Hollow Laser Beam”, Paper No. 64864, submitted for the IMECE2011.
• Prabu, B., Carlson, B., and Kovacevic, R., “An Investigation into the Laser Micro-Welding of Similar and Dissimilar Foils of Aluminum and Copper”, presented at the 2011 TMS Annual Meeting & Exhibition, Febr. 2011, san Diego, CA
• Asgharifar, M., Sarrafi, R., and Kovacevic, R., “Surface Treatment of Aluminum Alloys by Low Intensity Plasma Arc Discharge at Atmospheric Pressure”, presented at the 2011 TMS Annual Meeting & Exhibition, Sympoisum on Materials Processing Fundamentals, Febr. 2011, San Diego, CA
• Prabu, B., Leggett, P., Hamid, S., and Kovacevic, R., “Optimization of Laser Produced Hastelloy C-276 Clad Layers, presented at the 2011 TMS Annual Meeting & Exhibition, Febr. 2011, San Diego, CA.
• Davis, W., Hendow, S., and Kovacevic, R., “Sinusoidal Surface Texturing Using a Nanosecond Pulsed MOPA Fiber Laser”, Paper # 1208, the 30th International Congress on Applications of Lasers and Electro-optics (ICALEO), Oct. 23-27, 2011, Orlando, FL.
• Ray, P., Chahine, G., Smith., P., and Kovacevic, R., “Optimal Design of a Golf Club uisng Electron Beam Melting and Functionally Graded Porosity“, the 22 International SFF Symposium Symposium – An Additive Manufacturing Conference, Aug. 8-10, 2011, Austin, TX, Paper #
• Harooni, M., Carlson, B., Kong, F., and Kovacevic, R., “Laser Welding of Magnesium Alloy AZ31B for Lap Joint Configurtaion: Thermal Modeling and Experimental Study”, submitted for the ASME ICNMM 2012 Conference, Abstract # 58261
• Jamshidinia, M., Kong, F. and Kovacevic, R., “OffLine Parameters Optimization of Electron Beam melting of Ti-6Al-4V Components by Uisng Finite Element Thermal Modeling”, submitted for the ASME ICNMM 2012 Conference, Abstract #58257.
  
  
  2010
  
  Journal Papers:
• Sarrafi, R. and Kovacevic, R., “Cathodic Cleaning of Oxides from Aluminum Surfaces by Variable-
  Polarity Arc”, the Welding Journal, Vol. 89, January 2010, pp. 1-s to 10-s
• Kong, F. and Kovacevic, R., “3D Finite Element Modeling of the Thermally Induced Residual Stress
  in the Hybrid Laser/Arc Welding of Lap Joint”, the Journal of Materials Processing Technology, 210(2010) 941-950, on line: DOI: 10.1016/j.jmatprotec.2010.02.006,
• Dimitrovska, A. and Kovacevic, R., ”Environmental Influence on Sn Whisker Growth”,
  Accepted for the IEEE Transactions on Electronic Packaging Manufacturing,
• Foroozmehr, E. and Kovacevic, R., “Effect of Path Planning on the Laser Powder Deposition Process:
  Thermal and Structural Evaluation”, the International Journal of Advanced Manufacturing
  Technology, on line: DOI:10.1007/s00170-010-2659-6.
• Kong, F. and Kovacevic, R., “Modeling of Heat Transfer and Fluid Flow in the Laser Multilayered
  Cladding of H13 Tool Steel”, the Metallurgical and Materials Transactions B, On line DOI:10.1007/s11663-010-9412-2, Vol. 41, Issue 6 (2010), pp. 1310. 
• Khoujan, N., Chu, T., Chahine, G., Kovacevic, R., Koike, M., and Okabe, T., “In-vivo Evaluation of Novel Custom-made Press-fit Implants”, the Journal of Dental Research, 89, (Spec. Issue B), 1662, 2010
• Joshi, G., Duan, Y., Neidigh, J., Griggs, J., Koike, M., Okabe, T., Chahine, G., and Kovacevic, R., “Fatigue Testing of Electron Beam Melted Ti6Al4V ELI Alloy”, the Journal of Dental Research, 89, (Special Issue B), 213, 2010.  
• Khouja, N., Chu, T., Chahine, G., Kovacevic, R., Koike, M., and Okabe, T., “In-vivo Evaluation of Novel Experimental implants”, the Journal of Dental Research, 89 (Special issue A), 1103, 2010.

Conference Papers:

• Dimitrovska, A. and Kovacevic, R., “Polycrystalline Sn Whisker Growth”, presented at the 2010
  TMS Annual Meeting & Exhibition, Symposium on “Pb-free Solders and Emerging Interconnect
  and Packaging Technologies, Febr. 14-18, 2010, Seattle, WA.
• Santhanakrishnan, S., Kong, F., and Kovacevic, R., “A Thermo-kinetic Model and Experimental Analysis of Multiple Passes Laser Phase Transformation Hardening by Uisng High-power Direct Diode Laser”, presented at the TMS Annual Meeting & Exhibition, Febr. 14-18, 2010, Seattle, WA.
• Khouja, N., Chu, T., Chahine, G., Kovacevic, R., Koike, M., and Okabe, T., “In Vivo Evaluation of
  Novel Custom-made Press-fit Implants”, Abstract #132871 submitted for the International Association
  For Dental Research (IADR) General Session, July 14-17, 2010, Barcelona, Spain
• Joshi, G., Duan, Y., Neidigh, J., Griggs, J., Koike, M., Okabe, T., Chahine, G., and Kovacevic, R., “Fatigue Testing of Electron Beam Melted Ti-6Al-4V Alloy”, Abstract #134880, submitted for the International Association for Dental Research (IADR) General Session, July 14-17, 2010, Barcelona, Spain.
• Kovacevic, R. and Kong, F., “Overview of R&D Work on Laser Applications in Materials Processing at SMU”, submitted for the MS&T 2010 Conference and Exposition, the Laser Applications in Materialss Processing Symposium, Oct. 17-21, 2010, Houston, TX.
• Kovacevic, R., Soundararajan, V., and Atharifar, H., “10 Yaers of R&D Work on Friction Stir Welding at SMU”, submitted for the MS&T 2010 Conference and Exposition, the Laser Applications in Materialss Processing Symposium, Oct. 17-21, 2010, Houston, TX.
• Chahine, G., Kovacevic, R., and Smith, P., “Bio-adaptable Dental Implant”, accepted for the Proc. of 2010 International Symposium on Flexible Automation, Tokyo, Japan, July 12-14, 2010.
• Chahine, G., Smith, P., and Kovacevic, R., “Application of Structural Optimization in Modern Rapid Manufacturing”, the 21st International SFF Symposium Symposium – An Additive Manufacturing Conference, Aug. 9-11, 2010, Austin, TX, No. of paper #106
• Yang, Sh., and Kovacevic, R., , “Hybrid Laser-GMAW Welding of High-strength Quenched and Tempered Steels”, submitted for the Internnational Conference on Power Beam Processing Technology”, Oct. 2010, Beijing, China.
• Yang, Sh., Carson, B., and Kovacevic, R., “Welding of Galvanized High-strength Steels in a Gap-free Lap Joint Configuration by High-power Fiber Laser”, accepted for the presentation at the 63rd Annual Assembly & International Conference of the International Institute of Welding-IIW, July 11-16, 2010, Istanbul, Turkey.
• Santhanakrishnan, S. , Kong, F., and Kovacevic, R., “Process Parameters Analysis of High Power Direct Diode Laser Cladding”, Paper # 1103, the 29th International Congress on Applications of Lasers and Electro-optics (ICALEO), Spt. 26-30, 2010, Anaheim, CA, ICALEO 2010 Congress Proc., Vol. 103, 2010, pp. 398-407
• Santhanakrishnan, S. , Kong, F., and Kovacevic, R., “A Thermo-kinetic Phase Transformation Model for Multi-pass Laser Heat treatment by using High Power direct Diode Laser ”, Paper # 1701, the 29th International Congress on Applications of Lasers and Electro-optics (ICALEO), Spt. 26-30, 2010, Anaheim, CA, ICALEO 2010 Congress Proc., Vol. 103, pp. 573-582
• Gadag, Sh., and Kovacevci, R., “Multi-wavelength Micromachining of Silicon and Glass by Q- switched Short Pulsed Lasers”, Paper #M703, the 29th International Congress on Applications of Lasers and Electro-optics (ICALEO), Spt. 26-30, 2010, Anaheim, CA, ICALEO 20101 Congress Proc., Vol 103, pp. 976-983
• Yang, S., Sarrafi, R., and Kovacevic, R., “Hybrid 4 kW Fiber Laser-GMAW Welding of Half-inch Mild Steel”, Paper#168, the 29th International Congress on Applications of Lasers and Electro-optics (ICALEO), Spt. 26-30, 2010, Anaheim, CA, ICALEO 2010 Congress Proceedings, Vol. 103, 2010, pp. 1463-1468.
• Yang, S., carlson, B., and Kovacevic, R., “Laser Keyhole Welding of galvanized High-strength Steel in a Gap-free lap Joint Configuration”, Paper #167, , the 29th International Congress on Applications of Lasers and Electro-optics (ICALEO), Spt. 26-30, 2010, Anaheim, CA, ICALEO 2010 Congress Proc., Vol. 103, pp. 1456-1462. 
• Prabu, B., Sarrafi, R., and Kovacevic, R., “Feasibility Study of Micro Welding of Aluminum and Copper Foils Using New Generation of Lasers”, the MS&T 2010 Conference and Exposition, the Laser Applications in Materialss Processing Symposium, Oct. 17-21, 2010, Houston, TX.

2009

Journal Papers:

• Sarrafi, R., Lin, D., and Kovacevic, R., “Real-time Observation of Cathodic Cleaning during
  Variable-polarity Gas Tungsten Arc Welding of Aluminum Alloys”, the Proceedings of Institution of Mechanical Engineers, Vol. 223, Part B, Journal of Engineering Manufacture, pp. . DOI: 10.1243/09544054JEM1355
• Huang, W. and Kovacevic, R., “Feasibility Study of Using Acoustic Signal for On-line Monitoring the Depth of Weld in Laser Welding of High-strength Steel”, the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 223, pp. 343-361, 2009
• Huang, W. and Kovacevic, R., “A Neural Network and Multiple Regression Method for the Characterization of the Depth of Weld in Laser Welding based on Acoustic Signatures”, the Journal of Intelligent Manufacturing, Springer, published on-line May 12, 2009, DOI 10.1007s10845-009-0267-9
• Yang, Sh. and Kovacevic, R., “Welding of Galvanized Steels in a Gap-free Lap Joint Configuration “,
  the Welding Journal, August 2009, Vol. 88, pp. 168-178.
• Foroozmehr, E. and Kovacevic, R., “Thermo-Kinetic Modeling of Phase Transformation in Laser Powder Deposition”, the Metallurgical and Materials Transactions A, published on-line June 24, 2009, DOI: 10.1007/s11661-009-9870-9
• Dimitrovska, A. and Kovacevic, R., ”The Effect of Micro-alloying of Tin Plating on Mitigation of Tin
  Whiskers Growth”, the Journal of Electronic Materials, Vol. 38, No. 12, 2009, pp. 2726-2734 DOI:10.1007/s11664-009-0915-z, Published on-line: August 18, 2009,
• Atharifar, H., Lin, D. and Kovacevic, R., “Numerical Simulation and Experimental Investigations on
  the Loads Carried by the Tool During Friction Stir Welding”, the Journal of Materials Engineering and Performance, Vol. 18(4), June 2009, pp. 339-350.
• Kong, F., Santhanakrishnan, S., Lin, D., and Kovacevic, R., ”Thermal-microstructure Modeling of
  Temeprature Field and Grain Growth of a Dual-Phase Steel DP980 in Direct Diode Laser Heat Treatment”, the Journal of Materials Processing Technology, 209 (2009), pp. 5996-6003. or online: doi: 10.1016/j.matprotec.2009.07.020
• Dimitrovska, A. and Kovacevic, R., ”Mitigation of Tin Whiskers Growth by Applying Multiple Ni/Sn Plating Prior to the Final Sn Finish”, the Journal of Electronic Materials, Vol.38, No. 12, 2009, pp. 2516 – 2524, DOI: 10.1007/s11664-009-0930-0
• Foroozmehr, E., Lin, D., and Kovacevic, R., “Application of Vibration in the Laser Powder Deposition Process”, the Journal of Manufacturing Processes, 11(2009) pp. 38-44
• Yang, Sh. and Kovacevic, R., “Laser Welding of Galvanized Dual-Phase 980 Steel Assisted by the
  GTAW Preheating in a gap-free Lap Joint Configuration ”, the Journal of Laser Applications, Vol.
  21, No. 3, 2009

Conference Papers:

