Ceramic composite

Details Ceramic composite Ceramic composite

1997-04-29

1998-12-29

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Refractory

501108, 501110, 501123, 501118, 501119, 501120, 501125, 501127, 501134, 428689, 428697, 428404, C04B 3510, C04B 3548, C04B 3504

Patent

active

058541578

ABSTRACT:
An object of the present invention is to provide a novel ceramic composite that has not only excellent dynamic characteristics, but also good electromagnetic characteristics, typified by dielectric characteristics, and the present invention relates to a ceramic composite, characterized in that an oxide having a perovskite structure which includes as raw materials lead and/or an alkaline earth metal is dispersed in a ceramic matrix, and in the above-mentioned ceramic composite, preferably the ceramic matrix is MgO, MgAl.sub.2 O.sub.4, or ZrO.sub.2, and also, preferably in the above-mentioned ceramic composite, the perovskite structure oxide particles are covered with MgO, MgAl.sub.2 O.sub.4, or ZrO.sub.2, and the ceramic matrix is Al.sub.2 O.sub.3.

REFERENCES:
patent: 4881951 (1989-11-01), Wood et al.
patent: 5460640 (1995-10-01), Buljan
patent: 5489318 (1996-02-01), Erickson et al.

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