Process for producing high strength carbon-carbon composite

Details Process for producing high strength carbon-carbon composite Process for producing high strength carbon-carbon composite

1988-09-21

1990-12-04

Chaudhuri, Olik

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423449, 264 291, 264 295, C01B 3102

Patent

active

049752618

ABSTRACT:
A process for producing a high density, high strength carbon-carbon composite which does not require high cost secondary reinforcement treatment. This process comprises impregnating an aggregate such as a bundle of a carbon fiber with a liquid dispersion of a carbonaceous material of specified size of a fine powder or a short fiber of carbonaceous material to form a reinforcement material of a carbon fiber having the fine powder or the short fiber of a carbonaceous material distributed on the surface as well as in the inside of said bundle of a carbon fiber, and impregnating said aggregate of a carbon fiber with one or more liquid carbonaceous material selected from the group consisting of a phenolic resin, a furan resin and a pitch and carbonizing the impregnated bundle of a carbon fiber, and if necessary, graphitizing the carbonized product.

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