Cutting insert and method of making the same

Details Cutting insert and method of making the same Cutting insert and method of making the same

1985-06-18

1986-12-16

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Composite

Of inorganic material

428701, 428702, C09J 100, B22F 314, B22F 708

Patent

active

046296611

ABSTRACT:
The wear resistance and toughness of a coated ceramic insert comprising a ceramic substrate and at least one thin surface layer of ceramic oxide is improved by applying at least one thin intermediate layer of hard borides of the subgroups or of the III-V groups of the periodic table, or of hard yttrium compounds. The layers are deposited from a gaseous phase.

REFERENCES:
patent: 3955038 (1976-05-01), Lindstrom et al.
patent: 4321100 (1982-03-01), Du Buske
patent: 4403015 (1983-09-01), Nakai et al.
patent: 4441894 (1984-04-01), Sarin et al.
patent: 4447283 (1984-05-01), Ebata et al.
patent: 4522633 (1985-06-01), Dyer
patent: 4539251 (1985-09-01), Sugisawa et al.

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