• Koike, M., Chahine, G., Kovacevic, R., and Okabe, T., “Feasibility of Fabricating Root-form Implants
  by Electron Beam Melting”, Proc. of the 2009 TMS Annual Meeting & Exhibition, Symposium on
  Biological Materials Science, San Francisco, CA, Febr. 14-19, 2009.
• Dimitrovska, A., Lin, D., and Kovacevic, R., ”Mitigation of Tin-whiskers Growth by Applying Multiple Ni-Sn Plating Prior to the Final Tin Finish”, Proc. of the 2009 TMS Annual Meeting and Exhibition, Symposium on Pb-free Solders and Emerging Interconnect and Packaging Technologies, San Francisco, CA, Febr. 14-19, 2009.
• Huang. W. and Kovacevic, R., “Monitoring of Spatters by Using Microphone During Gas Tungsten Arc Welding of Galvanized High-Strength Steel DP980”, Proc. of the 2009 TMS Annual Meeting and Exhibition, Materials Processing and Manufacturing Division, San Francisco, CA, Febr. 14-19, 2009.
• Young, Sh., and Kovacevic, R., “GTAW-assisted Laser Welding of Galvanized high-strength Steel in
  Gap-free Lap Joint Configuration”, Proc. of the 2009 TMS Annual Meeting and Exhibition, Materials Processing and Manufacturing Division, San Francisco, CA, Febr. 14-19, 2009.
• Young, Sh., Kovacevic, R., “Hybrid Laser-arc Welding of Galvanized DP 980 Steel in Gap-free Lap Joint Configuration“, Proc. of the 2009 TMS Annual Meeting and Exhibition, Materials Processing and Manufacturing Division, San Francisco, CA, Febr. 14-19, 2009.
• Sarrafi, R. and Kovacevic, R., “Surface Treatment by Variable-polarity Arc to Promote the Energy
  Absorption in Laser Welding of Aluminum Alloys”, Proc. of the 2009 TMS Annual Meeting and
  Exhibition, Materials Processing and Manufacturing Division”, San Francisco, CA, Febr. 14-19, 2009.
• Santhanakrishnan, S., Lin, D., and Kovacevic, R., “Surface Modification of Tool Steel AISI S7 by Using High-power Direct Diode Laser”, Proc. of the 2009 TMS Annual Meeting and Exhibition, Materials Processing and Manufacturing Division, San Francisco, CA, Febr. 14-19, 2009.
• Huang, W., Yang, Sh., Lin, D., and Kovacevic, R., ”Real-time Monitoring of the Weld Penetration State in Laser Welding of High-strength Steels by Airborne Acoustic Signal,” Proc. of the ASME Turbo Expo 2009, June 8-12, 2009, Orlando, FL.
• Dimitrovska, A., Lin, D., and Kovacevic, R., ”Mitigation of Tin Whiskers Growth by Micro-alloying of Tin Plating”, Proc. of the 2009 TMS Annual Meeting and Exhibition, Symposium on Pb-free Solders and Emerging Interconnect and Packaging Technologies, San Francisco, CA, Febr. 14-19, 2009.
• Foroozmehr, E. Kong, F., and Kovacevic, R., “An Investigation on the Effect of Path Planning on Residual Stress Distribution in Laser Powder Deposition Process”, presented at the ECTC 2009,
  Arlington, TX, April 17-19, 2009
• Kong, F. and Kovacevic, R., “3S Nonlinear Thermo-Mechanical Analysis in the Laser-GTAW hybrid
  Welding of Lap Joint ”, Proc. of the 2009 ASME International Manufacturing Science and Engineering Conference, Oct. 4-7, 2009, West Lafayette, IN (MSEC2009-84011)
• Kong, F. and Kovacevic, R., “Modeling of Transport Phenomena in the Laser Multilayered Cladding”, Proc. of the 2009 ASME International Manufacturing Science and Engineering Conference, Oct. 4-7,
  2009, West Lafayette, IN (MSEC2009-84010)
• Kovacevic, R., Chahine, G., and Okabe, T., “New Design and Production of Customized Dental Implants”, presented at the SME RAPID 2009, May 12 – 14, 2009, Schaumburg, IL
• Foroozmehr, E. and Kovacevic, R., “Modeling of the Effect of Path Planning on Deposition of Metal-
  Ceramic Composite with Laser Powder Deposition Process”, Proc. of the 2009 ASME International
  Manufacturing Science and Engineering Conference, Oct. 4-7, 2009, West Lafayette, IN (MSEC2009-
  84054)
• Huang, W. and Kovacevic, R., “Noise Reduction during Acoustic Monitoring of Laser Welding of High-strength Steels”, Proc. of the 2009 ASME International Manufacturing Science and Engineering Conference, Oct. 4-7, 2009, West Lafayette, (MSEC2009-84080)
• Martinez, M.K., Koike, M., Chahine, G., Kovacevic, R., and Okabe, T., “Grindability of Ti6Al4V Fabricated by Electron Beam Melting”, presented at the IADR 87th General Session & Exhibition, Miami, FL, April 1-4, 2009, J. Dent. Res 88 (Special Issue A), No. 306, 2009
• Koike, M., Martinez, M.K., Guo, Q., Chahine, G., Kovacevic, R., and Okabe, T., “Mechanical Properties of Titanium Alloys Fabricated by Electron Beam Melting”, presented at the IADR 87th General Session & Exhibition, Miami, FL, April 1-4, 2009, J. Dent. Res 88 (Special Issue A), No. 307, 2009
• Okabe, T., Koike, M., Chahine, G., and Kovacevic, R., “Biomimetic Titanium Implants by Selective
  Electron Beam Melting, Keynote Address at the IADR 87th General Session & Exhibition, Miami, FL,
  April 1-4, 2009, J. Dent. Res 88 (Special Issue A), No. 325, 2009
• Yang, Sh. and Kovacevic, R., “Dynamic Simulation of Temperature Field in Hybrid Laser-GTAW Welding of Galvanized Steels in a Gap-free Lap Joint Configuration”, Proc. of the 2009 ASME International Manufacturing Science and Engineering Conference, Oct. 4-7, 2009, West Lafayette, IN, MSEC2009-84184.
• Santhanakrishnan, S., Kong, F., Kovacevic, R., “A Three-Dimensional Modeling and Experimental
  Analysis of Laser Transformation Hardening by Uinsg High power Direct Diode Laser,” Proc. of the
  2009 ASME International Manufacturing Science and Engineering Conference, Oct. 4-7, 2009, West
  Lafayette, IN, MSEC2009-84152.
• Foroozmehr, E. and Kovacevic, R., “Effect of Path Planning on Residual Stress Distribution in Laser Powder Deposition Process”, the Proc. of the 28th Intrenational Congress on Applications of Laser & Electro-Optics (ICALEO), Nov. 2-5, 2009, Orlando, FL.
• Chahine, G. and Kovacevic, R., “Design and Production Development of Customized Dental Implants
  via Electron Beam Melting”, presented at the International Solid Freeform Fabrication Symposium,
  August 3-5, 2009, Austin, TX
• Foroozmehr, E., Kong, F., and Kovacevic, R., “Synthesizing of Functionally Graded Slury Erosion
  Resistant Materials by Laser Powder Deposition Process”, presented at the International Solid Freeform Fabrication Symposium, August 3-5, 2009, Austin, TX.
• Gadag, Sh., Foroozmehr, E., Soundarapandian, S., Chahine, G., Kovacevic, R., “Laser Processing of Prepalced Hydroxyapatite on Electron Beam Melted Titanium Alloy”, paper #M504, the Proc. of the 28th Intrenational Congress on Applications of Laser & Electro-Optics (ICALEO), Nov. 2-5, 2009, Orlando, FL.
• Yang, Sh., Sarrafi, R., and Kovacevic, R., “Monitoring of Hybrid Laser-arc Welding of galvanized Steels in a Gap-free Lap Joint Configuration with a High-speed Camera”, the Proc. of the 28th Intrenational Congress on Applications of Laser & Electro-Optics, Nov. 2-5, 2009, Orlando, FL.

2008

Journal Papers:

• Yarrapareddy, E. and Kovacevic, R., “Synthesis and Characterization of Laser-based Direct Metal
  Deposited Nano-particles Reinforced Surface Coatings for Industrial Slurry Erosion Applications”, the Surface and Coating Technology, 202 (2008) 1951-1965.
• Lin, D., Kovacevic, R., Srivatsan, T.S., and Wang, G.X., “A Study Aimed at Characterizing the
  Interfacial Structure in a Tin-Silver Solder on Nickel-coated Copper Plate During Aging”,
  Sadhana, Vol. 33, Part 3, June 2008, pp. 251-259, Printed in India.
• Kovacevic, R. and Smith, P., “A New Capability for Advanced Precision Manufacturing – Freeform Printing in Three Dimensions”, AMMTIAC (DoD Information Analysis Center sponsored by the Defense Technical Information Center), Quarterly, Vol. 3, No. 2, 2008
• Chahine, G., Koike, M., Okabe, T., Smith, P., and Kovacevic, R., “New Design and Production of
  Ti-6Al-4V ELI Customized Dental Implants”, November 2008, the Journal of the Minerals,
  Metals & Materials Society (JOM), Vol. 60, issue 11, pp. 50-55.

Conference Papers:

• H. Atharifar, D. Lin, and R. Kovacevic, "Friction stir spot welding of aluminum alloys - process parameters optimization using GONNS", presentated at the 19th AeroMat Conf. & Expo, June 23-26, 2008, Austin, TX.
• E. Yarrapareddy, P. Smith, and R. Kovacevic, “Development of Slurry Erosion Resistant Materials by Laser Cladding”, presented at the 19th AeroMat Conf. & Expo, ID#19307, June 23-26, 2008, Austin, TX
• D. Lin, F. Zamora, and R. Kovacevic, ”Feasibility Study of Paint Removal from Aircraft Skin by Direct Diode Laser Beam”, presented at the 19th AeroMat Conf. & Expo, June 23-26, 2008, Austin, TX
• D. Lin, Sh. Yang, W. Huang, F. Kong, and R. Kovacevic, ”Development of Hybrid Laser/TIG Welding Process for Gap-free Galvanized Steel DP980 at Lap Joint Configuration”, presented at the 19th AeroMat Conf. & Expo, June 23-26, 2008, Austin, TX
• D. Lin, Sh. Yang, F. Kong, and R. Kovacevic, ”Laser Welding of Advanced High Strength Steel DP980 and Joint Property Restoration by Heat Treatment”, presented at the 19th AeroMat Conf. & Expo, June 23-26, 2008, Austin, TX
• R. Sarrafi, D. Lin, and R. Kovacevic, “Significance of the Reverse Polarity in the Repair of Aluminum Alloy Al 6061-T651 Components Uisng Variable Polarity Gas Tungsten Arc Welding Process”, Proc. (CD) of the Conference of Metallurgists (COM) 2008 Winnipeg, Canadian Conference on Metallurgists, Winnipeg, Manitoba, Canada, August 24-27, 2008.
• F. Kong, D. Lin, Sh. Yang, and R. Kovacevic, “Numerical Analysis of a Hybrid Laser-arc Welding Process by Using 3D Nonlinear Finite Element Model”, Proc. (CD) of the COM 2008 Winnipeg, Canadian Conference on Metallurgists, Winnipeg, Manitoba, Canada, August 24-27, 2008.
• Sh. Yang, D. Lin, F. Kong, and R. Kovacevic, ”Study on the Formation of Blowholes and Molten Pool Behavior in Laser Welding of Galvanized Steels in Lap Configuration by Infrared Machine Vision”, Proc. (CD) of the COM 2008 Winnipeg, Canadian Conference on Metallurgists, Winnipeg, Manitoba, Canada, August 24-27, 2008.
• Sarrafi, R., Lin, D., Levert, E., and Kovacevic, R., “Feasibility Study of the Repair of Aluminum Components by Variable Polarity GTAW Cladding”, Proc. (CD) of the Materials Science and Technology 2008 Conference, MS&T 2008, Oct. 5-9, 2008, Pittsburg, PA
• Dwivedi, R., and Kovacevic, R., “A Method to Control Energy Input in Solid Freeform Fabrication by Defining the Characteristic Length of Torch Movement”, Proc. (CD) of the Symposium on Solid Freeform Fabrication, Austin, TX, August 4-6, 2008.
• Foroozmehr, E., Sarrafi, R., Lin, D., and Kovacevic, R., ”Feasibility Study of Vibration –assisted Laser Powder Deposition”, Proc. (CD) of the Materials Science and Technology 2008 Conference, MS&T 2008, Oct. 5-9, 2008, Pittsburg, PA
• Lin, D., Yang, Sh., Kong, F., Huang, W., Roukolainen, R., Crlson, B., and Kovacevic, R., ”Laser- Arc Hybrid Welding of Galvanized Steel in a Zero-gap Lap-Joint Configuration”, Proc. (CD) of the International Automotive Body Congress, Nov. 5-6, 2008, Troy, MI.
• Yang., Sh., Huang, W., Lin, D., and Kovacevic, R., ”Monitoring of Sputter Formation in Laser Welding of Galvanized Steels in Lap Joint Configuration by the Measurement by Acoustic Emission”, Proc. (CD) of the 2008 International Manufacturing Science and Engineering Conference (MSEC 2008), Oct. 7-10, 2008, Evanston, IL.
• Foroozmehr E., Hamid, S. and Kovacevic, R., “Mitigation of Porosity in Laser Powder Deposition Under Vibratory Condition”, the Proc. of the ICALEO2008, Oct. 20-23, 2008, Temecula, CA

2007

Journal Papers:

• Zekovic, S., Dwivedi, R., and Kovacevic, R., “Numerical Simulation of Gas-powder Flow from Radially Symmetrical Nozzles in Laser-based Direct Metal Deposition”, the International Journal of Machine Tools and Manufacture, 47 (2007) 112 – 123.
• Jiang, W.H. and Kovacevic, R., “Laser Deposited TiC/H13 Tool Steel Composite Coatings and their Erosion Resistance”, the Journal of Materials Processing Technology, 186 (2007), pp. 331-338.
• Dwivedi, R., Zekovic, S., and Kovacevic, R., “A Novel Approach to Fabricate Uni-Directional and Branching Slender Structures Using Laser-based Direct Metal Deposition”, the International Journal of Machine Tools and Manufature, 47(2007), pp. 1246-1256.
• Soundararajan, V., Yarrapareddy, E., and Kovacevic, R., “Investigation of the Friction Stir Welding of Aluminum Alloys AA 5182 and AA 6022”, the Journal of Materials Engineering and Performance, Vol. 16(4), August 2007, pp. 477-484.
• D.C. Lin, R. Kovacevic, Wang, G.X., Srivatsan, T.S., ”The influence of nano-particles on microstructural development at the interface of Sn3.5Ag-solder and Cu-substarte” the International Journal of Nanomanufacturing, Vol. 1, no. 3, 2007, pp. 357-369.
• Fan, H. and Kovacevic, R., “The Front Line of Modeling Heat and Mass Transfer in Arc Welding Processes”, the Journal of Welding Science, 76-2(2007), pp. 82-89.
• D. C. Lin, R. Kovacevic, Wang, G.X., Srivatsan, T.S.., “Understanding the Influence of Copper
  Nanoparticles on Thermal Characteristics and Microstructural Development of a Tin-Silver Solder,” the Journal of Materials Engineering and Performance, Vol. 16(5), Oct. 2007, pp. 647-654.
• Yarrapareddy, E. and Kovacevic, R., “Numerical Simulation of Slurry Erosion of Laser Cladded Surfaces by Using Failure Analysis Approach”, Journal of Failure Analysis and Prevention, Vol. 7, Issue 6, Dec. 2007, pp. 464-474.

Conference Papers/Abstracts:

• Yarrapareddy, E. and Kovacevic, R., “Nano Materials System Development by Laser Based Direct Metal Deposition Process for Industrial Slurry Erosion Applications”, TMS 2007: Linking Science and Technology for Global Solutions, Febr. 25-March 1, 2007, Orlando, FL.
• Dwivedi, R. and Kovacevic, R., “Multi-fabrication as a Base of Rapid Manufacturing”, The 15th International Symposium on Electro-machining, April 23-27, 2007, Pittsburgh, PA.
• Atharifar, H., Lin, D., and Kovacevic, R., “Process Condition Monitoring Applicable for Friction Stir Welding of Steel to Aluminum Utilizing Acoustic Emission Technology”, 2007 GSRIC Proceedings ASME Gradute Student Research & Innovation Conference, Hosted by ASME District E, April 13 – 14, 2007, Tulsa, OK
• Atharifar, H., Lin, D., and Kovacevic, R., “Computational Study on the Qualitative Effect of Process Parameters on the Forces and Torque Applied to the Tool in Friction Stir Welding“, 2007 GSRIC Proceedings ASME Gradute Student Research & Innovation Conference, Hosted by ASME District E, April 13 – 14, 2007, Tulsa, OK
• Atharifar. H., Lin, D.C., and Kovacevic, R., “Studying Tunnel-like Defect in Friction Stir Welding Process Using Computational Fluid Dynamics”, Materials Science and Technology 2007 Conference and Exhibition, Sept. 16 – 20, 2007, COBO Center, Detroit, MI.
• Dwivedi, R., Zekovic, S., and Kovacevic, R., “Rapid Manufacturing of Functional Compnents by Laser-based Direct Metal Deposition”, The 60th Annual Assembly and Internatinal Conference, the International Institute of Welding, Dubrovnik, Croatia, July 1- 9, 2007.
• Atharifar, H. and Kovacevic, R., “Numerical Study of the Tool Rake Angle Effect on the Material Flow in Friction Stir Welding Process”, the 2007 ASME International Mechanical Engineering Congress, Nov. 12 – 15, 2007, Seattle, WA.

