Laser coating of titanium carbide and titanium boride on aluminium substrate

Abstract

Laser coating is an advanced material processing technology that has potential to deposit various materials locally on non-planar and complex surfaces. It can be used to refurbish or improve characteristics like corrosion, wear and other surface related properties of the components (base metal and coating material). Surface hardness, wear resistance and corrosion resistance are the main properties that we consider in this study. In present study, a pulsed Nd:Yag laser will be used to deposit TiC and TiB2 on the base metal (aluminium). Thus produced laser coating samples will be subjected to various mechanical (hardness, wear resistance) and metallurgical (microstructure and composition by XRD and Optical microscopy) analyses by changing different laser coating parameters such as laser power, laser scan speeds, frequency etc