Ceramic material reinforced by the incorporation of TiC, TiCN an

Details Ceramic material reinforced by the incorporation of TiC, TiCN an Ceramic material reinforced by the incorporation of TiC, TiCN an

1991-07-24

1994-11-01

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501127, 501153, C04B 3536

Patent

active

053607724

ABSTRACT:
The whiskers-reinforced ceramics of the present invention is prepared from alumina powder activated by dry milling, with which Ti-based whiskers are mixed, by molding and sintering said mixture.
By the present invention the bending strength of the sintered body can be increased without impairing the effect of improving the fracture toughness which is imparted by the incorporation of Ti-based whiskers, since the particle size of alumina crystal in the sintered body can be controlled to 3 microns or less.

REFERENCES:
patent: 3580708 (1971-05-01), Ogawa et al.
patent: 4647405 (1987-03-01), Debely
patent: 4804645 (1989-02-01), Ekstrom
patent: 4990295 (1991-02-01), Hida
patent: 5017316 (1991-05-01), Sowman
patent: 5059564 (1991-10-01), Mehrotra et al.
patent: 5077246 (1991-12-01), Weaver

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