2006

Journal Papers:

• Ouyang, J.H., Yarrapareddy, E., and Kovacevic, R., “Microstructure Evaluation in the Friction Stir Welding of 6061-T6 Aluminum Alloy to Copper”, the Journal of Materials Processing Technology, 172 (2006), pp. 110 – 122.
• Saad, E., Wang, H., and Kovacevic, R., “Classification of Molten Pool Modes in Variable Polarity
  Plasma Arc Welding Based on Acoustic Signature”, the Journal of Materials Processing Technology, 174 (2006), 127 – 136.
• Lin, D.C., Srivatsan, T.S., Wang, G.X., and Kovacevic, R., “Microstructural Development of a Rapidly Cooled Eutactic Sn-3.5% Ag Solder Reinforced with Copper powder”, the Journal of Powder Technology, Vol. 166, Issue 1, August 3, 2006, pp. 38 – 46.
• Dwivedi, R. and Kovacevic, R., “An Expert System for Generation of Machine Inputs for Laser-based Multi-directional Metal Deposition”, the International Journal of Machine Tools and Manufacture, 46 (2006), pp. 1811-1932.
• Yarrapareddy, E., Zekovic, S., Hamid, S., and Kovacevic, R., “The Development of Ni-Tung Functionally Graded Materials by Laser-based Direct Metal Deposition Process for Industrial Slurry Erosion Applications”, the Proceedings of the Institution of Mechanical Engineers, Part B, the Journal of Engineering Manufacture, Vol. 220,(2006), pp. 1923-1936.
• Soundararajan, V., Atharifar, H., and Kovacevic, R., “Monitoring and Processing the Acoustic Emission Signals from Friction Stir Welding”, the Proceedings of the Institution of Mechanical Engineers, Part B, the Journal of Engineering Manufacture, Vol. 220, (2006) pp. 1673-1685.
• Dwivedi, R., Zekovic, S. and Kovacevic, R., “Field Feature Detection and Morphing Based Process Planning for Fabrication of Geometries and Composition Control for Functionally Graded Materials”, the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 220, (2006), pp. 1647-1661.
• Chen, C.M. and Kovacevic, R., “Parameteric Finite Element Analysis of Stress Evolution during Friction Stir Welding”, the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 220, (2006) pp. 1359-1371.
• Fan, H.G. and Kovacevic, R., “Three-Dimensional Model for Gas Tungsten Arc Welding with Filler Metal”, the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 220, (2006), pp.1107-1115

Conference Papers/Abstracts:

• Zekovic, S., Dwivedi, R., and Kovacevic, R., “Multi-fabrication System for Rapid  Manufacturing/Repair: Issues Related to Laser-based Direct Metal Deposition”, presented at the Indo-US Workshop on Rapid Manufacturing, April 17 – 19, 2006, Bangalore, India.
• Yarrapareddy, E., Hamid, S., and Kovacevic, R., “The Development of Ni-Tung Functionally Graded Materials Surface Coatings Built by Laser-based Direct Deposition Process for Industrial Slurry Erosion Applications”, presented at the MS&T 2006 Conference, Symposium on Tribological Contacts: Fundamental Issues and Practical Solutions, Proc. Title: Tribological Contacts: Fundamental Issues and Practical Solutions, Oct. 15 – 18, 2006, Cincinnati, OH
• Yarrapareddy, E., and Kovacevic, R., “Numerical Simulation and Experimental Validation of Surface Coating Built by Laser-based Direct Metal Deposition Process for Industrial Slurry Erosion Applications”, ”, presented at the MS&T 2006 Conference, Symposium on the Role of Computational Methods in Materials Research and Development, Proc. Title: The Role of Computational Methods in Materials Research and Development, Oct. 15 – 18, 2006, Cincinnati, OH
• Lin, D., Kovacevic, R., and Price, D., “Results of an Investigation of the Influence of Nickel Nanoparticles on the Thermal-Mechanical Properties of Lead-Free Sn3.5 Ag Solder”, presented at the 6th Raytheon Mechanics and Materials Engineering Technology Symposium, Sept. 12 – 14, 2006, Boston, MA.
• Lin, D., Kovacevic, R., and Price, D., “Proposed Experimental Study of the Use of Ni-nanoparticles, co-deposited with Tin Plating, to Block the Nucleation of Tin Whiskers”, presented at the 6th Raytheon Mechanics and Materials Engineering Technology Symposium, Sept. 12 – 14, 2006, Boston, MA.
• Soundararajan, V., Valant, M., and Kovacevic, R., “An Overview of R&D Work in Friction Stir Welding at SMU”, the 4th Balkan Conference on Metallurgy, September, 27 – 29, 2006, Zlatibor, Serbia.
• Kovacevic, R., “High-power Lasers in Advanced Manufacturing”, presented at the Global Alliance for Research and Education in Laser-aided Manufacturing (GARELAM), July 17 – 18, 2006, Washington, D.C.
• Dwivedi, R., Zekovic, S., and Kovacevic, R., “Modeling and Verification of Error Propagation in Integrated Additive/Subtractive Multi-Directional Direct Manufacturing”, the 17th SFF Symposium, Aug. 14-16, 2006, Austin, TX.
• Zekovic, S. Dwivedi, R., and Kovacevic, R., “An Investigation of Gas-powder Flow in Laser-based Direct Metal Deposition“, the 17th SFF Symposium, Aug. 14-16, 2006, Austin, TX.
• Zekovic, S., and Kovacevic, R., “Modeling of Laser-based Direct Metal Deposition”, Proizvodno Masinstvo, Kragujevac, Serbija, September 17 , 2006.
• Lin, D.C., Sruvatsan, T.S., Wang, G.X., and Kovacevic, R., “An Investigation of the Influence of Nickel Particles on Interfacial Morphology of Substrate-Solder Couple”, Processing and Fabrication of Advanced Materials, XV International Symposium, ASM International, Materials Park, OH, October 2006 (in press)
• Lin, D.C., Srivatsan, T.S., Wang, G.X., and Kovacevic, R., “On the Influence of Nickel Nanoparticle Addition on the Formation of Ag3Sn Phase in a Eutectic sn-3,5% Ag Solder,” Processing and Fabrication of Advanced Materials, XV International Symposium, ASM International, Materials Park, OH, September 2005, pp. 139-156.
• Soundararajan, V. and Kovacevic, R., “FSW of Steel to Al-alloy”, presented at the 6th International Friction Stir Welding Symposium at Saint-Sanver, Canada, Oct. 11 – 13, 2006.

2005

Journal Papers:

• Yao, L., Cheng, J., Rajurkar, K.P., Kovacevic, R., Feiner, S., and Zhang, W.., “Combined Research and Curriculum Development of Nontraditional Manufacturing”, the European Journal of Engineering Education, Vol. 30, No. 3, September 2005, 363-376
• Yao, Y.L., Cheng, J., Rajurkar, K.P., Kovacevic, R., Feiner, S., and Zhang, W., “A Web-based Curriculum Development on Nontraditional manufacturing with Interactive Features”, International Journal of Engineering, Vol. 21, No. 3, September 2005, pp. 546-554.
• Dwivedi, R. and Kovacevic, R., “Process Planning for Multi-Directional Laser-based Direct Metal Deposition”, the Proc. of the Institution of Mechanical Engineers, Part C, Journal of Mechanical Engineering Science, Vol. 219, 2005, pp. 695 – 707.
• Soundararajan, V., Zekovic, S., and Kovacevic, R., “Thermo-Mechanical Model with Adaptive Boundary Conditions for Friction Stir Welding of Al6061”, the International Journal of Machine Tools and Manufacture, Vol. 45, Issue 14, 2005, pp. 1577 – 1587.

Conference Papers/Abstracts:

• Soundararajan, V. and Kovacevic, R., “Finite Element Modeling of Heat Transfer in Friction Stir Welding with Proper Boundary Conditions”, presented at the AWS Convention, Dallas, TX, April 25 – 28, 2005. (Abstract)
• Chen, Ch., Groothuis, S., and Kovacevic, R., “Parametric Study of Dynamic Behavior for FBGA Solder Joints in Board Level Drop Testing Simulation”, presented at the 55th Electronic Components and Technology Conference, May 31 – June 3, 2005, Lake Buene Vista, FL.
• Valant. M.,Yarrapareddy, E., and Kovacevic, R., “A Novel Tool Desgn for Friction Stir Spot Welding”, presented at the 7th International Trends in Welding Research Conference, Pine Mountain, GA, May 2005.
• Yarrapareddy, E., Carbone, F., Valant, M., and Kovacevic, R., “Mechanical and Microstructural Characterization of Inconel 718 Direct Metal Deposition by Electron Beam”, presenetd at the 2005 SAMPE Symposium and Exhibition, May 1-5, 2005, Long Beach, CA.
• Karunakaran, K.P., Pushpa, V., Akula, S.B., Dwivedi, R., and Kovacevic, R., “Thermo-economical Analysis of Hybrid Layered Manufacturing”, Proc. of the Solid Freeform Fabrication Symposium, Aug. 1 – 3, 2005, Austin, TX
• Karunakaran, K.P., Solanki, P.D., Sahasrabudhe, O.S., Pushpa, V., Dwivedi, R., and Kovacevic, R., “Simplified Production of Large Prototypes Using Visible Slicing”, Proc. of the Solid Freeform Fabrication Symposium, Aug. 1 – 3, 2005, Austin, TX.
• Zekovic, S., Dwivedi, R., and Kovacevic, R., “ Thermo-mechanical Finite Element Analysis of Direct Laser Metal Deposited Thin-Walled Structures”, Proc. of the Solid Freeform Fabrication Symposium, Aug. 1 – 3, 2005, Austin, TX
• Dwivedi, R., Zekovic, S., and Kovacevic, R., “Mechanism for Determination of G-factors for Solid Freeform Fabrication Techniques Involving Solid Freeform Fabrication Based on Large Heat Input”, Proc. of the Solid Freeform Fabrication Symposium, Aug. 1 – 3, 2005, Austin, TX
• Dwivedi, R., Zekovic, S., and Kovacevic, R., “A Model for Error Propagation in the Surface Profile for Solid Freeform Fabrication”,Proc. of the Solid Freeform Fabrication Symposium, Aug. 1 – 3, 2005, Austin, TX
• Lin, D.C., Srivatsan, T.S., Wang, G.X., and Kovacevic, R., “On the Influence of Nickel Nanoparticle Addition on the Formation of Ag3Sn Phase in a Eutectic Sn3.5Ag Solder”, Proc. of the XIV Processing and Fabrication of Advanced Materials, 2005, in press.
• Zekovic, S., Dwivedi, R. and Kovacevic, R., “Numerical Simulation of Gas-powder Flow from Radially symmetric Nozzles in Laser-based direct Metal deposition”, University of Montenegro, Podgorica, SCG, November 2005.

2004

Journal Papers:

• Hassan, A., Chen, Ch., and Kovacevic, R., “On-Line Monitoring of Depth of Cut in AWJ Cutting”,
  the International Journal of Machine Tools and Manufacture, Vol. 44 (6), 2004, pp. 595-605.
• Song, M. and Kovacevic, R., “A Coupled Heat-Transfer Model for Workpiece and Tool in Friction Stir Welding”, the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineerng Manufacture, Vol. 218, 2004, pp. 17 – 33.
• Wang, H., Jiang, W., Ouyang, J., and Kovacevic, R., “Rapid Prototyping of Parts of 4043 Al-Alloy by
  VP-GTAW”, the Journal of Materials Processing Technology, Vol. 148, Issue 1, 2004, pp. 93-102.
• Chen, Ch., and Kovacevic, R., “Thermomechanical Modeling and Force Analysis of Friction Stir Welding by Finite Element Method”, the Proceedings of the Institution of Mechanical Engineers, Part C, Journal of Mechanical Engineering Science, Vol. 218, 2004, pp.509-519.
• Jandric, Z., Labudovic, M., and Kovacevic, R., “Effect of Heat Sink on Quality of Three-Dimensional
  Parts Built by Welding-Based Deposition”, the International Journal of Machine Tools and Manufacture, 44 (2004), pp. 785-796.
• Chen, Ch. and Kovacevic, R., “Joining of Al6061 Alloy to AISI 1018 Steel by Combining Effects of
  Fusion and Solid State Welding”, the International Journal of Machine Tools and Manufacture, Vol. 44, Issue 11, Sept. 2004, pp. 1205-1214.
• Jandric, Z. and Kovacevic, R., “Heat Management in Solid Freeform Fabrication Based on Deposition by Welding”, the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineerng Manufacture, Vol. 218, 2004, pp. 1525 – 1540.
• Fan, H.G. and Kovacevic, R., “A Unified Model of Transport Phenomena in Gas Metal Arc Welding
  Including Electrode, Arc Plasma and Molten Pool”, the Journal of Physics D: Applied Physics, 37 (2004) 2531-2544.
• Jiang, W.H., and Kovacevic, R., “Feasibility Study of Friction Stir Welding of Al6061-T6 Alloy with AISI 1018 Steel”, the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 218, No. 10, October 2004, pp. 1323-1331.
• Jinag, W.H. and Kovacevic, R., “Slurry Erosion Resistance of Laser-clad Fe-Cr-B-Si Coatings”, the Surface Engineering, 2004, Vol. 20, No. 6, pp.
• Dwivedi, R. and Kovacevic, R., “Automated Torch Path Planning Using Polygon Subdivision for Solid Freeform Fabrication Based on Welding “, the SME's Journal of Manufacturing Systems, Vol. 23, No. 4, 2004, pp. 278 – 291.

