Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...
Patent
1993-09-20
1994-11-29
Ryan, Patrick J.
Stock material or miscellaneous articles
Self-sustaining carbon mass or layer with impregnant or...
428366, 428367, 428446, 428450, 428688, 428689, 428697, 428698, 428704, 428902, 427228, 427299, 427402, B32B 900, B32B 3100
Patent
active
053689402
ABSTRACT:
A carbon composite material reinforced with a carbon fiber and an inorganic fiber. The composite material has a core formed of a carbon fiber-reinforced carbon composite comprising a carbon fiber reinforcement and a carbon matrix, The core is externally covered with an inorganic fiber-reinforced carbon composite comprising an inorganic fiber reinforcement, other than carbon, and a matrix composed either of carbon alone or a mixture of carbon and boride. This provides for sound and steady protection against oxidation, as well as for retention of high strength in an oxidizing atmosphere at high temperatures.
REFERENCES:
patent: 4795677 (1989-03-01), Gray
patent: 4894286 (1990-01-01), Gray
patent: 5094901 (1992-03-01), Gray
Kinugawa Isao
Takei Makoto
Tamura Mamoru
Tashiro Seiichi
Farley Joseph W.
Ohwada Carbon Industrial Co., Ltd.
Ryan Patrick J.
Weisberger Richard C.
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