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

1974-09-10

1976-08-31

Ansher, Harold

Metal working

Upholstered article making

Tufting

3034654, 428212, 428213, 428334, 428336, 428410, 428428, 428539, B32B 1706, B23P 1528, B32B 904

Patent

active

039770613

ABSTRACT:
The wear resistance and toughness of a cutting insert comprising a ceramic oxide is improved by applying to it a thin surface layer of ceramic oxide, deposited from a gaseous phase, in which surface layer the grains have a size smaller than 1 micron and preferably smaller than 0.5 micron.
In effecting the deposition, at least one of the components of the gaseous phase is present therein in the highest concentration possible without formation of powder.

REFERENCES:
patent: 2943008 (1960-06-01), Saunders
patent: 3014815 (1961-12-01), Lely
patent: 3208873 (1965-09-01), Ames
patent: 3615275 (1971-10-01), Turk
patent: 3642522 (1972-02-01), Gass
patent: 3692565 (1972-09-01), Lersmacher
patent: 3836392 (1974-09-01), Lux
patent: 3837896 (1974-09-01), Lindstrom
patent: 3852098 (1974-12-01), Bloss

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