Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1981-09-16
1983-08-16
Czaja, Donald E.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
264 291, 264 293, 423449, 4251742, 4251746, B06B 300
Patent
active
043990835
ABSTRACT:
A method of and an apparatus for making a composite carbon material from a precompact of granular carbons of different kinds or origins. A localized region of the carbon precompact is subjected to simultaneous heating by electric current flow from a current source at a temperature of 1800.degree. to 3500.degree. C. and pressurization at a pressure of 500 to 5000 kg/cm.sup.2, both being applied preferably impulsively. The localized region subjected to the simultaneous heating and pressurization is displaced so as to be controlledly crystallized and to control the formation of crystalline vacancies therein.
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Czaja Donald E.
Dubno Herbert
Inoue-Japax Research Incorporated
Ross Karl F.
Thompson W.
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