S. Babu, Edison Welding Institute, Columbus, OH; S. Kelly, Oak Ridge National Laboratory, Oak Ridge, TN; R. P. Martukanitz, The Pennsylvania State University, State College, PA; M. Murugananth, Tata Steel Company, Jamshedpur, India

Summary: A numerical heat-transfer model was coupled with computational thermodynamics and kinetics model to describe the dissolution of hard particles during laser surface alloying. Using these models, a new method of producing hard coatings with nitrogen shielding was developed.