Finely divided silicon carbide having a high content of 2H-type

Details Finely divided silicon carbide having a high content of 2H-type Finely divided silicon carbide having a high content of 2H-type

1982-09-30

1985-05-14

Cooper, Jack

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 90, 501 91, 264 65, 423345, 423346, C01B 3136, C04B 3556

Patent

active

045173052

ABSTRACT:
Finely divided silicon carbide containing at least 10% by weight of 2H-type silicon carbide is very easily sinterable and can be sintered into a sintered body having a density of at least 85% of the theoretical density by sintering or a hot pressing at a temperature lower than the sintering temperature of ordinary .beta.-type submicron silicon carbide.

REFERENCES:
patent: 3813340 (1974-05-01), Knippenberg et al.
patent: 3836673 (1974-09-01), Weaver
patent: 3960619 (1976-06-01), Seiter
patent: 4108929 (1978-08-01), Prochazka
Merz et al., "Chem. Abstracts", P.10885C, 1959.
Sokhor et al., "Chem. Abstracts", P.5046b, 1965.
Pandex et al., "Chem. Abstracts" P.180455a, 1978.

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