Surface modified cemented carbides

Details Surface modified cemented carbides Surface modified cemented carbides

1989-01-03

1990-04-03

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 16, 419 32, 75238, 75242, 75244, G22F 100

Patent

active

049138774

ABSTRACT:
A cemented carbide cutting tool substrate has enhanced surface toughness due to binder enrichment and depletion of aluminum nitride near the peripheral surface.

REFERENCES:
patent: 3409416 (1968-11-01), Yates
patent: 3409419 (1968-11-01), Yates
patent: 3507631 (1970-04-01), Yates
patent: 3669695 (1972-06-01), Iler et al.
patent: 4277283 (1981-07-01), Tobioka et al.
patent: 4279651 (1981-07-01), Fujimori et al.
patent: 4343651 (1982-08-01), Yazu et al.
patent: 4497874 (1985-02-01), Hale
patent: 4610931 (1986-09-01), Nemeth
patent: 4693989 (1987-09-01), Sane
patent: 4828612 (1989-05-01), Yohe

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