Conference Proceedings:

• Kovacevic, R., “Hybrid Rapid Manufacturing/Repair System “MultiFab”, presented at the 2004
  NCMS CTMA Symposium, March 29 – Apr. 1, 2004, Atlanta, GA..
• Kovacevic, R., “Friction Stir Welding of Dissimilar Materials (Fe-Al)”, presented at the 2004 NCMS
  CTMA Symposium, March 29 – Apr. 1, 2004, Atlanta, GA.
• Kovacevic, R., “Features of Newly Developed Multi-Functional Equipment for Rapid Manufacturing and Repair”, presented at the SAE 2004 Aerospace Manufacturing & Automated Fastening Conference and Exhibition, September 21 – 22, 2004, St. Louis, MS.
• Dwivedi, R. and Kovacevic, R., “Morphing Based Approach for Process Planning for Fabrication of Geometries and the Control of Material Composition”, Proc. of the Solid Freeform Fabrication Symposium, The University of Austin, August 2 – 4, 2004, Austin, TX.

2003

Journal Papers:

• Hu, D. and Kovacevic, R., “Sensing, Modeling and Control for Laser-Based Additive Manufacturing”,
  the International Journal of Machine Tools and Manufacture, (43) 2003, pp. 51-60.
• Song, M., Ouyang, J.H., and Kovacevic, R., “Numerical and Experimental Study of Heat Transfer
  During Friction Stir Welding of Aluminum Alloy 6061-T6”, the Proc. of the Inst. of Mech. Engs., Part B, Journal of Engineering Manufacture, Vol. 217, 2003, pp. 73-85.
• Labudovic, M., Hu, D., and Kovacevic, R., “A Three Dimensional Model for Direct Laser Metal Powder Deposition and Rapid Prototyping”, the Journal of Materials Science, 38(2003), pp. 35-49.
• Song, M. and Kovacevic, R., “A Heat Transfer Model for Friction Stir Welding in a Moving Coordinate System and Its Validation”, the International Journal of Machine Tools and Manufacture, Vol. 43/6, 2003, pp. 605-615.
• Hu, D. and Kovacevic, R., “Modeling and Measuring Thermal Behavior of Molten Pool in Closed- Loop Controlled Laser-Based Manufacturing”, the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 217, No. B4, 2003, pp. 441-452.
• Li, C.F., Johnson, D., and Kovacevic, R., “Modeling of Waterjet Guided Laser Grooving of Silicon”,
  the International Journal of Machine Tools and Manufacture, Vol. 43/9, 2003, pp. 925-936.
• Li, C.F., Johnson, D., and Kovacevic, R., “Modeling of Heat Transfer in Water Jet Guided Laser Drilling of Silicon” the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol.217, 2003, pp.583-600,
• Momber, A.W. and Kovacevic, R., “Hydro-Abrasive Erosion of Refractory Ceramics”, the Journal of Materials Science, 38(2003), pp. 2861-2874.
• Chen, Ch., Kovacevic, R., and Jandric, D., “Wavelet Transform Analysis of Acoustic Emission Generated During Friction Stir Welding of 6061 Aluminum”, the International Journal on Machine Tools and Manufacture, Vol. 43, No. 13, Oct. 2003, pp. 1383-1390
• Chen, Ch., and Kovacevic, R., “Finite Element Modeling of Friction Stir Welding – Thermal and Thermo-Mechanical Analysis”, the International Journal of Machine Tools and Manufacture, Vol. 43, No. 13, Oct. 2003, pp. 1319-1326.
• Wang, H., Jiang, W.H., Valant, M., and Kovacevic, R., “Micro-Plasma Powder Deposition as a New Solid Freeform Fabrication Process”, the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineerng Manufacture, Vol. 217, 2003, pp. 1641-1650.

Conference Proceedings:

• Wang, H. and Kovacevic, R., “A Novel Welding-Based Solid Freeform Fabrication Technology For Aluminum Alloys”, Abstracts of the 84th Annual AWS Convention, Detroit, MI, April 8-10, 2003.
• Jandric, Z. and Kovacevic, R., “Properties of 3D Parts Built by Rapid Manufacturing Based on GTAW “, Abstracts of the 84th Annual AWS Convention, Detroit, MI, April 8-10, 2003.
• Song, M. and Kovacevic, R., “Coupled Heat Transfer Model of Tool and Workpiece in Friction Stir Welding”, Presented at the 4th International Symposium on Friction Stir Welding, May 14-16, 2003, Park City, UT
• Jandric, D., Chen, C., Valant, M., and Kovacevic, R., “Characterization of Weld Quality in Friction
  Welding of Lap Joints”, Presented at the 4th International Symposium on Friction Stir Welding, May 14-16, 2003, Park City, UT
• Chen, C., Jandric,D., and Kovacevic, R., “Tool Wear Monitoring and Its Effect on FSW Quality”, Proc. of the 4th International Symposium on Friction Stir Welding, May 14-16, 2003, Park City, UT
• Chen, C. and Kovacevic, R., “Three-Dimensional Thermomechanical Modeling and Clamping Force Analysis of Friction Stir Welding”, Proc. of the 4th International Symposium on Friction Stir Welding, May 14-16, 2003, Park City, UT
• Dwivedi, R., Jandric, Z., and Kovacevic, R., “Torch Path Planning for Solid Freeform Fabrication Based on Welding”, Transactions of the North American Manufacturing Research Institution of SME, Vol XXXI, 2003, pp, 419-426, also as SME Technical Paper, MS03-197, 2003.
• Jandric, Z., Dwivedi, R., and Kovacevic, R., “A New Approach and Algorithm for Obtaining Size of
  Molten Pool,” Proc. of the 13th International Conference on Computer Technology in Welding, June 18-19, 2003, Orlando, FL.
• Chen, Ch., Jandric, D., and Kovacevic, R., “Mechanical Force Analysis in Friction Stir Welding”, Proc. of the 13th International Conference on Computer Technology in Welding, June 18-19, 2003, Orlando, FL.
• Mei, H., Ouyang, J., Hu, D., and Kovacevic, R., “Rapid Fabtrication of Functionally Gradient Material Parts by Laser Beam”, Proc. ofr the ICALE’03, Jacsonville, FL, Oct. 2003.
• Yao,Y.L., Rajurkar, K.P., Kovacevic, R., Zhang, W., and Chen, J., “Combined Research and Curriculum Development: Non-traditional Manufacturing”, Proc. of the NSF Workshop on Research Needs in Thermal Aspects of Material Removal Processes, June 10-12, 2003, Oklahoma State University, pp. 366-374.
• Jiang, W.H. and Kovacevic, R., “Fabrication of Laser Deposited TiC/Steel Matrix Composite Coatings”, Proc. of the 14th Solid Freeform Fabrication Symposium, Aug. 4-6, 2003, UT Austin, Austin, TX.
• Wang, H., Jiang, W., Valant, M., and Kovacevic, R., “Solid Freeform Fabrication Based on Micro Plasma Powder Deposition”, Proc. of the 14th Solid Freeform Fabrication Symposium, Aug. 4-6, 2003, UT Austin, Austin, TX.
• Dwivedi, R., Kovacevic, R., “Process Planning for Solid Freeform Fabrication Based on Laser-Additive Multi-Axis Deposition“,Proc. of the 14th Solid Freeform Fabrication Symposium, Aug. 4-6, 2003, UT Austin, Austin, TX.
• Chen, C.M. and Kovacevic, R., “Prediction of Evolutional Stress in Friction Stir Welding”, presented at the International Symposium on Process Control and Optimization in Non-Ferrous and Ferrous Industry, Materials Science & Technology 2003, TMS, Nov. 9-12, 2003, Chicago, IL.

2002

Journal Papers:

• Ouyang, J.H. and Kovacevic, R., "Material Flow and Microstructure in the Friction Stir Butt Welds of the Same and Dissimilar Aluminum Alloys", the Journal of Materials Engineering and Performance, ASM International, Vol. 11, No. 1, February 2002, pp. 51-63.
• Ouyang, J.H., Wang, H., and Kovacevic, R., "Rapid Prototyping of 5356-Aluminum Alloy Based on Variable Polartity Gas Tungsten Arc Welding", the Journal of Materials and Manufacturing Processes, 17(1), 2002, pp. 103-124.
• Wu, Y. and Kovacevic, R., "Mechanically Assisted Droplet-Transfer Process in Gas Metal Arc Welding for Needs of Rapid Prototyping", the Proceedings of the Institution of Mechanical Engineers, Journal of Engineering Manufacture, Vol. 216, Part B, pp. 555-564, 2002
• Hu, D., Mei, H., and Kovacevic, R., “Improving Solid Freeform Fabrication by Laser Based Additive
  Manufacturing”, the Proc. of the Inst. of Mech. Engs., Part B, Journal of Engineering Manufacture, Vol. 216, 2002, pp. 1253-1264.
• Wang, H. and Kovacevic, R., "On-Line Monitoring of the Keyhole Weld Pool in VPPAW", the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 216, 2002, pp. 1265-1276.
• Momber, A. and Kovacevic, R., “Energy Disipation Control in Hydro-Abrasive Machining Using Quantitaive Acoustic Emission,” the International Journal of Advanced Manufacturing Technology, Vol. 20, No. 6, 2002, pp. 397-406.
• Wang, H. and Kovacevic, R., “Acoustic Sensing of Welding Pool Modes in Variable Polarity Plasma Arc Welding”, the Proc. of the Inst. of Mech. Engs., Part B, Journal of Engineering Manufacture, Vol. 216, Part B, 2002, pp. 1355-1366
• Hu., Z., Kovacevic, R., and Labudovic, M. “Experimental and Numerical Modeling of Buckling Instability of Laser Sheet-Forming”, the International Journal of Machine Tools and Manufacture, 42 (2002), pp. 1427-1439.
• Momber, A., Mohan, R.S., and Kovacevic, R., “Fracture Range Detection in Hydro-Abrasive Erosion of Concrete”, Wear 253 (2002), pp. 1156-1164.

Conference Proceedings:

• Ouyang, J.H., Kovacevic, R., Jandric, D., Song, M., and Valant, M., "Visualization of Material Flow During Friction Stir Welding of the Same and Dissimilar Aluminum Alloys", Presented at the 6th International Conference on Trends in Welding Research, April 15-19, 2002, Pine Mountain, GA,
  Published in Trends in Welding Rsear, ASM International, Materials Park, OH, ISBN: 0-87170-780-2, pp. 229-234.
• Song, M., Kovacevic, R., Ouyang, J., and Valant, M., "Three Dimensional Modeling of Transient Heat Transfer Process in Friction Stir Welding of Aluminum Alloys", Presented at the 6th International Conference on Trends in Welding Research, April 15-19, 2002, Pine Mountain, GA, Published in Trends in Welding Research, ASM International, Materials Park, OH, ISBN: 0-87170-780-2, pp.212-217.
• Jandric, Z., Wang, Y.Z., and Kovacevic, R., "Optimization of Welding Parameters for GTAW Based Rapid Manufacturing", Presented at the 6th International Conference on Trends in Welding Research, April 15-19, 2002, Pine Mountain, GA, Published in Trends in Welding Research, ASM International, Materials Park, OH, ISBN: 0-87170-780-2, pp.392-397.
• Kovacevic, R., Tao, G., and Wang, H., “Air-borne Sound Sensing of Stability of Keyhole Formation in VPPP”, Proc. of the 2002 NSF Design, Service, and Manufacturing Grantees and Research Conference, January, 7-10, 2002, San Juan, Puerto Rico.
• Kovacevic, R., Jandric, Z., Kmecko, I., and Wang, Y.Z., “Process Parameters Optimization for Rapid
  Manufacturing Based on Deposition by Welding”, Proc. of the 2002 NSF Design, Service, and Manufacturing Grantees and Research Conference, January, 7-10, 2002, San Juan, Puerto Rico.
• Kovacevic, R., “Overview of R&D in Friction Stir Welding at Southern Methodist University”, Presented at the AeroMat 2002 Conference, June 10-13, 2002, Orlando, FL.
• Song, M. and Kovacevic, R., “A New Heat Transfer Model for Friction Stir Welding,” Transactions of the North American Manufacturing Research Institution of SME. Vol. XXX, 2002, SME, Dearborn, MI, pp. 565-572.
• Kovacevic, R., Jandric, Z., and Wang, H., “Development of Welding-Based Layered Manufacturing/
  Repair Processes”, presented at the IIW Int. Conf. in connection with the Annual Assembly 2002 on Advanced Processes and Technologies in Welding and Allied Processes, Copenhagen, Denmark, June 24-25, 2002.
• Hu, D. and Kovacevic, R., “Sensing and Control for Laser-Based\Additive Manufacturing”, Presented at the IIW Int. Conf. in connection with the Annual Assembly 2002 on Advanced Processes and Technologies in Welding and Allied Processes, Copenhagen, Denmark, June 24-25, 2002.
• Hu, D. and Kovacevic, R., “Sensing Infrared Radiation for Control of Molten Pool in Laser-Based
  Additive Manufactuirng”, Proc. of the JSME/ASME International Conference on Materials and Processing 2002, No. 02-203, October 15-18, 2002, Honolulu, Hawaii, pp. 137-142.
• Ouyang, J.H. and Kovacevic, R., “Characterization of Friction Stir Welds of Aluminum Alloys”, Proc. of the JSME/ASME International Conference on Materials and Processing 2002, No. 02-203, October 15-18, 2002, Honolulu, Hawaii, pp.17-22.
• Mei. H., Valant, M., Hu, D., and Kovacevic, R., “The Characterization of the Performance of a New
  Powder Feeder for Laser Based Additive Manufacturing”, Proc. of the 13th Annual Solid Freform Fabrication Symposium, August 5-7, 2002, Austin, TX.
• Ouyang, J., Mei, H., Valant, M., and Kovacevic, R., “Application of Laser Cladding Technique to the Rapid Manufacturing of Tools for Friction Stir Weldng”, Proc. of the 13th Annual Solid Freeform Fabrication Symposium, August 5-7, 2002, Austin, TX.
• Jandric, Z. and Kovacevic, R., “Effect of Volume of Heat Sink on Mechanical and Physical Properties of Parts Built by Welding Based SFF”, Proc. of the 13th Annual Solid Freeform Fabrication Symposium, August 5-7, 2002, Austin, TX.
• Hu, D. and Kovacevic, R., “Finite Element Modeling of Thermal Behavior of Molten Pool in Closed-Loop Controlled Laser-Based Additive Manufacturing”, Proc. of the 2002 International Congress on Applications of Lasers and Electro-Optics, Scottsdale, AR, October, 2002.
• Ouyang, J., Mei, H., and Kovacevic, R., “Rapid Prototyping and Characetrization of a WC- (NiSiB Alloy) Cermet/Tool Steel Functionally Graded Material (FGM) Synthesized by Laser Cladding”, presented at the 2002 TMS Fall Meeting, October 6-10,2002, Columbus, OH, “Rapid Prototyping of Materials”, Edited by F.D.S. Marquis and D.L. Bourell, A Publication of TMS, ISBN 0-87339-530-1, 2002.
• Momber, A. and Kovacevic, R., “High-Speed Erosion Testing of Geomaterials”, in the book “Recent Research Developments in Materials Science”, Vol. 3(2002), Part II.
• Kovacevic, R., “Recovery and Fabrication of Metallic Parts by Laser-Based Additive Manufacturing”, Proc. of the 2002 Defense Manufacturing Conference, Dec. 2-5, 2002, Dallas, TX
• Kovacevic, R., Jandric, D., Song. M., and Chen, Ch., “Experimental and Numerical Studies of Friction Stir Welding at SMU”, Proc. of the 2002 Defense Manufacturing Conference, Dec. 2-5, 2002, Dallas, TX.

