Binderless carbides for tribological applications

Details Binderless carbides for tribological applications Binderless carbides for tribological applications

1995-12-11

1998-07-28

Speer, Timothy

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Including a second component containing structurally defined...

428328, 428698, 501 87, 501 99, B32B 1700

Patent

active

057860769

ABSTRACT:
A corrosion resistant material contains essentially WC, and 0.1 to 10 weight-%, preferably 0.5 to 5 weight-%, of one or more of the metallic carbides TiC, VC, NbC, TaC, Cr.sub.3 C.sub.2, ZrC or combinations thereof or with WC, and either spherical graphite and/or spherical hexagonal BN up to 10 volume-% with a size of about 3 .mu.m or 1-5 weight % of one or more of VN, Ti(C,N), CrN, ZrN. In applications with sliding surfaces, it has been found that the material has surprising results regarding low friction characteristics.

REFERENCES:
patent: 5278109 (1994-01-01), Ono et al.
patent: 5334561 (1994-08-01), Matsui et al.
patent: 5434112 (1995-07-01), Matsui et al.

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