Ceramic article having wear resistant coating

Details Ceramic article having wear resistant coating Ceramic article having wear resistant coating

1990-03-05

1992-08-18

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

428420, 428698, 428704, B32B 3300

Patent

active

051398761

ABSTRACT:
Means are disclosed to provide a ceramic article with a protective coating which resists mechanical wear at elevated temperatures up to 500.degree. C. and higher. The coating is applied by first chemically depositing activating metal ions on the uncoated ceramic surface and thereafter vapor depositing an adherent organic polymer lubrication film on the activated surface. Ceramic materials provided with such protective coating include silicon carbide, silicon nitride and vitreous silica.

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patent: 4020236 (1977-04-01), Aonuma
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patent: 4465337 (1984-08-01), Baron et al.
patent: 4532149 (1985-07-01), McHargue
patent: 4536444 (1985-08-01), Sumiya
patent: 4582746 (1986-04-01), Shirahata
patent: 4613548 (1986-09-01), Lum
patent: 4761334 (1988-08-01), Sagoi et al.
patent: 4871625 (1989-10-01), Dekura

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