Impact Wear Behavior of the Valve Cone Surface after Plasma Alloying Treatment
Changzeng Luo,
Yajun Yao,
Dongbo Wei
et al.
Abstract:Valves are prone to wear under harsh environments, such as high temperatures and reciprocating impacts, which has become one of the most severe factors reducing the service life of engines. As a lightweight ceramic, CrN is considered an excellent protective material with high-temperature strength and resistance to wear. In this study, a CrN coating was applied onto the valve cone surface via double-layer glow plasma surface metallurgy technology. The formation process, microstructure, phase composition, hardne… Show more
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