Silicon nitride sintered body

Details Silicon nitride sintered body Silicon nitride sintered body

1994-12-22

1996-06-04

Group, Karl

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 97, C04B 35577, C04B 35596

Patent

active

055232680

ABSTRACT:
A silicon nitride sintered body includes silicon nitride as a principal component, silicon carbide dispersed therein and at least one of boron and boron compounds in an amount of from 0.005 to 0.5% by weight in terms of the weight of boron with respect to the total weight of the sintered body. The addition of boron or boron compounds improves the high-temperature characteristics such as creep resistance of the sintered body.

REFERENCES:
patent: 4800182 (1989-01-01), Izaki et al.
patent: 4837231 (1989-06-01), Endo et al.
patent: 5178809 (1993-01-01), Takahashi et al.
patent: 5196386 (1993-03-01), Furuse et al.
patent: 5238882 (1993-08-01), Takahashi et al.

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