Silicon carbide-carbon composite molded product and process for

Details Silicon carbide-carbon composite molded product and process for Silicon carbide-carbon composite molded product and process for

1985-06-03

1986-10-21

Bell, James J.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

428367, 428408, 501 95, C04B 3556

Patent

active

046185917

ABSTRACT:
A molded product consisting mainly of silicon carbide and a process for mfacturing the same. This invention is to provide a product having a desired or complicated shape and a process which enables the manufacture of any such product at a drastically lower temperature than any conventional process. This object is attained by applying an organic silicon polymer having a skeleton composed mainly of carbon-silicon bonds by impregnation or adherence to a base material having a desired shape, and by burning the base material at a temperature of 700.degree. C. to 2,000.degree. C. in a vacuum or in a nonoxidizing gas atmosphere. The product of this invention has a fibrous, granular and/or filmy carbon structure in the matrix consisting mainly of SiC. The product of this invention is useful for a wide variety of applications, for example, for making heat-resistant structural members of electronic devices.

REFERENCES:
patent: 3969124 (1976-07-01), Steuart
patent: 4039341 (1977-08-01), Cooper et al.
patent: 4117057 (1978-09-01), Yajima et al.
patent: 4225569 (1980-09-01), Matsui et al.
patent: 4321154 (1982-03-01), Ledru

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