Sliding member

Details Sliding member Sliding member

2006-03-23

2009-12-08

Zimmerman, John J (Department: 1794)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C384S042000, C384S912000

Reexamination Certificate

active

07629058

ABSTRACT:
A sliding member has a coating layer deposited on a base material through an intermediate layer, wherein the intermediate layer is formed of a lead-free metal, and the coating layer is formed of Bi or a lead-free Bi alloy; and wherein a grain in the intermediate layer becomes gradually large toward a coating layer side from a base material side, and a grain in the coating layer forms a columnar grain of which the major axis directs toward the surface of the coating layer from the intermediate layer side. Thus formed configuration improves a bonding strength between the base material and the coating layer owing to the intermediate layer, and has the grain of the coating layer formed into a desirable shape for bearing a load from an opposite material to improve fatigue resistance.

REFERENCES:
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patent: 6863441 (2005-03-01), Kawachi et al.
patent: 6997612 (2006-02-01), Kawachi et al.
patent: 7063897 (2006-06-01), Kawachi et al.
patent: 7128981 (2006-10-01), Kawachi et al.
patent: 11-50296 (1999-02-01), None
patent: 2003-156045 (2003-05-01), None
patent: 2004-308883 (2003-11-01), None
patent: 2005-097704 (2005-04-01), None

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