High thermal expansion coefficient ceramic sinter and a composit

Details High thermal expansion coefficient ceramic sinter and a composit High thermal expansion coefficient ceramic sinter and a composit

1986-12-08

1991-08-27

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501104, 501105, 501108, 501112, 501118, 501119, 501121, 501123, 501125, 501126, 501127, 501134, 501135, 501136, 501137, 501138, 501139, 501151, 501153, C04B 3504, C04B 3510, C04B 3546, C04B 3548

Patent

active

050433059

ABSTRACT:
The ceramic sinter is composed of a metal oxide such as ZrO.sub.2 and 10-90 vol. % of metal fluoride which is selected from the group having not less than 2.5 electronegativity difference between fluoride and the metal element.
The ceramic sinter has a thermal expansion coefficient of 15-20.times.10.sup.-6 /.degree.C. and is suitable for bonding with general use metals such as stainless steel to form a composite body of the ceramic sinter and the metal without causing a substantial thermal stress at the juncture thereof.

REFERENCES:
patent: 2935411 (1960-05-01), Robinson
patent: 3862046 (1975-01-01), Walker, Jr. et al.

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