Ceramic composition

Details Ceramic composition Ceramic composition

1992-11-20

1993-09-21

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501 97, C04B 3558

Patent

active

052468968

ABSTRACT:
An improved ceramic composite material is provided based on zirconia and boron nitride that can be satisfactorily bonded without sintering.
The material comprises a particulate mixture of boron nitride, stabilized zirconia and silicon nitride bonded together by whiskers of silicon nitride. The silicon nitride whiskers may conveniently be formed in-situ by heating the mixture of particulate boron nitride, stabilized zirconia and silicon nitride together with powdered metallic silicon in an atmosphere of nitrogen.

REFERENCES:
patent: 4540674 (1985-09-01), Watanabe et al.
patent: 4904626 (1990-02-01), Shaffer

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