Microstructure and wear properties of laser clad TiCo/Ti2Co intermetallic coatings on titanium alloy

Wear resistant TiCo/Ti2Co dual-phase intermetallic coatings were fabricated on a titanium alloy by laser cladding. Microstructure of the coatings consists of isolated irregular block-like TiCo primary phase in the Ti2Co matrix. The coatings have high hardness and excellent abrasive and adhesive wear resistance under dry sliding wear test conditions.