Ceramic composition

Details Ceramic composition Ceramic composition

1983-02-03

1984-06-05

Poer, James

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501153, C04B 3510, C04B 3556

Patent

active

044529066

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: 4204873 (1980-05-01), Yamamoto et al.
patent: 4356272 (1982-10-01), Kanemitsu et al.
patent: 4366254 (1982-12-01), Rich et al.

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