High temperature sliding element and method for preventing high

Details High temperature sliding element and method for preventing high High temperature sliding element and method for preventing high

1986-10-16

1990-02-20

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Composite

Of metal

428698, C04B 4187

Patent

active

049025767

ABSTRACT:
A high temperature sliding element is provided with a metallic film formed of any one of metals Ni, Mn, Cr, Fe and Co, and alloys of these metals on a sliding surface of a substrate of carbide ceramics or nitride ceramics in accordance with physical vapor deposition. When the substrate and a sliding counterpart ceramic member are slid in a high temperature atmosphere 500.degree. C. or higher with the metallic film intervening therebetween, wear due to sliding motion between the substrate and the counterpart ceramic member can effectively be reduced. The metallic film forms an oxidized sliding surface layer at the high temperature.

REFERENCES:
patent: 3922444 (1975-11-01), Nakamura
patent: 4169637 (1979-10-01), Voitas
patent: 4260658 (1981-04-01), Erickson
patent: 4312899 (1982-01-01), Lahmann
patent: 4492765 (1985-01-01), Buljan
patent: 4522453 (1985-06-01), Lammer et al.

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