Ceramic Al.sub.2 O.sub.3 substoichiometric TiC body

Details Ceramic Al.sub.2 O.sub.3 substoichiometric TiC body Ceramic Al.sub.2 O.sub.3 substoichiometric TiC body

1982-08-27

1983-10-04

Bell, Mark

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

51309, C04B 3510, C04B 3556

Patent

active

044079680

ABSTRACT:
A particulate dispersion of Al.sub.2 O.sub.3, elemental non-diamond carbon and a titanium member selected from the group consisting of elemental titanium, TiH.sub.2 and mixtures thereof is formed into a compact and sintered producing a ceramic composite having a minimum Rockwell A hardness of about 92 and being comprised of an Al.sub.2 O.sub.3 phase and a substoichiometric titanium carbide phase.

REFERENCES:
patent: 2849305 (1958-08-01), Frost
patent: 3886254 (1975-05-01), Tanaka et al.
patent: 4063908 (1977-12-01), Ogawa et al.
patent: 4320203 (1982-03-01), Brandt et al.
patent: 4356272 (1982-10-01), Kanemitsu et al.

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