Method of producing low friction under high vacuum on a ceramic

Details Method of producing low friction under high vacuum on a ceramic Method of producing low friction under high vacuum on a ceramic

1989-11-27

1992-03-24

Seidleck, James J.

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

428408, 428688, 428698, 428704, B32B 3300

Patent

active

050987895

ABSTRACT:
Novel ceramic or metal-ceramic articles having a low friction surface are produced by a tribochemical method. The low friction surface is produced by wear scarring under high vacuum opposing, articulating ceramic or metal-ceramic surfaces until low friction is obtained. The invention is useful in the preparation of bearings for use in outer space.

REFERENCES:
patent: 3641990 (1972-02-01), Kinnersly
patent: 4666318 (1987-05-01), Harrison
patent: 4728582 (1988-03-01), Comans
patent: 4731302 (1988-03-01), Weissmantel
Asle Transaction, vol. 22, 3 245-256 (1978).
Wear, 105, 29-45 (1985).
NASA Technical Memorandum 81547 (1981).

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