High toughness ceramic cutting tool

Details High toughness ceramic cutting tool High toughness ceramic cutting tool

1981-05-01

1982-08-10

Bell, Mark

Compositions: ceramic

Ceramic compositions

Refractory

51309, 501153, C04B 3548, C04B 3558, C04B 3549

Patent

active

043439098

ABSTRACT:
Extremely tough, strong and wear resistant cold pressed and sintered inserts consisting essentially of from about 4 to 20% zirconia, from about 1-15% titanium diboride, and up to about 10% grain growth inhibiting sintering aid with the balance being alumina.

REFERENCES:
patent: 3542529 (1970-11-01), Bergna et al.
patent: 3705025 (1972-12-01), Daniels
patent: 4022584 (1977-05-01), Rudy
patent: 4063908 (1977-12-01), Ogawa et al.
Rosenfield, A. R., "Progress Towards Tough, Creep-Resistant Ceramics", Metals & Ceramic Information Center Bulletin, Issue No. 105, Nov. 27, 1981.

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