High density high strength Si.sub.3 N.sub.4 ceramics prepared by

Details High density high strength Si.sub.3 N.sub.4 ceramics prepared by High density high strength Si.sub.3 N.sub.4 ceramics prepared by

1979-01-08

1983-03-15

Vertiz, O. R.

Compositions: ceramic

Ceramic compositions

Refractory

501103, 501122, C04B 3558, C04B 3504, C04B 3550

Patent

active

043766528

ABSTRACT:
High purity fine particle size amorphous Si.sub.3 N.sub.4 powder compacts may be pressureless sintered to high density by the addition of from 100 to 1000 parts per million Ti to the powder prior to compaction.

REFERENCES:
patent: 4025351 (1977-05-01), Masaki
patent: 4043381 (1977-08-01), Magdiyasni et al.
patent: 4073845 (1978-02-01), Buljan et al.
patent: 4097293 (1978-06-01), Komeya et al.
patent: 4102698 (1978-07-01), Large et al.
patent: 4117095 (1978-09-01), Komeya et al.
patent: 4145224 (1979-03-01), Mehalchick et al.

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