Process for producing articles of carbon-silicon carbide composite material and carbon-silicon carbide composite material
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United States of America Patent
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Jun 3, 1997
Grant Date -
N/A
app pub date -
Jun 26, 1995
filing date -
Dec 30, 1992
priority date (Note) -
Expired
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Abstract
The invention relates to the field of structural materials intended for operation under conditions of thermal loading in oxidizing media and useful in working units and equipment for petroleum, chemical, aircraft, and metallurgy industries. The invention makes it possible to obtain a material having increased strength properties, heat resistant to oxidizers at a temperature over 1100.degree. C. and ensuring a desired serviceability of parts without additional protective coatings under these conditions. This is attained due to producing a material being a composition of two interpenetrating skeletons: carbon fibers and silicon carbide disposed all through the material structure; the silicon carbide skeleton being the result of interaction between the matrix carbon and silicon self-propagating from outside. The process if characterized by a relatively short production cycle associated with singly conducted operations.
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