Ceramic coatings

Details Ceramic coatings Ceramic coatings

1988-03-04

1992-11-24

Marquis, Melvyn I.

Stock material or miscellaneous articles

Composite

Of silicon containing

501 88, 501 97, 427226, 427227, 524442, 524443, 524789, 524484, 428447, B32B 904

Patent

active

051660016

ABSTRACT:
Preceramic compositions which are useful in providing protective ceramic coatings on carbon/carbon composites, graphite, and other carbonaceous materials are prepared by dispersing about 0.4-1.5 parts by weight of silicon carbide, silicon nitride, or a mixture thereof in a solution of one part by weight of a polysilazane in about 2.5-10 parts by weight of a liquid aromatic hydrocarbon.

REFERENCES:
patent: 4397828 (1983-08-01), Seyferth et al.
patent: 4482669 (1984-11-01), Seyferth et al.
patent: 4645807 (1987-02-01), Seyferth et al.
patent: 4650837 (1987-03-01), Seyferth et al.
patent: 4659850 (1987-04-01), Arai et al.
patent: 4689252 (1987-08-01), Lebrun et al.
patent: 4720532 (1988-01-01), Seyferth et al.

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