2001

Journal Papers:

• Zheng, B. and Kovacevic, R., "A Novel Control Approach for the Droplet Detachment in Rapid
  Prototyping by 3D Welding", the ASME Transactions, Journal of Manufacturing Science and Engineering, Vol.123, February 2001,pp. 348-355.
• Labudovic, M. and Kovacevic, R., “The Use of Laser/GTAW Combination for Surface Modification of Ti-6Al-4V Alloy”, the Journal of Materials Science and Technology, Vol. 17, 2001, pp. 237-240.
• Hu, Z., Labudovic, M., Wang, H., and Kovacevic, R., “Computer Simulation and Experimental
  Investigation of Sheet Metal Bending Using Laser Beam Scanning”, the International Journal of Machine Tools and Manufacture, 41(2001), pp. 589-607.
• Kovacevic, R., "Will We Use Welding Technology to Make RPs", SME's Manufacturing Engineering Magazine, No. 4, 2001, pp. 26-27.
• Hu, D., Labudovic, M., and Kovacevic, R., “On-Line Sensing and Estimation of Laser Surface Modification by Computer Vision”, the Proc. Instn. Mech. Engrs., Part B, Journal of Engineering Manufacture, Vol 215, Nov. 2001, pp. 1081-1090.
• Wang, H. and Kovacevic, R., "Rapid Prototyping Based on Variable Polarity Gas Tungsten Arc
  Welding for Aluminum Alloys", the Proceedings of the Institution of Mechanical Engineers, Journal of Engineering Manufacture, Vol. 215, Nov. 2001, pp. 1519-1527.
• Labudovic, M. and Kovacevic, R., “Modeling of Laser Surface Nitriding of Ti-6Al-4V Alloy – Analysis of Heat Transfer and Residual Stresses”, the Proc. Instn. Mech. Engrs., Part C, Journal of Mechanical Engineering Science, Vol 215, Part C, 2001, pp. 315-340.

Conference Proceedings:

• Kovacevic, R. and Kmecko, I., “ Sensing and Control of Metal Transfer in GMAW For Rapid Protyping”, Proc. of the NSF Design, Manufacturing & Industrial Innovations Research Conference, January 7-10, 2001, Tampa, FL
• Kovacevic, R., and Wang, H., “Real Time Weld Penetration Monitoring in VPPAW”, Proc. of the NSF Design, Manufacturing & Industrial Innovations Research Conference, January 7-10, 2001, Tampa, FL
• Kovacevic, R., Wu, Y., and Tao, G., “Improvement in Droplet Transfer Process of Gas Metal Arc Welding by Wire Oscillation”, Proc. of the XXIX North American Manufacturing Research Conference, May 22-25, 2001, pp. 639-646., SME's Technical Paper No. MS01-310, 2001.
• Kovacevic, R., “Rapid Manufacturing of Functional Parts Based on Deposition by Welding and 3D Laser Cladding”, Proc. of the MoldMaking 2001 Conference, April 3-5, 2001, Rosemont, IL, presented by Mold Making Technology Magazine, 2001, pp. 263-276.
• Hu, D., Wu, Y., and Kovacevic, R., "Heat Input Control in 3D Laser Cladding Based on Infrared Sensing", Proc. of the Symposium on Nontraditional Manufacturing Research and Applications, the 2001 International Mechanical Engineering Congress, Nov. 11-16, 2001, New York, NY.
• Kmecko, I., Jandric, Z., and Kovacevic, R., "Influence of Geometrical Factor on Heat Conduction Rate During GTAW for Welding-Based Deposition", Proc. of the Symposium on Nontraditional Manufacturing Research and Applications, the 2001 International Mechanical Engineering Congress, Nov. 11-16, 2001, New York, NY.
• Tao, G., Wang, H., and Kovacevic, R., "Monitoring Stability of Keyhole Formation in VPPAW", Presented at the 11th International Conference on Computer Technology in Welding, Sept. 19-20, 2001, Columbus, OH. NIST Special Publication 973, Eds. Siewert, T.A. and Pollock, C., Boulder, CO, 2002, pp. 97-104.
• Wang, Y.Z., Jandric, Z., Kmecko, I., and Kovacevic, R., "Real-Time Molten Pool Boundary Extraction for Control of Gas Tungsten Arc Welding", Presented at the 11th International Conference on Computer Technology in Welding, Dec. 3-5, 2001, Columbus, OH. NIST Special Publication 973, Eds. Siewert, T.A. and Pollock, C., Boulder, CO, 2002, pp. 87-94, SME’s Technical Paper AD02-243, 2002.
• Kmecko.I., Jandric, Z., and Kovacevic, R., "Dynamic Model of GTAW for Rapid Prototyping with Welding-Based Deposition", Presented at the 11th International Conference on Computer Technology in Welding, Dec. 3-5, 2001, Columbus, OH, NIST Special Publication 973, Eds. Siewert, T.A. and
  Pollock, C., Boulder, CO, 2002, pp. 317-325, SME’s Technical Paper AD02-242, 2002.
• Jandric, D., Ouyang, J.H., and Kovacevic, R., "On-Line Weld Quality Diagnostics in FSW", Presented at the 11th International Conference on Computer Technology in Welding, Dec. 3-5, 2001, Columbus, OH. NIST Special Publication 973, Eds. Siewert, T.A. and Pollock, C., Boulder, CO, 2002., pp. 173- 181.
• Hu, D. and Kovacevic, R., "Closed Loop Control of 3D Laser Cladding Based on Infrared Image Sensing", Proc. of the 12th Annual Solid Freeform Fabrication Symposium, August 6-8, 2001, Austin, TX.
• Jandric, Z. and Kovacevic, R., "New Way of Process parameters optimization in SFF Based on Deposition by Welding", Proc. of the 12th Annual Solid Freeform Fabrication Symposium, August 6-8, 2001, Austin, TX, pp. 110-120.

2000

Journal Papers:

• Zheng, B., Wang, Q.I., and Kovacevic, R., “Parameters Optimization for the Generation of a Keyhole Weld Pool During the Start-up Segment in VPPAW of Aluminum Alloys,” the Proc. of the Instn. of Mech. Engrs., Part B, Journal of Engineering Manufacture, Vol. 214, 2000, pp. 393-400.
• Wang, H., Kovacevic, R., Zheng, B., and Wang, Q., “Real-Time Image Processing of Keyhole Puddle in VPPAW,” the Proc. of the Instn. of Mech. Engrs., Part B, Journal of Engineering Manufacture, Vol 214, 2000, pp. 495-504.
• Labudovic, M., Hu, D.M., and Kovacevic, R., “3D Finite Element Modeling of Laser Surface Modification”, the Proc. of the Instn. of Mech. Engrs., Part B, Journal of Engineering Manufacture, Vol.214, 2000, pp.683-692.
• Zheng, B., Wang, H.J., Wang, Q.I., and Kovacevic, R., “Control for Weld Penetration in VPPAW of Aluminum Alloys Using the Front Weld Pool Image Signal,” the Welding Journal/Research Supplement, 2000, pp.363s-370s.
• Momber, A. and Kovacevic, R., “Particle Size Distribution Influence in High Speed Erosion of Aluminum”, the International Journal on Particulate Science and Technology, Vol.18, No.3, 2000, pp. 199-212.

Conference Proceedings:

• Labudovic, M. and Kovacevic, R., “The Use of a Laser/GTAW Combination for Surface Modification of Ti-6Al-4V Alloy”, Proc. of the International Symposium on Materials Science and Technology, June 5-6, 2000, Harbin, China.
• Kmecko, I., Hu., D., and Kovacevic, R., “Real-Time Image Processing in Controlling Gas Metal Arc
  Welding”, Proc. of the 7th Mechatronics Forum Inetrnational Conference, Sept. 6-8, 2000, Atlanta, GA.
• Wang, H. and Kovacevic, R., “Keyhole Image Sensing in VPPAW”, Proc. of the 7th Mechatronics Forum International Conference, Sept. 6-8, 2000, Atlanta, GA
• Hu, D., Kmecko, I., and Kovacevic, R., “A Novel Sensor for Droplet Transfer Sensing in Pulsed GMAW”, Proc. of the 7th Mechatronics Forum International Conference, Sept. 6-8, 2000, Atlanta, GA
• Wang, F., Owona, N., and Kovacevic, R., “Droplet Detachment Control with Additional Mechanical Force in Gas Metal Arc Welding”, Proc. of the 7th Mechatronics Forum International Conference, Sept. 6 – 8, 2000, Atlanta, GA.
• Vasile, D. and Kovacevic, R., “An Intelligent GMAW Quality Control Using Wavelet Transforms”, Proc. of the 7th Mechatronics Forium International Conference, Sept.6 - 8, 2000, 2000, Atlanta, GA.
• Hu, D., Kovacevic, R., and Valant, M., “Solid Freeform Fabrication of Metal Parts by 3D Laser Clading”, Proc. of the 2000 Symposium on rapid Prototyping, Rapid Tooling and Solid Freeform Fabrication for the Next Millennium, the International Mechanical Engineering Congress and Exposition, Nov. 5-10, 2000, Orlando, FL
• Hu, Z., Labudovic, M., and Kovacevic, R., “Investigation into Buckling Deformation of Laser Sheet-Forming”, Proc. of the Third World Congress on Intelligent Manufacturing Processes and Systems, May 2000, MIT, Cambridge, MA.
• Labudovic, M., Hu., D., Hu, Z., and Kovacevic, R., “3D Finite Element Modeling of Surface Modification of Ti-6Al-4V Alloy”, Proc. of the Third World Congress on Intelligent Manufacturing Processes and Systems, May 2000, Cambridge, MA.
• Wang, H., Wang, F., and Kovacevic, R., “Variable Polarity GTAW in Rapid Prototyping of Aluminum Parts”, Proc. of the 11th Annual Solid Freeform Fabrication Symposium, Aug. 7-9, 2000, Austin, TX.
• Kmecko, I., Kovacevic, R. and jandric, Z., “Machine Vision Based Control of Gas Tungsten Arc Welding for Rapid Prototyping “, Proc. of the 11th Annual Solid Freeform Fabrication Symposium, Aug. 7-9, 2000. Austin, TX, pp. 578-588.
• Vasile, Dragos, Vasile, Dan and Kovacevic, R., “Application of Neural Networks in Laser Sheet Bending”, Proc. of the 2000 IEEE International Symposium on Circuits and Systems, May 28 – 31, 2000, Geneva, Switzerland.
• Hu, D., Labudovic, M., Kovacevic, R., “On-Line Sensing of Laser Surface Modification Process by
  Computer Vision ” Proceedings of the 9th International Conference on Computer Technology in Welding, Sept. 28-30, 1999, Detriot, MI, NIST Special Publication 949, Edts. T. Siewert and C. Pollock, May 2000, pp.417-424.
• Zheng, B. and Kovacevic, R., “A Novel Control Approach for the Droplet Detachment in GMA Welding of Steel,” Proceedings of the 9th International Conference on Computer Technology in Welding, Sept. 28-30, 1999, Detriot, MI, NIST Special Publication 949, Edts. T. Siewert and C. Pollock, May 2000, pp. 363-373.
• Fan, H.G., Kovacevic, R., Zheng, B., and Wang, H.J., “Numerical and Experimental Study on The Transport Phenomena in the Plasma Arc Welding Pool,” Proceedings of the 9th International Conference on Computer Technology in Welding, Sept. 28-30, 1999, Detroit, MI, NIST Special Publication 949, Edts. T. Siewert and C. Pollock, May 2000, pp. 91-100.

1999

Journal Papers:

• Fan, H. and Kovacevic, R., “Keyhole Formation and Collapse in the Plasma Arc Welding,” the Journal of Physics D: Applied Physics, Vol. 33(22), 1999, pp. 2902-2909.
• Fan, H.G. and Kovacevic, R., “Droplet Formation, Detachment and Impingement on the Molten Pool in GMA Welding”, the Metallurgical and Materials Transactions B, Vol. 30B, Aug. 1999, pp. 791-801.
• Momber, A., Mohan, R., and Kovacevic, R., “An Acoustic Emission Study of Cutting Bauxite Refractory Ceramics by Abrasive Waterjet,” the Journal of Materials Engineering and Performance, ASM International, Vol. 8(4), August 1999.
• Zheng, B., Wang, H.J., Wang, Q., and Kovacevic, R., “Front Image Sensing of the Keyhole Weld Pool in Variable Polarity PAW of Aluminum Alloys”, the ASME Transactions, Journal of Manufacturing Science and Engineering, Vol. 121, August, 1999.
• Labudovic, M., Kovacevic, R., Kmecko, I., Khan, T.I., “Mechanism of Surface Modification of Ti-6Al-4V Alloy Using a Tungsten Metal Arc Heat Source,” the Metallurgical and Materials Transactions A, Vol. 30, June 1999, pp. 1597-1603.
• Zheng, B., Wang, Q., and Kovacevic, R., “Arc Interface and a Unique Push-Pull-Arc Solution in AC PAW of Aluminum Alloys”, the Proc. of the Instn. of Mech. Engrs., Part B, Journal of Engineering Manufacture, Vol. 213, 1999, pp. 69 – 76.
• Ye, J. and Kovacevic, R., "Turbulent Solid-Liquid Flow through Nozzle of Premixed Abrasive Waterjet Cutting System," the Proceedings of the Institution of Mechanical Engineers, Part B, Journal of Engineering Manufacture, Vol. 213, 1999, pp. 59 – 67.
• Momber, A., Mohan, R., and Kovacevic, R., “On-Line Analysis of Hydro-Abrasive Erosion of Pre-Cracked Materials by Acoustic Emission,” the Theoretical and Applied Fracture Mechanics, 31(1999), pp. 1-17.
• Momber, A. and Kovacevic, R., "An Energy Balance of High-Speed Abrasive Waterjet Erosion," the Proc. Instn. Mech. Engrs., Part J, Journal of Engineering Tribology, Vol. 213, 1999, pp. 463–472.

