Effect of carbide grain size on microstructure and sliding wear behavior of HVOF-sprayed WC–12% Co coatings

• Published in: Wear Vol. 254; no. 1; pp. 23 - 34
• Main Authors: Yang, Qiaoqin, Senda, Tetsuya, Ohmori, Akira
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 2003; Amsterdam Elsevier Science; New York, NY
• Subjects: Applied sciences; Exact sciences and technology; Friction; Friction, wear, lubrication; Grain size; HVOF; Machine components; Mechanical engineering. Machine design; Thermal spray; WC–Co coating; Wear; Wear mechanism; Grain size; Wear mechanism; Friction; Wear; Thermal spray; WC–Co coating; HVOF; Tungsten carbide; Sliding wear; Wear test; HVOF spraying; Hot spraying; Experimental study; Cobalt; Dry friction; Tribological coatings; Friction test; Microstructure; Sliding friction; Flame spraying; Tribology

In order to examine the effect of carbide grain size on the wear behavior of WC–Co coatings, coatings with low degree of decomposition of WC were thermally sprayed by a high-velocity oxy-fuel (HVOF) system from three agglomerated WC–12% Co powders with various carbide size distributions. Characteriz...