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US 12,135,059 B2Granted
Sliding member and member for internal combustion engine
AssigneesNissan Motor Co., Ltd., Fukuda Metal Foil & Powder Co., Ltd.
InventorsYoshinori Izawa, Junichi Arai, Katsunori Otobe, Shinichi Nishimura
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Abstract
A sliding member of the present invention includes a base material and a coating layer that is formed on the base material. The coating layer includes a particle aggregate that contains precipitation hardened copper alloy particles. The precipitation hardened copper alloy particles contain cobalt (Co) and silicon (Si). The sliding member has high coating strength and superior wear resistance.
Claims10
A sliding member comprising:
- a base material;
- and
- a coating layer that is formed on the base material,
- the coating layer including a particle aggregate that contains precipitation hardened copper alloy particles formed by cold spraying unmelted solid particles in a supersaturated solid solution state on the base material, and
- the precipitation hardened copper alloy particles containing cobalt (Co) and silicon (Si).
2 more elements
Dependencies are inferred from the claim text.