Ceramic composites and process for manufacturing the same

Details Ceramic composites and process for manufacturing the same Ceramic composites and process for manufacturing the same

1992-10-13

1994-06-28

Green, Anthony

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501127, C04B 3554, C04B 3556

Patent

active

053246934

ABSTRACT:
The ceramic composites consisting of sintered alumina comprising a polycrystalline alumina matrix having a grain size of from 0.5 to 10 .mu.m, and fine particles of TiB.sub.2 2 .mu.m or less in diameter being dispersed in the alumina grains, the composite alumina ceramic containing from 15 to 40% by volume of TiB.sub.2 ; or a ceramic composites comprising a polycrystalline alumina matrix as above, fine particles of TiB.sub.2, and fine particles of SiC, the fine particles of TiB.sub.2 and SiC being each 2 .mu.m or less in diameter and being dispersed in the alumina grains, the ceramic composites containing from 5 to 30% by volume of TiB.sub.2 and from 5 to 30% by volume of SiC.

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patent: 5158916 (1992-10-01), Claussen
patent: 5167886 (1992-12-01), Cameron et al.
patent: 5177037 (1993-01-01), Schuldies

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