Conference Proceedings:

• Kmecko, I., Hu, D.M., and Kovacevic, R., “Controlling Heat Input, Spatter, and Weld Penetration in GMA Welding for Solid Freeform Fabrication,” Proceedings of the 10th Solid Freeform Fabrication Symposium, The University of Texas at Austin, Aug. 10-12, 1999, Austin, TX.
• Mohan R. and Kovacevic, R., “Finite Element Modeling of Crack Propagation in PCC Slab Slotted with Abrasive Water Jjet,” Proceedings of the 10th American Watrejet Conference, August 14-17, 1999, Houston, TX.
• Mohan, R., Kovacevic, R., and Chiratanagandla, V., “Finite Element Modeling of Coolant Flow at the Cutting Zone in High Pressure Water Jet Assisted Milling,” Proceedings of the 10th American Waterjet Conference, August 14-17, 1999, Houston, TX. International Conference on Computer Technology in Welding, Sept. 28-30, 1999, Detroit, MI
• Kovacevic, R., Beardsley, H., and Fan, H.G., “Modeling, Sensing and Control of Droplet Based Solid Freeform Fabrication Process”, Proceeding of the 75th Anniversary Energy Sources Technology Conference, ASME International Petroleum Division, Febr. 1-3, 1999, Houston, TX, awarded as the Best Research Paper.
• Kovacevic, R., “Rapid Prototyping Technique Based on 3D Welding,” 1999 NSF Design and Manufacturing Grantees Conference, January 5-8, 1999, Los Angeles, CA.

Conference Abstracts:

• Labudovic, M. and Kovacevic, R., “Mechanism of Surface Modification of Ti-6Al-4V”, Abstract of Papers of the 80th Annual AWS Convention, St. Louis, MO, April 12-15, 1999.
• Zheng, B., Wang, Q., and Kovacevic, R., “Closed Loop Control for Weld Formation Based on the Front Image Signal for the Keyhole in VPPAW of Aluminum Alloys”, Abstract of Papers of the 80th Annual AWS Convention, St. Louis, MO, April 12-15, 1999.
• Zheng, B., Wang, Q., and Kovacevic, R., “Parameters Optimization for the Generation of a Keyhole Weld Pool During the Start-up Segment in VPPAW of Aluminum Alloys”, Abstract of Papers of the 80th Annual AWS Convention, St. Louis, MO, April 12-15, 1999.
• Fan, H.G. and Kovacevic, R., “Numerical and Experimental Investigation of Globular Metal Transfer in GMAW”, Abstract of Papers of the 80th Annual AWS Convention, St. Louis, MO, April 12-15, 1999.

1998

Journal Papers:

• Wang, Y., Kovacevic, R., and Liu, “Mechanism of Surface Modification by CeO2 in Laser Remelted Alloy Spray Coatings,” the Wear, 221(1998). pp. 47-53.
• Zhang, Y.M., Liguo, E., and Kovacevic, R., “Active Metal Transfer Control by Monitoring Excited Droplet Oscillation”, Welding Journal, 77(9), 1998, pp. 388s-395s.
• Fan, H.G., Kovacevic, R., “Dynamic Analysis of Globular Metal Transfer in Gas Metal Arc Welding – Comparison of Numerical and Experimental Results,” the Journal of Physics D: Applied Physics, 31(1998), pp. 1-13.
• Zhang, S.B., Zhang, Y.M., and Kovacevic, R., “Non-Contuct Ultrasonic Sensing for Seam Tracking in Arc Welding Process,” the ASME Journal of Manufacturing Science and Engineering, Vol. 120, August 1998, pp. 600-608.
• Zhang, Y. M. and Kovacevic, R., “Neurofuzzy Model Based Control of Weld Fusion Zone Geometry,” the IEEE Transactions on Fuzzy Systems, Vol. 6, No. 3, 1998, pp. 389-401.
• Kovacevic, R., Kwak, H., and Mohan, R., "AE Sensing as a Tool for Understanding the Mechanisms of AWJ Drilling of Difficult-to-Machine Materials," the Proc. Instn. Mech. Engrs. Part B, Journal of Engineering for Manufacturing, Vol 212, 1998, pp. 45-58.
• Cao, Z. N., Zhang, Y. M., and Kovacevic, R., "Numerical Dynamic Analysis of Moving GTA Weld Pool," the ASME Journal of Manufacturing Science and Engineering, 120(1), 1998, pp. 173-178.

Conference Proceedings:

• Zheng, B., Wang, Q.L., and Kovacevic, R., “Effect of the DCEP During Time on the Penetration in AC Plasma Arc Welding of Aluminum Alloys”, Manufacturing Science and Engineering, ASME MED-Vol. 8, 1998, pp. 213-220.
• Kovacevic, R. and Beardsley, H.E., “Process Control of 3D Welding as a Droplet-Based Rapid rototyping Technique”, Proceedings of the 9th Annual Solid Freeform Fabrication Symposium, August 10-12, 1998, Austin, TX, pp. 57-64.
• Milacic, M. and Kovacevic, R., “Partial Penetration in Blanket Welding with CO2 Laser,” Proceedings of the 5th International Conference on Trends in Welding Research, June 1-5, 1998, Pine Mountain, GA.
• Beardsley, H.E. and Kovacevic, R., “Controlling Heat Input and Metal Transfer for
  3D Welding – Based Rapid Prototyping”, Proceedings of the 5th International Conference on Trends in Welding Research, June 1-5, 1998, Pine Mountain, GA.
• Milacic, M. and Kovacevic, R., “Real-Time Control of Partial Penetration in Laser Welding”, Proceedings of the 4th International Seminar on Intelligent Manufacturing Systems, September 26-29, 1998, Belgrade, Yugoslavia.
• Dreyzin, E., Wang, Y., and Kovacevic, R., “A New Microwelding Method in Use for Solid Freeform Fabrication”, Proceedings of the 7th European Conference on Rapid Prototyping and Manufacturing, Aachen, Germany, July 7 –8, 1998.
• Beardsley, H.E. and Kovacevic, R., “New Rapid Prototyping Technique based on 3-D Welding”,
  Proceedings of the 31st CIRP International Seminar on Manufacturing Systems, May 26-28, 1998, Berkeley, CA.

Conference Abstracts:

• Mohan, R. and Kovacevic, R., “Performance Enhancement of Supper Alloys Using Hybrid Machining Process,” Proceedings of the International Conference on Agile Manufacturing, Minneapolis, MN, June 21-23, 1998.
• Mohan, R. and Kovacevic, R., “Numerical Simulation of Coolant Flow at the Tool-Chip Interface in High-Pressure Waterjet Assisted Milling,” Proceddings of the International Conference on Agile Manufacturing, Minneapolis, MN, June 21-23, 1998.
• Mohan, R. and Kovacevic, R., “FEM Modeling of Virtual Crack Propagation in PPC Pavement Slotted with Abrasive Waterjet,” Proceedings of the International Conference on Agile Manufacturing, Minneapolis, MN, June 21-23, 1998.
• Beardsley, H.E. and Kovacevic, R., “Controlling Heat and Metal Transfer for Droplet-Based Rapid Prototyping”, Abstract of Papers of the 79th Annual AWS Convention, Detroit, April 1998.
• Milacic, M. and Kovacevic, R., “Monitoring and Control of Partial Penetration Depth in CO2 Laser Beam Welding”, Abstract of Papers of the 79th Annual AWS Convention, Detroit, April 1998.

1997

Journal Papers:

• Yong, Z. and Kovacevic, R., “Modeling of Jetflow Drilling with Consideration of Chaotic Erosion Histories of Particles,” the Wear, Vol. 209, 1997, pp. 284-291.
• Yao, Y. X., Zhang, Y. M., and Kovacevic, R., “Functional Observer and State Feedback for Input Time-Delay Systems,” the International Journal of Control, Vol. 66(4), 1997, pp. 603-617.
• Zhang, Y.M. and Kovacevic, R., “Robust Control of Interval Plants: A Time-Domain Method,” the IEE Proceedings on Control Theory and Applications, Vol. 144, No. 4, 1997, pp. 347-353.
• Zhang, Y.M., Li, L. and Kovacevic, R., "Dynamic Estimation of Full Penetration Using Geometry of Adjacent Weld Pools," the ASME Journal of Manufacturing Science and Engineering, Vol. 119 (1997), pp. 631-643.
• Kovacevic, R., Hashish, M., Mohan, R., Kim, T.J., Ramulu, R., and Geskin, E.S., “State of the Art of Research and Development in Abrasive Waterjet Machining,” the ASME Journal of Manufacture Science and Engineering, Vol. 119, pp. 776-785.
• Kovacevic, R., and Zhang, Y.M., “Adaptive Robotic Welding Using Vision Feedback,” the Journal of Production Engineering and Computers,” Vol. 1, No. 1, 1997, pp. 29-34.
• Momber, A., Kovacevic, R. and Kwak, H., "Alternative Method for the Evaluation of Abrasive Water Jet Cutting of Gray Cast Iron," the Journal of Materials Processing Technology, 65 (1997), pp. 65-72
• Yong, Z. and Kovacevic, R., “Simulation of Chaotic Particle Motion in Particle-Laden Jetflow and Application to Abrasive Waterjet Machining,” the ASME Journal of Fluid Mechanics, Vol. 119, 1997, pp. 435-442.
• Kovacevic, R. and Beardsley, H.E., “High-Speed Water Jet as a Coolant/Lubricant in Grinding,” Abrasive Magazine, June/July 1997, pp. 17-34.
• Yong, Z. and Kovacevic, R., “Feedback Control of Chaotic Circular Point Sets with Arbitrary Velocity Profile,” the Journal of Chaos, Solitons and Fractals, Vol. 8, No. 3, 1997, pp. 313-326.
• Yong, Z. and Kovacevic, R., "Fundamentals of Constructing Particle-Laden Jetflow by Fractal Point Sets and Predicting 3D Solid Erosion Rates," the Journal of Chaos, Solitons and Fractals, Vol. 8, No. 2, 1997, pp. 207-220.
• Zhang, Y. M. and Kovacevic, R., “Real-Time Sensing of Sag Geometry During GTA Welding,” the ASME Journal of Manufacturing Science and Engineering, 119(1), 1997, pp. 151-160.
• Kovacevic, R. and Zhang, Y. M., "Real-Time Image Processing for Monitoring of Free Weld Pool Surface," the ASME Journal of Manufacturing Science and Engineering, 119 (1), 1997,
  pp.161-169.
• Kovacevic, R. and Zhang, Y.M., “Neurofuzzy Model-Based Weld Fusion State Estimation,” the IEEE Control Systems Magazine, 17(2), 1997, pp. 30-42.
• Momber, A. and Kovacevic, R., "The Parameter Analysis in Abrasive Water Jet Cutting of Rocklike Materials," the International Journal of Rock Mechanics and Mining Science, Vol. 34, No. 1, 1997, pp. 17-25.
• Yong, Z. and Kovacevic, R., “Simulation of Effects of Water-Mixture Film on Impact Contact in Abrasive Waterjet Machining,” the International Journal of Mechanical Sciences, Vol. 39, No. 6, 1997, pp. 729-739.

Conference Proceedings:

• Mohan, R. and Kovacevic, R., “Pavement Rehabilitation Using High Pressure Abrasive Waterjets”, Water Jet Applications in Construction Engineering, Edited by A.W. Momber, A.A. Balkema, Rotterdam, 1997, pp. 121-148, book chapter.
• Zhang, Y.M., Li, L., and Kovacevic, R., “Neurofuzzy Model Based Control of Weld Fusion Zone Geometry,” Proceedings of the 1997 American Control Conference, Albuquerque, NM, June 4-6, pp. 2483-2487.
• Zhang, Y.M., Kovacevic, R., and Yao, Y.X., “Identification of Multivariable Interval Dynamic Model from Measurements in Frequency Domain,” Proceedings of the 1997 American Control Conference, Albuquerque, NM, June 4-6, pp. 1939-1943.
• Yao, Y.X., Zhang, Y.M., and Kovacevic, R., “Loop Transfer Recovery Design with Proportional Integral Observer Based on H-infinity Optimal Observation,” Proceedings of the 1997 American Control Conference, Albuquerque, NM, June 4-6, pp. 786-790.
• Zhang, Y.M., E, Liguo, and Kovacevic, R., “Droplet Transfer Control for Gas Metal Arc Welding and Rapid Prototyping,” Technical Paper of the NAMRC XXV, May 20-23, 1997 pp. 131-136.
• Kovacevic, R. and Yong, Z., “3D Modeling/Simulation of Abrasive Waterjet Machining,” Proceedings of the 1997 NSF’s Design and Manufacturing Grantees Conference, January 7-10, Seattle, WA.
• Kovacevic, R., Liguo, E., and Zhang, Y.M., “Achieving Projected Spray Based on Excited Droplet Oscillation”, Proceedings of the Second World Congress on Intelligent Manufacturing Processes & Systems, Budapest, Hungary, June 10-13, 1997.

Conference Abstracts:

• Zhang, Y.M., Liguo, E., and Kovacevic, R., “Active Control of Droplet Growth and Detachment Using Vision Feedback,” Abstract of Papers of the 78th Annual AWS Convention, April 14-17, 1997, Los Angeles, CA, pp. 53-54.
• Mohan, R. and Kovacevic, R., “A Review of Abrasive Waterjet Nozzle Wear Monitoring Techniques”, International Conference on Agile Manufacturing, Lafayette, LA, Feb. 23-25, 1997.
• Mohan, R. and Kovacevic, R., “Monitoring Deposited Thickness and Arc Stability in Electric Arc Spraying”, International Conference on Agile Manufacturing, Lafayette, LA, Feb. 23-25, 1997.

1996

Journal Papers:

• Kovacevic, R. and Zhang, Y.M., "Sensing Free Surface of Arc Weld Pool Using Specular Reflection:
  Principle and Analysis," the Proc. Instn. Mech. Engrs., Part B, Journal of Engineering Manufacture, Vol. 210, 1996, pp. 553-564.
• Momber, A. W., Eusch, I., and Kovacevic, R., "Machining Refractory Ceramics with Abrasive Waterjet," the Journal of Materials Science, 31(1996), pp.6485-6493.
• Momber, A., Kwak, H., and Kovacevic, R., "Investigations in Abrasive Water Jet Erosion Based on Wear Particle Analysis," the ASME Journal of Tribology, Vol 118, 1996, pp. 759-766
• Kovacevic, R., Zhang, Y.M., and Li, L., "Monitoring of Weld Joint Penetration Based on Weld Pool Geometrical Appearance," the Welding Journal, 75(10) 1996, pp. 317s - 329s.
• Zhang, Y. M., Kovacevic, R., and Li, L., "Characterization and Real-Time Measurement of Geometrical Appearance of Weld Pool," the International Journal of Machine Tools and Manufacture, 36(7), 1996, pp. 799-816.
• Yao, Y. X., Zhang, Y.M., and Kovacevic, R., "Parameterization of Observers for Time-Delay Systems and its Application in Observer Design," the IEE Proceedings Control Theory and Applications, 143 (3), 1996, pp. 225-232.
• Momber, A. and Kovacevic, R., "Accelerated High Speed Water Erosion Test for Concrete Wear Debris Analysis," the Tribology Transactions, Vol. 39 (1996) 4, pp. 943-949.
• Zhang, Y. M., Cao, Z. N., Kovacevic, R., "Numerical Analysis of Weld Pool Penetration in GTA Welding, the Proc. Inst. Mech. Engrs., Part B, Journal of Mechanical Engineering, 210 (C2), pp. 187-195, 1996.
• Zhang, Y.M., Kovacevic, R., and Li, L., "Adaptive Control of Full Penetration in GTA
  Welding," the IEEE Transactions on Control Systems Technology, Vol. 4, No. 4. July 1996.
• Kovacevic, R., Cao, Z.N., and Zhang, Y.M., "Role of Welding Parameters in Determining the Geometrical Appearance of Weld Pool," the ASME Journal of Engineering Materials and Technology, Vol. 118 (4), 1996, pp. 589-596.
• Kovacevic, R., Yao, Y.X., and Zhang, Y.M., "Observer Parametrization for Simultaneous Observation," the IEEE Transactions on Automatic Control, 41(2), 1996.
• Momber A. and Kovacevic, R., "Fracture of Brittle Multiphase Materials by High Energy Water Jets," the Journal of Materials Science, 31(1996), pp. 1081-1085.
• Kovacevic, R., Mohan, R., and Beardsley, H.E., "Monitoring of Thermal Energy Distribution in Abrasive Waterjet CuttingUsing Infared Thermography,” the ASME Journal of Manufacturing Science and Engineering, 118 (4), 1996, pp. 555-563.
• Zhang, Y. M., Kovacevic, R., and Wu, L., "Dynamic Analysis and Identification of Gas Tungsten Arc Welding Process for Weld Penetration Control," the ASME Journal of Manufacturing Science and Engineering, 118(1), 1996, pp. 123-136.

