Ceramic material for cutting tools and process for the productio

Details Ceramic material for cutting tools and process for the productio Ceramic material for cutting tools and process for the productio

1984-01-13

1985-07-02

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

51309, 501 96, 501 98, 264 65, C04B 3510, C04B 3552, C04B 3558

Patent

active

045268754

ABSTRACT:
Ceramic materials for cutting tools are described, comprising molding a powder mixture comprising (a) Al.sub.2 O.sub.3, (b) TiN, and (c) at least one of ZrC, Zr, and ZrN, wherein component (a) constitutes between 25 and 80% of the total volume of the powder mixture and the volume ratio of component (c) to component (b) is 1/2 or less, and sintering the molded powder in vacuum or in an inert atmosphere. A process for production thereof is also described.

REFERENCES:
patent: 3669695 (1972-06-01), Iler et al.
patent: 4204873 (1980-05-01), Yamamoto et al.
patent: 4249914 (1981-02-01), Ogawa et al.
patent: 4320203 (1982-03-01), Brandt et al.
patent: 4325710 (1982-04-01), Tanaka et al.

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