Silicon nitride powder of low oxygen content

Details Silicon nitride powder of low oxygen content Silicon nitride powder of low oxygen content

1989-08-21

1991-01-08

Straub, Gary P.

Chemistry of inorganic compounds

Silicon or compound thereof

Binary compound

501 97, C01B 2168, C04B 3558

Patent

active

049833715

ABSTRACT:
Si.sub.3 N.sub.4 powder wherein the total oxygen content of the powder is 0.4% by weight or less is produced by preparing an amorphous Si.sub.3 N.sub.4 intermediate by reacting a Si-containing compound with an N-containing compound and the intermediate is then crystallized wherein "P", multiplication product of

REFERENCES:
patent: 4284432 (1981-08-01), Nishida et al.
patent: 4341874 (1982-07-01), Nishida et al.
patent: 4405589 (1983-09-01), Twai et al.
patent: 4640903 (1987-02-01), Matsuhiro et al.
Ceramic materials and components for Engines Proceedings of 2nd International Symposium 1986.
C. Greskovich, et al. "Basic Research on Technology Development for Sintered Ceramics", Tech. Rep. No. AFML TR-76-179, General Electric Co., Schnectady, NY 1976.

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