Numerical Simulation of Laser Cladding

  • PROCESS DESCRIPTION
    SMU’s Center for Laser Aided Manufacturing (CLAM) has been developing numerical simulation models for heat and mass transfer processes in the laser material processing, cladding, heat treatment and welding, as well as the erosion model of coated surface impacted by solid particles. These simulation techniques provide the end-user with the optimized process parameter windows using only a limited number of experiments.
   
 Temperature distribution of laser cladding Fluid flow in the molten pool of laser cladding 
  • CLAM CAPABILITIES
    • Heat management of laser cladding as well as laser direct deposition manufacturing
    • Fluid flow and surface evolution track of the molten pool in the laser cladding process
    • Solute diffusion due to the convection of liquid phase in the molten pool in the laser cladding of surface coating
    • Residual stress prediction and metallurgical analysis of clad materials
    • Grain growth prediction in the solidified clad zone by using Finite Element-Monte Carlo (FE-MC) model
    • Erosion model of surface coatings by solid particles impact
    • Development of user friendly interface for parameters optimization in laser cladding and for simulating the erosion process by impacting the laser coated surface
   
 Development of a user friendly interface for parameters
optimization in the erosion process		 Simulation of erosion process of surface coatings by solid particle impact 
  • RECENT PUBLICATIONS
    • Fanrong Kong, Radovan Kovacevic. Modeling of heat transfer and fluid flow in the laser multilayered cladding process. Metallurgical and Materials Transactions B, 2010, 41(6): 1310-1320.
    • S. Santhanakrishnan, Fanrong Kong, and Radovan Kovacevic. An experimentally-based thermo-kinetic hardening model for high power direct diode laser cladding. Journal of Materials Processing Technology. 2011, 211 (7): 1247-1259.