Al.sub.2 O.sub.3 Ceramic composite

Details Al.sub.2 O.sub.3 Ceramic composite Al.sub.2 O.sub.3 Ceramic composite

1981-12-21

1983-11-22

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 65, 264325, 501 87, 501100, C04B 3500

Patent

active

044168403

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: 3446643 (1969-05-01), Karlak
patent: 3535093 (1970-10-01), Sara
patent: 3649314 (1972-03-01), James
patent: 4356272 (1972-10-01), Kanemitsu

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