Conference Proceedings:

• Momber, A. and Kovacevic, R., “Accelerated High Speed Water Erosion Test for Concrete Wear Debris,” Proceedings of the 1996 ASME-STLE Tribology Conference, Oct. 13-17, San Francisco, CA.
• Kovacevic, R. and Zhang, Y.M., "On-Line Measurement of Weld Fusion State Feedback Using Weld Pool Image and Neurofuzzy Model," Proceedings of the IEEE International Conference on Intelligent Control, Dearborn, MI, Oct. 1996.
• Yong, Z. and Kovacevic, R., "Designing Nozzle Cross Sections with off-Line Simulation for 3D Abrasive Waterjet Machining," Proceedings of the "Forum on High Speed Jet Flow," ASME Fluids Engineering Division Summer Meeting, San Diego, CA, June 1996.
• Zhang, Y.M. and Kovacevic, R., "Robust Stabilizing Control of Stable Interval Plants: A Time Domain Approach," DSC-Vol. 58, Proceedings of the ASME Dynamic Systems and Control Division, 1996, pp. 867-875.
• Yao, Y.X., Zhang, Y. M., and Kovacevic, R., "H-infinity Based Robust Multivariable Linear Control of Weld Pool Shape," DSC-Vol. 58, Proceedings of the ASME Dynamic Systems and Control Division, 1996, pp. 259-264.
• Zhang, Y.M., Yao, Y.X., Li, L., and Kovacevic, R., "Robust Fault Detection and Isolation for Linear Input Time-Delay," DSC-Vol. 58, Proceedings of the ASME Dynamic Systems and Control Division, 1996, pp. 859-866.
• Kovacevic, R., Zhang, Y. M., Liguo, E., and Beardlsy, H.E., "Dynamics of Droplet Geometry During Metal Transfer in GMAW - A Model for Process Control," MD-Vol. 74, Advanced Materials: Development, Characterization, Processing and Mechanical Behavior, ASME 1996, pp. 143-144.
• Zhang, Y. M., Li, L., and Kovacevic, R., “Neurofuzzy Model Based Non-Linear Modeling and Control of Weld Fusion Zone Geometry,” MD-Vol. 74, Advanced Materials: Development, Characterization, Processing and Mechanical Behavior, ASME 1996, pp. 149-150.
• Zhang, Y. M., Cao, Z. N., and Kovacevic, R., “Numerical Dyanamic Analysis of Moving GTA Weld Pool,” the 1996 International Mechanical Engieering Congress & Exposition, Nov. 17-22, Atlanta, GA.
• Mohan, R. and Kovacevic, R., “Performnace Evaluation of a Hybrid Machining Process -High Pressure Waterjet Assisted Grinding,”MD-Vol. 74, Advanced Materials: Development, Characterization, The Processing and Mechanical Behavior, ASME 1996, pp.131-132.
• Mohan, R., Kovacevic, R., and Beardsley, H.E., “Heat Flux Determination at the AWJ Cutting Zone Using IR Thermography and Inverse Heat Conduction Problem,” HTD-Vol. 332, Proceedings of the ASME Heat Transfer Division, Vol. 1, ASME 1996, pp. 245-254.
• Kovacevic, R., Zhang, Y.M., Li, L., and Beardsley, H.E., “Sensing and Control of Weld Geometrical Appearance,” Proceedings of the 26th Conference on Production Engineering, Oct. 2-4, 1996, Budva, Yugoslavia, pp. 813-824.
• Zhang, Y.M. and Kovacevic, R., “Monitoring of Three-Dimensional Arc Weld Pool Surface,” Proceedings of the 26th Conference on Production Engineering, Oct. 2-4, 1996, Budva, Yugoslavia, pp.855-866.
• Momber. A. Kovacevic, R., Pfeiffer, D., and Schunemann, R., "The Influence of Abrasive
  Grain Size Distribution Parameters on the Abrasive Water Jet Machining Process," NAMRC
  XXIV, May 21-24, 1996, pp. 21-26.
• Kovacevic, R. and Yong, Z., "Modeling of 3D Abrasive Waterjet Machining, Part I: Theoretical Basis,” 1996 Jetting Technology, published by Institution of Mechanical Engineers, pp. 73-82.
• Yong, Z., and Kovacevic, R., “Modeling of 3D Abrasive Waterjet Machining, Part II: Simulation of Machining,” 1996 Jetting Technology, published by Institution of Mechanical Engineers, pp. 83-89
• Kwak, H., Mohan, R., and Kovacevic, R., "Monitoring of AWJ Drilling of Ceramics Using AE Sensing Technique," 1996 Jetting Technology, published by Institution of Mechanical Engineers, pp. 137-152.
• Kovacevic, R., Zhang, Y.M., and Beardsley, H.E., "Real-Time Measurement of 3D Shape of Weld Pool Surface," NSF Design and Manufacturing Grantees Conference, January 2-5, 1996, Albuquerque, NM.
• Zhang, Y. M., Walcott, B. L., and Kovacevic, R., "Model Distance Criterion for Order Determination of ARMA Models," Proc. of the 13th World Congress, International Federation on Automatic Control, Vol. J, pp. 263-268, June 30 - July 5, 1996, San Francisco, CA.

Conference Abstracts:

• Mohan, R. and Kovacevic, R., "Acoustic Signals as a Tool for Monitoring Electric Arc Spraying Process,” AIAA/ASME Oklahoma Symposium XVI, February 24, 1996, Tulsa, OK.
• Mohan, R., Kovacevic, R., and Beardsley, H.E., "Infrared Thermography as a Sensing Technique to Monitor Temperature Distribution in AWJ Cutting," AIAA/ASME Oklahoma Symposium XVI, February 24, 1996, Tulsa, OK.
• Mohan, R. and Kovacevic, R., "Development and Evaluation of High Pressure Waterjet Coolant/ Lubricant System for Milling Operation," AIAA/ASME Oklahoma Symposium XVI, Feb. 24, 1996, Tulsa, OK.
• Mohan, R. and Kovacevic, R., "Improvement of Surface Grinding Performance with High- Speed Coolant Application," AIAA/ASME Oklahoma Symposium XVI, February 24, 1996, Tulsa, OK 
• Beardsley, H. E., Kovacevic, R., Zhang, Y. M., "High-Speed Machine Vision for Post-Weld Quality Inspection," Abstract of Papers of the 77th Annual AWS Convention, Chicago, IL, April 22-25, 1996.
• Kovacevic, R., Li, L., Yao, Y. X., and Zhang, Y. M., "Robust Control of Geometrical Appearance of Weld Pool, Abstract of Papers of the 77th Annual AWS Convention, Chicago, IL, April 22-25, 1996.
• Zhang, Y. M., Cao, Z. N., and Kovacevic, R., "Numerical Analysis of Dynamic Response of Weld Pool to Welding Parameters," Abstract of Papers of the 77th Annual AWS Convention, Chicago, IL, April 22-25, 1996.
• Kovacevic, R., Erlenbeck, M. W., Beardsley, H. E., and Zhang, Y. M., "Real-Time Image Acquisition and Processing of Metal Transfer," Abstract of Papers of the 77th Annual AWS Convention, Chicago, IL, April 22-25 1996

1995

Journal Papers:

• Kovacevic, R. and Zhang, Y.M., "Machine Vision Recognition of Weld Pool in GTAW," the Proc. Instn. Mech. Engrs., Part B. Journal of Engineering Manufacture, 208 (B2), pp. 141-152, 1995.
• Momber, A. and Kovacevic, R., "Statistical Character of the Failure of Multiphase Materials due to High Pressure Water Jet Impingement," The Intl. Journal of Fracture, Vol. 71, 1995, pp. 1-14.
• Kovacevic, R., Cherukuthota, C., and Mohan, R., "Improving Milling Performance with High Pressure Waterjet Assisted Cooling/Lubrication," the ASME Journal of Engineering for Industry, Vol. 117(3), 1995, pp. 331-339.
• Kovacevic, R., Cherukuthota, C., and Mazurkiewicz, M., "High Pressure Waterjet Cooling/ Lubrication to Improve Machining Efficiency in Milling," The International Journal of Machine Tools and Manufacture, Vol. 35, No.10, 1995, pp. 1459-1473.
• Kovacevic, R., Mohan, R., Murugesan, M., and Seybert, A., "On-Line Monitoring of the Electric Arc Spraying Process Based on Acoustic Signatures," the Proceedings Instn. Mech. Engrs.,Part B. Journal of Engineering Manufacture, Vol. 209, 1995, pp. 369-379.
• Momber, A. and Kovacevic, R., "Quantification of Energy Absorption Capability in Abrasive Water Jet Machining", the Proc. Instn. Mech. Engrs., Part B. Journal of Engineering Manufacture, Vol. 209, 1995.
• Momber, A., Kovacevic, R., and Ye, J., "The Fracture of Concrete due to Erosive Wear by High Velocity Water Flow," The Tribology Transactions, Vol. 38(3), 1995, pp. 686-692.
• Kovacevic, R., Zhang, Y.M., and Ruan, S., "Sensing and Control of Weld Pool Geometry for Automated GTA Welding," the ASME Journal of Engineering for Industry, 117(2), 1995, pp. 210-222.
• Kovacevic, R., Mohan, R., and Zhang, Y.M., "Cutting Force Dynamics as a Tool for Surface Profile Monitoring in Abrasive Waterjet Cutting," the ASME Journal of Engineering for Industry, 117(3), 1995, pp. 340-350.

Conference Proceedings:

• Momber, A. W. and Kovacevic, R., "Energy Dissipative Processes in High Speed Water- Solid Particle Erosion," ASME, Measurement Techniques in Isothermal and non-Isothermal Multiphase Flows, HTD - Vol. 231/FED - Vol. 233, Ed. by G.L. Chahine and T.J. O'Hern, pp. 243-256, 1995.
•  Li, L . Zhang, Y. M., and Kovacevic, R., "Dynamic Relationship Between the Weld Pool Shape and Weld Penetration," ASME, MD - Vol. 69-2, Ed. by J. Coulter and M. Cengiz Altan, pp. 883-898, 1995.
• Mohan, R., Momber, A., and Kovacevic, R., "Detection of Energy Dissipation During Abrasive Waterjet Machining Using Acoustic Emission," ASME, Manufacturing Science and Engineerng, MED - Vol. 2-1, Ed. by E. Kannatey, pp. 69-85, 1995.
• Momber, A. W., Kovacevic, R., and Eusch, I., "Resisatnce parameters of Rocklike Materials Against Abrasive Waterjet Cutting, Rock Mechanics, ed. Daemen & Schultz, 1995, Baklema, Rotterdam, ISBN 905410 5526, pp. 355-359.
• Kovacevic, R. and Mohan, R., "Effect of High-Speed Grinding Fluid on Surface Grinding Performance,'' the 1st International Machining and Grinding Conference, Dearborn, Ml, Sept.12-14,1995, pp. 917-931.
• Mohan, R., Momber, A., and Kovacevic, R., "Acoustic Emission Measurements on Brittle Materials During Abrasive Waterjet Cutting," the 1st International Machining and Grinding Conference, Dearborn, Ml, Sept.12-14, 1995, pp. 439-458.
• Kovacevic, R., and Mohan, R., "High Pressure Waterjet Application to Improve Performance of Machining Operations," Proceedings of the 8th American Water Jet Conference, Aug. 27- 30, 1995, paper 36, pp. 519-535.
• Momber, A., Kovacevic, R., Pfeiffer, D., and Schuenemann, R., "A Comparative Study of Concrete Behavior During Compression Testing and Waterjet Erosion," Proceedings of the 8th American Water Jet Conference, Aug. 27-30, 1995, paper 60, pp. 809-828.
• Momber, A. and Kovacevic, R., "Experimental Estimation of Energy Dissipative Processes in Workpiece During Abrasive Waterjet Cutting," Proceedings of the 8th American Water Jet Conference, Aug. 27-30, 1995, paper 14, pp. 187-206.
• Momber, A. Kovacevic, R., "A Fracture Model for Hydrodemolition," Proceedings of the 8th American Water Jet Conference, Aug. 27-30, 1995 paper 5, pp. 61-77.
• Momber, A., Eusch, I., and Kovacevic, R., "Cutting Refractory Ceramics with Abrasive Water Jets - Preliminary Investigation," Proceedings of the 8th American Water Jet Conference, Aug. 27-30, 1995, paper 17, pp. 229-244.
• Kovacevic, R. and Zhang, Y. M., "Weld Pool Sensing and Control: 2D Shape and 3D Surface," Proceedings of the International Symposium on Materials Science and Technology, June 4-7, 1995, Harbin, P. R. China.
• Kovacevic, R. and Zhang, Y. M., "Vision Sensing of 3D Weld Pool Surface," The 4th International Conference on Trends in Welding Research, June 5-6,1995, Gatlinburg, TN.
• Kovacevic, R., Zhang, Y. M., Beardsley, H. E., and Erlenbeck, M., "On-Line Sensing of Metal Transfer for Adaptive Control of GMA Welding," Proceedings of the 4th International Conference on Trends in Welding Research, June 5-6, 1995, Gatlinburg, TN.
• Zhang, Y. M., Li, L., and Kovacevic, R., "Monitoring of Weld Pool Appearance for Penetration Control," Proceedings of the 4th International Conference on Trends in Welding Research, June 5-6, 1995, Gatlinburg, TN.
• Kovacevic, R. and Cherukuthota, C., "Improved Grinding Process Efficiency by High Pressure Water Jet Assistance," Proceedings of the First World Congress on Intelligent Manufacturing Processes and Systems, Mayaguez/San Juan, Puerto Rico, February 13- 17,1995, pp.1003-1013.
• Zhang, Y. M., and Kovacevic, R., "Modeling and Real-Time Identification of Weld Pool Characteristics for Intelligent Control," Proceedings of the First World Congress on Intelligent Manufacturing Processes and Systems, Mayaguez San Juan, Puerto Rico, Febr. 13-17, 1995, pp. 1014-1023.

