Method of molding a carbon-carbon composite

Details Method of molding a carbon-carbon composite Method of molding a carbon-carbon composite

1990-08-27

1991-04-23

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Controlling varying temperature or plural heating steps

264 291, 264313, 264325, B29C 4310

Patent

active

050098233

ABSTRACT:
A method of making a high strength carbon-carbon utilizing a solid flowable particulate polymer as a pressurizing medium. A resin impregnated carbon fiber reinforced prepreg is disposed in a pressure vessel and the vessel is substantially filled with a solid flowable particulate polymer. The prepreg is exposed to sufficient temperatures and pressures to cure the prepreg to form a carbon-carbon precursor which is subsequently exposed to temperature and pressures sufficient to post-cure the carbon-carbon precursor. The post-cured carbon-carbon precursor is exposed to temperatures and pressures sufficient to carbonize said post-cured carbon-carbon precursor to form a carbon-carbon composite.

REFERENCES:
patent: 3054769 (1962-12-01), Pike
patent: 3068194 (1962-09-01), Pike
patent: 4070343 (1978-01-01), Kishimoto et al.
patent: 4409048 (1983-10-01), Hatch et al.
patent: 4581391 (1986-04-01), Baldwin et al.
patent: 4686271 (1987-08-01), Beck et al.

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