Silicon carbide sintered body and method of producing the same

Details Silicon carbide sintered body and method of producing the same Silicon carbide sintered body and method of producing the same

1988-06-27

1989-08-08

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 88, 501 90, 501 96, C04B 3556, C04B 3558

Patent

active

048552631

ABSTRACT:
A silicon carbide sintered body containing given amounts of Mg, B and free carbon and having a density of not less than 2.80 g/cm.sup.3 is produced by adding given amounts of magnesium boride and carbon to silicon carbide powder having an average grain size of not more than 5 .mu.m, shaping and firing at 1,900.degree..about.2,300.degree. C. under vacuum or in an inert gas atmosphere.

REFERENCES:
patent: 4041117 (1977-08-01), Prochazka
patent: 4124667 (1978-11-01), Coppola et al.
patent: 4209474 (1980-06-01), Prochazka
patent: 4524138 (1985-06-01), Schwetz et al.
patent: 4537735 (1985-08-01), Enomoto et al.

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