Coated hard alloys

Details Coated hard alloys Coated hard alloys

1982-09-17

1984-10-02

Herbert, Jr., Thomas J.

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Web or sheet containing structurally defined element or...

Physical dimension specified

428698, 428699, 428701, B32B 1504

Patent

active

044748493

ABSTRACT:
Coated hard alloys excellent in toughness and wear resistance comprise a substrate of hard alloy and at least one coating layer thereon, at least one of the coating layers being of amorphous alumina.

REFERENCES:
patent: 3885063 (1975-05-01), Schachner et al.
patent: 4357382 (1982-11-01), Lambert et al.
patent: 4389465 (1983-06-01), Nakai et al.
patent: 4399168 (1983-08-01), Kullander et al.

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