Sliding member

Details Sliding member Sliding member

1999-06-14

2000-10-31

Turner, Archene

Stock material or miscellaneous articles

Composite

Of inorganic material

148317, 277440, 277442, 277443, 277444, 428657, 428699, 428704, B32B 1504, F16J 926

Patent

active

061399841

ABSTRACT:
An object of the present invention is to provide a sliding member which is coated a film having superior wear resistance, superior scuffing resistance and a superior property not to increase an amount of wear on an opponent material (an opponent attacking property). This object can be achieved by providing a sliding member coated by a Cr--V--B--N alloy film 4 on an outer surface 3 thereof. In this case, it is preferable that the Cr--V--B--N alloy film is formed through a physical vapor deposition, particularly ion plating, vacuum deposition, or sputtering. Further, it is preferable that V (Vanadium) content is within the range of 0.1-30 wt. % and the boron (B) content is within the range of 0.05-20 wt. %. Since the Cr--V--B--N alloy film 4 formed on the outer surface 3 of the sliding member has superior wear resistance, superior scuffing resistance and a superior opponent attacking property, it is possible to provide the sliding member which satisfies demand characteristics even when the sliding member are subjected to the harsh operating environments. Further, it is preferable that nitriding layer 5 is formed on a whole surface or at least an outer surface 3 of the sliding member, and the Cr--V--B--N alloy film 4 is covered on the nitriding layer 5.

REFERENCES:
patent: 4486285 (1984-12-01), Aubert et al.
patent: 4895770 (1990-01-01), Schintlmeister et al.
patent: 5316321 (1994-05-01), Ishida et al.
patent: 5318840 (1994-06-01), Ikeda et al.
patent: 5449547 (1995-09-01), Miyazaki et al.
patent: 5587227 (1996-12-01), Ooya
patent: 5743536 (1998-04-01), Komuro et al.
patent: 5851680 (1998-12-01), Heau

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