Preceramic compositions and ceramic products

Details Preceramic compositions and ceramic products Preceramic compositions and ceramic products

1990-01-17

1993-03-23

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Silicon containing other than solely as silicon dioxide or...

556412, 528 22, G09K 1502

Patent

active

051960591

ABSTRACT:
Preceramic compositions which are useful in providing protective ceramic coatings on silica foams, carbon/carbon composites, graphite, and other materials are prepared by dispersing about 0-3 parts by weight of aluminum-silicon eutectic, about 0-4 parts by weight of silicon carbide, about 1.5-5 parts by weight of silicon boride, and about 0.4-5 parts by weight of silicon metal in a solution of one part by weight of a polysilazane in an organic solvent.

REFERENCES:
patent: 4482669 (1984-11-01), Seyferth et al.
patent: 4873353 (1989-10-01), Niebylski
patent: 4910173 (1990-03-01), Niebylski

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