Sintering silicon nitride

Details Sintering silicon nitride Sintering silicon nitride

1992-11-27

1993-10-26

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501 96, C04B 3558

Patent

active

052566102

ABSTRACT:
Oxides having a composition of (Ba.sub.1-x Sr.sub.x)O--Al.sub.2 O.sub.3 --2SiO.sub.2 are used as sintering aids for producing an improved silicon nitride ceramic material. The x must be greater than 0 to insure the formation of the stable monoclinic celsian glass phase.

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patent: 5100847 (1992-03-01), Li et al.
patent: 5110768 (1992-05-01), Kaner et al.

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