Method for manufacturing high-strength sintered silicon carbide

Details Method for manufacturing high-strength sintered silicon carbide Method for manufacturing high-strength sintered silicon carbide

1985-04-09

1985-12-31

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

419 17, 419 32, 419 36, 419 37, 419 38, 419 39, 419 40, 419 41, 419 54, 419 57, 75238, 75244, 75254, 75950, 501 88, 501 90, B22F 326

Patent

active

045620407

ABSTRACT:
The present invention relates to a method for manufacturing a high-strength sintered silicon carbide article and more particularly, to a method for a sintered silicon carbide article having high mechanical strength by mixing a finely divided silicon carbide powder with the definite amounts of a specific carbon-containing material, a boron compound and silicon powder as densification aids, shaping and then sintering said shaped article under an inert atmosphere.

REFERENCES:
patent: 4124667 (1978-11-01), Coppola et al.
patent: 4131460 (1978-12-01), Orford
patent: 4179299 (1979-12-01), Coppola et al.
patent: 4230497 (1980-10-01), Schwetz et al.
patent: 4312954 (1982-01-01), Coppola et al.
patent: 4346049 (1982-08-01), Coppola et al.
patent: 4443404 (1984-04-01), Tsuda et al.
patent: 4486543 (1984-12-01), Leimer et al.
patent: 4495122 (1985-01-01), Leimer et al.

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