Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1978-06-08
1980-09-30
Meros, Edward J.
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
106 56, 264 291, 423449, C01B 3102
Patent
active
042255694
ABSTRACT:
The present invention provides a carbon-carbon composite material consisting of a matrix carbon and a fibrous reinforcing carbon, said matrix carbon and fibrous carbon consisting substantially of amorphous carbon and forming an interface without an intervening third material, wherein said composite material has a fracture surface showing a uniform vitreous light reflection, but when it is used as an anode and electrolytically etched in sulfuric acid-acidified water, a difference in the degree of etching arises between the matrix carbon and the fibrous carbon, and a method for the preparation thereof. The composite material has a high flexural strength and a very low gas permeability and is useful as a molding material in the fields of high temperature chemistry, the atomic energy industry and medicine.
REFERENCES:
patent: 3109712 (1963-11-01), Redfern
patent: 3814642 (1974-06-01), Araki et al.
patent: 4039341 (1977-08-01), Cooper et al.
Bradshaw et al., "11th Biennial Conference on Carbon Extended Abstracts and Program" Jun. 1973, pp. 271-272.
Jenkins et al., Proc. R. Soc. Lond. A.327 (1972), pp. 501-517.
Ito Takashi
Matsui Hironori
Kanebo Ltd.
Meros Edward J.
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