Ceramic composition

Details Ceramic composition Ceramic composition

1981-05-26

1983-08-02

Poer, James

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 98, 501105, C04B 3548, C04B 3552

Patent

active

043967248

ABSTRACT:
Improved ceramic compositions useful for cutting tools and the like are described. They are composed of an essentially homogeneous admixture of sintered powders of an aluminum oxide base material with other refractories including zirconium oxide, titanium oxide, hafnium oxide, titanium nitride, zirconium nitride, and tungsten or molybdenum carbide. In addition to their common and improved properties of hardness and strength, many of these compositions may be made by simple cold-pressing and sintering procedures. This avoids the known drawbacks of conventional hot press production.

REFERENCES:
patent: 3652304 (1972-03-01), Daniels
patent: 4204873 (1980-05-01), Yamamoto et al.
patent: 4211624 (1980-07-01), Semkina et al.
patent: 4218253 (1980-08-01), Dworak et al.

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