Cutting tool insert

Details Cutting tool insert Cutting tool insert

1987-01-29

1988-12-06

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 96, 501 98, 51307, 51309, C04B 3556, C04B 3558

Patent

active

047896507

ABSTRACT:
Disclosed is a cutting tool insert of sintered ceramic intended for machining ferrous materials. The insert contains 7 to 29% by volume of a hard substance, 1 to 15% by volume of a metal oxide compound, and at least 70% by volume of aluminum oxide, and a maximum of 0.3% by volume of impurities.

REFERENCES:
patent: 3409416 (1968-11-01), Yates
patent: 4331048 (1982-05-01), Dworak
patent: 4585706 (1986-04-01), Takeda et al.
patent: 4615863 (1986-10-01), Inoue et al.
patent: 4627815 (1986-12-01), Aldinger et al.

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