Boride-zirconium oxide-nitrogen carbide-based ceramics

Details Boride-zirconium oxide-nitrogen carbide-based ceramics Boride-zirconium oxide-nitrogen carbide-based ceramics

1991-06-18

1992-09-01

Group, Karl

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 96, 501103, C04B 3556, C04B 3558

Patent

active

051438690

ABSTRACT:
Metallic boride-based ceramics having mechanical properties suited for use in extensive applications as abrasion-resistant and cutting tools are prepared by sintering a mixture essentially consisting of 20 to 88% by weight of one or more metallic borides and 10 to 70% by weight of a powder of zirconium oxide, with 2 to 70% by weight of one or more cubic nitrogen carbides selected from the group of Ti(C, N) and Zr(C, N).

REFERENCES:
patent: 4492764 (1985-01-01), Watanabe et al.
patent: 4598053 (1986-07-01), Yamakawa et al.
patent: 4889836 (1989-12-01), Buljan et al.
patent: 4933308 (1990-06-01), Nishio et al.

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