Carbon fiber structure and process for producing the same

Details Carbon fiber structure and process for producing the same Carbon fiber structure and process for producing the same

1991-01-25

1993-10-19

Ryan, Patrick J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

427249, 427113, 4272481, 4272552, 4234474, 4234477, 4234478, 28104, 28107, 428227, 428244, 428259, 428280, D01F 9145, C04B 3552

Patent

active

052543960

ABSTRACT:
An infusiblized, or infusiblized and slightly carbonized fiber of optically anisotropic pitch type is combined with a phenolic resin fiber to produce a high bulk density carbon fiber structure in the form of a laminate of mutually entangled carbon fiber sheets with improved handleability of fiber sheets and improved stability of a laminate structure formed through entanglement. A high flexural strength carbon-carbon composite material with a high volume fiber content is produced by impregnation with a precursor of carbon and subsequent carbonization of the carbon fiber structure of the kind as described above or a fiber laminate of mutually entangled sheets of the infusiblized, or infusiblized and slightly carbonized fiber of optically anisotropic pitch type blended with the phenolic resin fiber.

REFERENCES:
patent: 3769144 (1973-10-01), Economy et al.
patent: 3903220 (1975-09-01), Economy et al.

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