Silicon nitride/boron nitride composite with enhanced fracture t

Details Silicon nitride/boron nitride composite with enhanced fracture t Silicon nitride/boron nitride composite with enhanced fracture t

1985-06-26

1994-06-28

Walsh, Donald P.

Compositions: ceramic

Ceramic compositions

Refractory

264 65, 264 66, C04B 3558

Patent

active

053246942

ABSTRACT:
The invention relates to silicon nitride composite articles having improved fracture toughness prepared by forming a composition including small amounts of boron nitride powder in a silicon nitride powder base and processing the composition.

REFERENCES:
patent: 3813252 (1974-05-01), Lipp
patent: 3833389 (1974-09-01), Komeya et al.
patent: 4284432 (1981-08-01), Nishida et al.
patent: 4322249 (1982-03-01), Claussen et al.
patent: 4407971 (1983-10-01), Komatsu et al.
patent: 4412009 (1983-10-01), Komatsu et al.
patent: 4440707 (1984-04-01), Shimamori et al.
patent: 4542072 (1985-09-01), Hsieh
patent: 4578087 (1986-03-01), Tanaka et al.

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