Method of producing high-strength .beta.-type silicon carbide si

Details Method of producing high-strength .beta.-type silicon carbide si Method of producing high-strength .beta.-type silicon carbide si

1991-09-30

1993-03-09

Group, Karl

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 90, C04B 3556

Patent

active

051927195

ABSTRACT:
A high-density and high-strength .beta.-type silicon carbide sintered body, in which crystal grains are made uniform and fine by adjusting the compounding ratio of the sintering aid and further taking a special means at the sintering step while suppressing the inclusion of .alpha.-SiC into the starting powder as far as possible during the production of the silicon carbide sintered body.

REFERENCES:
patent: 4004934 (1977-01-01), Prochazka
patent: 4342837 (1982-08-01), Suzuki et al.
patent: 4502983 (1985-03-01), Omori et al.
patent: 4579704 (1986-04-01), Tanaka et al.
patent: 4853299 (1989-08-01), Mizutani et al.
Hara et al., Silicon Carbide Sintered Bodies and Their Method of Preparation, Mar. 1984: translation.

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