This study aims to investigate the microstructure evolution and wear mechanism of laser-clad TC4-WC coating, TC4 coating and TC4 alloy.
This study investigates the microstructure evolution and wear mechanism of laser-clad TC4-WC coating, TC4 coating and TC4 alloy by using scanning electron microscope/electron backscatter diffraction, energy dispersive spectroscopy, X-ray photoelectron spectroscopy.
Laser-clad TC4-WC coating is mainly composed of β-Ti, WC, W2C, TiC and a small amount of W. TC4 coating is mainly composed of a-Ti and acicular a’ martensite. The wear mechanism of the TC4-WC coating is the synergistic mechanism of abrasive, oxidation and adhesive wear, while that of TC4 coating and TC4 alloy is the synergistic mechanism of abrasive and adhesive wear.
This study provides data support for understanding the wear behavior and mechanism of laser-clad TC4-WC coating, TC4 coating and TC4 alloy.