Conference Abstracts:

• Kovacevic, R., Mohan, R., and Zhang, Y. M., "Monitoring of Plasma Arc Welding Process Using Machine Vision and Acoustic Signatures," Abstrac of Papers of the 76th American Welding Society Convention, Apr. 4 - 6, 1995, Cleveland, OH, pp. 115-116.
• Kovacevic, R., Zhang, Y. M., and Beardsley, H. E., "Direct Observation and Real-Time Extraction of 3D Weld Pool Surface," Abstrac of Papers of the 76th American Welding Society Convention, Apr. 4 - 6, 1995, Cleveland, OH, pp. 14-15.
• Zhang, Y. M. and Kovacevic, R., "Dynamic Identification of GTAW Process," Abstract of Papers of the 76th American Welding Society Convention, Apr. 4 - 6, 1995, Cleveland, OH, pp. 15-16.
• Mohan, R., Murugesan, M, and Kovacevic, R., "A New Approach in Investigating Electric Arc Spraying Process," Abstract of Papers of the 76th Annual AWS Convention, Cleveland, OH, April 2-7, 1995, pp. 184-186.

1994

Journal Papers:

• Momber, A. and Kovacevic, R., "Fundamental Investigations on Concrete Wear by High Velocity Water Flow," Wear, Vol. 117, 1994, pp. 55-62.
• Fang, M. and Kovacevic, R., "On-Line Monitoring Surface Quality in Abrasive Waterjet Cutting," the Journal of High Pressure Water Jet, No. 49, 1994, pp. 37-43. (in Chinese)
• Kovacevic, R., "Sensing the Abrasive Waterjet Nozzle Wear," the International Journal of Water Jet Technology, Vol. 2, No. 1, June 1994, pp. 1-10.
• Kovacevic, R., Fang, M. and Beardsley, H.E., "Development of Fuzzy Logic Method to Select Abrasive Waterjet Parameters for Notching Concrete Pavement Slabs," the International Journal of Water Jet Technology, Vol. 2, No. 1, 1994, pp. 28-38.
• Kovacevic, R., Wang, L., and Zhang, Y.M., "Identification of Abrasive Waterjet Nozzle Wear Based on Parametric Spectrum Estimation of Acoustic Signal," the Proc. Instn. Mech. Engrs., Part B. Journal of Engineering Manufacture, Vol. 208,1994, pp. 173-181.
• Beardsley, H. E., Zhang, Y. M., and Kovacevic, R., "Infrared Sensing of Full Penetration State in GTAW," the International Journal of Machine Tools and Manufacture, Vol. 34, No. 8, 1994, pp. 1079-1090.
• Yong, Z., Hanson, M.T., and Kovacevic, R., "Topological Measure of Brittle Fragmentation," the International Journal of Solids and Structure,Vol. 31, No. 3, 1994, pp. 391-415.
• Mohan, R., Kovacevic, R., and Damarla, K., "Real-Time Monitoring of Abrasive Waterjet Nozzle Wear Using Neural Networks Technology," the SME Transactions, Vol. XXII, 1994, pp. 253-258.
• Kovacevic, R. and Fang, M., "Modeling of the Influence of the Abrasive Waterjet Cutting Parameters on the Depth of Cut Based on Fuzzy Rules," the International Journal of Machine Tools and Manufacture, Vol. 34, No. 1, 1994, pp. 55-72.

Conference Proceedings:

• Momber, A. and Kovacevic, "Secondary Fragmentation in Water Jet Cutting of Brittle Multiphase Materials," Water Jet Cutting Technology, Mechanical Engineering Publications Ltd., London, England, 1994, pp.139-150, ed. Allen, N. G.
• Mohan, R., Momber, A., and Kovacevic, R., "On-Line Monitoring of Depth of Abrasive Waterjet Penetration Using Acoustic Emission Technique," Water Jet Cutting Technology, Mechanical Engineering Publications Ltd., London, England, 1994, pp. 649-664, ed. Allen, N. G.
• Zhang, Y. M., Beardsley, H. E., and Kovacevic, R., "Real-Time Image Processing for 3D
  Measurement of Weld Pool Surface," Manufacturing Science and Engineering, PED-Vol. 68- 1, Vol.1, ASME 1994, pp.255-262.
• Zhang, Y.M., Kovacevic, R., and Mohan, R., "Spectral Identification of Abrasive Waterjet Generated Surface", Manufacturing Science and Engineering, PED-Vol. 68-1, Vol. 1, ASME 1994, pp. 325-337.
• Murgeson, M., Mohan, R., Kovacevic, R., and Seybert, A., "Monitoring the Electric Arc- Spraying Process Using Acoustic Signatures," Manufacturing Science and Engineering, PED-Vol. 68-1, Vol.1, ASME 1994, pp. 367-380.
• Momber, A. and Kovacevic, R., "The Influence of Material Instabilities in a Brittle Multiphase Material on Its Behavior in High-Energy Water Jet Machining," Material Instabilities: Theory and Applications, AMD-Vol. 183/MD-Vol. 50, ASME 1994, pp. 327-344.
• Momber, A. and Kovacevic, R., "Calculation of Exit Jet Energy in Abrasive Waterjet Cutting," Manufacturing Science and Engineering, PED-Vol. 68-1, Vol.1, ASME 1994, pp. 361-366.
• Momber, A., Kovacevic, R., and Ye, J., "The Fracture of Concrete due to Erosion Wear by High Velocity Water Flow," Proceedings of the ASME/STL Tribology Conference, Lahaina, Hawaii, Oct. 16-19, 1994, STLE paper 94-TC-5C-1, pp. 1-8.
• Kovacevic R and Zhang, Y.M., "Model-Based Adaptive Vision Control of Weld Pool Area," Proceedings of the American Control Conference, June 29 - July 1,1994, Baltimore, MD, pp. 313-317.
• Zhang, Y.M. and Kovacevic, R., "Order Selection for ARMA Parametric Spectrum Estimation," Proceedings of the American Control Conference, June 29 - July 1, 1994, Baltimore, MD, pp. 768-772.
• Kovacevic, R. and Zhang, Y.M., Adaptive Control of GTA Welding of Sheet Metals," Proceedings of the Fifth International Conference on Computerization of Welding Information, August 10-12, 1994, Golden, CO.
• Zhang Y.M., Kovacevic, R., and Wu, L., "Robust Adaptive Control of Full Penetration Using Weld Depression Feedback," Proceedings of the Fifth International Conference on Computerization of Welding Information, August 10-12,1994, Golden, CO.
• Beardsley, H. E., Kovacevic, R., and Zhang, Y.M. "Development of Fuzzy Logic Controller to Control Complete Weld Penetration," Proceedings of the Fifth International Conference on Computerization of Welding Information, August 10-12,1994, Golden, CO.
• Kovacevic, R., Cherukuthota, C., and Mohan, R., "Improving the Surface Quality by High- Pressure Waterjet Cooling Assistance," Geomechanics 93, edited by Z. Rakowski, A. A. Balkema, Rotterdam,1994, pp. 305-310.

1993

Journal Papers:

• Zhang, Y. M., Kovacevic, R., and Wu, L., "Closed Loop Control of Weld Penetration Using Front-Face Vision System," the Proc. Instn. Mech. Engrs., Journal of Systems and Control Engineering, Vol. 207, 1993, pp. 27-34.
• Kovacevic, R., Mohan, R., and Zhang, Y.M., "Stochastic Modeling of Surface Texture Generated by High-Energy Jets," the Proc. Instn. Mech. Engrs.,Part B, Journal of Engineering Manufacture, Vol. 207, 1993, pp. 129-140.

Conference Proceedings:

• Kovacevic, R. and Zhang, Y.M., "On-Line Fuzzy Recognition of Abrasive Waterjet Nozzle Wear," Jet Cutting Technology, (ISBN No. 0-7923-1979-6) Kluwer Academic Publishers, 1993, pp. 329-345.
• Kovacevic, R., Mohan, R. and Hirscher, J., "Rehabilitation of the Concrete Pavements Assisted with Abrasive Waterjets," Jet Cutting Technology, (ISBN No. 0-7923-1979-6) Kluwer Academic Publishers, 1993, pp. 425-442, ed. Lichtarowicz.
• Kovacevic, R., Mohan, R., and Cherukuthota, C., "High-Pressure Waterjet as a Coolant/Lubricant in Milling Operation," Manufacturing Science and Engineering, ASME, PED - Vol. 64,1993, pp. 733-748.
• Mohan, R., Kovacevic, R., and Zhang, Y.M., "On-Line Monitoring of Surface Profile Generated by AWJ Using Cutting Force Signature," Manufacturing Science and Engineering, ASME, PED - 64, 1993. pp. 719-732.
• Kovacevic, R., Zhang, Y. M., and Ruan, S., "Three-Dimensional Measurement of Weld Pool Surface," Proceedings of the International Conference on Modelling and Control of Joining Processes, Orlando, FL, December 6 - 8,1993, pp. 600-607.
• Beardsley, H.E., Zhang, Y. M., and Kovacevic, R., "Weld Penetration Control with Infrared Sensing and Artificial Intelligence," Proceedings of the International Conference on Modeling and Control of Joining Processes, Orlando, FL, December 6 - 8,1993, pp. 393-400.
• Zhang, Y. M., Kovacevic, R., and Wu, L., "On-Line Measurement of Full Penetration Weld Geometry," Proceedings of the 12th World Congress of the International Federation of Automatic Control, July 18 - 23, 1993, Sydney, Australia, pp. 645-651.
• Kovacevic, R., Wang, L., and Zhang, Y. M., "Detection of AWJ Nozzle Wear Using Acoustic Signature Analysis," Proceedings of the 7th American Water Jet Technology Conference, Aug. 28 - 31, 1993, Seattle. WA, pp. 217-231.

Conference Abstracts:

• Yong, Z., Hanson, M. T., and Kovacevic, R., "Topological Measure of Brittle Fragmentation," Proceedings of the Joint ASCE/ASME/SES Mechanics Conference, Charlottesville, VA, June 6-9 1993.
• Kovacevic R., Zhang, Y. M., and Beardsley, H. E., "Infrared Sensing of Welding Parameters for Weld Penetration Control," Abstract of Papers of the 74th Annual American Welding Society Convention, April. 25 30, 1993, Houston, TX, pp. 9-10.
• Zhang, Y. M., Kovacevic, R., and Wu, L., "Sensing of Full Weld Penetration Based on 3D Vision," Abstract of Papers of the 74th Annual American Welding Society Convention, Apr. 25 - 30,1993, Houston, TX, pp. 8-9.

1992

Journal Papers:

• Zhang, Y.M., Kovacevic, R. and Wu, L., "Sensitivity of Front-Face Weld Geometry in Representing the Full Penetration," the Proc. Instn. Mech. Engrs.,Part B, Journal of Engineering Manufacture, Vol. 206, 1992, pp. 191-197.
• Zhang, Y.M., Kovacevic, R. and Wu, L., "Controlling Welding Penetration in GTAW Using Vision Sensing and Adaptive Control Technique," the SME Transactions Vol. XX, 1992, pp. 317-324.
• Fang, M., Kovacevic, R., and Liu, D., "A Fuzzy Approach to Abrasive Waterjet Cutting Parameters Selection," the Journal of High Pressure Water Jet, No. 2, 1992, (in Chinese), pp. 17-30.
• Kovacevic, R. and Zhang, Y.M., "Identification of Surface Characteristics from Large Samples," the Proc. Instn. Mech. Engrs., Journal of Mechanical Engineering Science, Vol. 206, 1992, pp. 275-284.
• Kovacevic, R., "Monitoring the Depth of Abrasive Waterjet Penetration," the International Journal of Machine Tools and Manufacture, 32(5) 1992, pp. 725-736.

Conference Proceedings:

• Kovacevic, R., Zhang, Y.M., and Beardsley, H. E., “Spectral-Based Order Determination for Autoregressive Models,” Proceedings of the International Conference on DSP Applications and Technology, Cambridge, MA, Nov. 2-5, 1992, pp. 154-160.
• Kovacevic, R. and Speck, H.J., "Generation of NC-Data from Solid Modeling CAD-Systems for Abrasive Waterjet Cutting and Milling," Proceedings of the SME's AUTOFACT'92 Conference, November 10-12, 1992 Detroit, Ml, pp. 22-51, MS92-326.
• Mohan, R., Kovacevic, R. and Zhang, Y., "Characterization of the Surface Texture Generated by the High-Energy Jets," Engineered Surfaces, ASME, PED Vol. 62,1992, pp. 203-218.
• Zou, H.J., Wang, L., and Kovacevic, R., "Measurement and Theoretical Analysis of Elastic Locus of High-Speed Mechanism," ASME, DE, Flexible Mechanisms, Dynamics, and Analysis, Vol. 47, 1992, pp.593-597.
• Wang, L., Kovacevic, R., and Zou, H.J., "An Experimental Study of Elastic Mechanism with Lumped Mass and Inertia Moment," ASME, DE, Flexible Mechanisms, Dynamics, and Analysis, Vol. 47, 1992, pp.609-612.

1991

Journal Papers:

• Kovacevic, R., "A New Sensing System to Monitor Abrasive Waterjet Nozzle Wear," the Journal of Materials Processing Technology, 28 (1991), pp. 117-125.
• Kovacevic, R., "Surface Texture in Abrasive Waterjet Cutting," The SME's Journal of Manufacturing Systems, Volume 10/No. 1,1991, pp. 32-40.

Conference Proceedings:

• Kovacevic, R., "Detection of Abrasive Waterjet Nozzle Wear by Using Time Series Modeling Technique," SME Transactions 1991, pp. 96-100.
• Kovacevic, R., "Development of Opto-Electrc Sensing System to Monitor the Abrasive Waterjet Nozzle Wear," Sensors, Controls, and Quality Issues in Manufacturing, ASME, PED, Vol. 55, 1991, pp. 73-81.
• Kovacevic, R., "A New Sensing System to Monitor Abrasive Waterjet Nozzle Wear," Computer Aided Production Engineering, Edited by V.C. Venkatesh and J.A. McGeough, Elsevier,1991, pp.117-125.