Carbon fiber-reinforced carbon composite material

Details Carbon fiber-reinforced carbon composite material Carbon fiber-reinforced carbon composite material

1989-07-18

1991-12-31

Kendell, Lorraine T.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

427228, 428297, 4283044, 428367, B32B 900

Patent

active

050771302

ABSTRACT:
A carbon fiber-reinforced carbon composite material having a porosity of not higher than 20% prepared by subjecting a carbon fiber-reinforced carbon composite material having a porosity of from 25 to 95% to densification treatment, wherein the densification treatment is conducted with pyrolytic carbon formed by the pyrolysis of a halogenated hydrocarbon-containing gas at a temperature of from 400.degree. to 800.degree. C.

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patent: 4048953 (1977-09-01), Froberg
patent: 4178413 (1979-12-01), DeMunda
patent: 4339021 (1982-07-01), Kosuda et al.
patent: 4366191 (1982-12-01), Gistinger et al.
patent: 4425256 (1984-01-01), Pilipski
World Patents Index Latest, database, Derwent Pub. Ltd., London, GB, Ascession No. 87-052907, week 08, and Japanese A 62 007 668 (Mitsubishi Chem. Ind. KK) 14-01-1987.
Agency of Industrial Science and Technology, DE-B-1 246 510; col. 3, line 58, col. 4, line 12; claims 1, 2, col. 4, lines 18-24, Example 2.

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