Compositions: ceramic – Ceramic compositions – Refractory
Patent
1984-05-29
1985-06-04
Williams, Howard S.
Compositions: ceramic
Ceramic compositions
Refractory
501 87, 501 97, C04B 3552
Patent
active
045215251
ABSTRACT:
Compositions consisting of silicon nitride, hard materials such as titanium carbide and titanium nitride, and densifying agents such as lanthanum oxide or lanthanum aluminum compounds are disclosed for silicon nitride bodies.
REFERENCES:
patent: 3833389 (1974-09-01), Komeya et al.
patent: 4332909 (1982-06-01), Nishida et al.
Castle Donald R.
Chapman Terryence
GTE Products Corporation
Williams Howard S.
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