Sintered silicon nitride

Details Sintered silicon nitride Sintered silicon nitride

1990-12-18

1992-06-09

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501 98, C04B 3558

Patent

active

051206854

ABSTRACT:
Low cost sintered silicon nitride suitable for use as a structural ceramic is provided. Certain low grade silicon nitride powders can be used to produce low cost sintered silicon nitride bodies having good mechanical properties. Compositions using such silicon nitride powders in combination with various sintering aids are also disclosed.

REFERENCES:
patent: 4511525 (1985-04-01), Tsuge et al.
patent: 4609633 (1986-09-01), Fukuhara et al.
patent: 4692419 (1987-09-01), Matsui et al.
patent: 4708943 (1987-11-01), Hsieh et al.
patent: 4764490 (1988-08-01), Yamakawa et al.
patent: 4806510 (1989-02-01), Kanai et al.

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