Sintered hard metal products having a multi-layer wear-resistant

Details Sintered hard metal products having a multi-layer wear-resistant Sintered hard metal products having a multi-layer wear-resistant

1982-09-08

1985-06-25

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428220, 428336, 428472, 428698, 428701, B32B 702, B32B 1504

Patent

active

045254150

ABSTRACT:
A sintered hard metal product, e.g. a disposable cutting insert for use in the machining of metals, consisting of a cemented metal carbide substrate and a thin wear-resistant surface coating comprising a plurality of coating layers of different compositions applied on to at least a part of the surface of said substrate and on top of each other by chemical vapor deposition, characterized in that said coating layers include:

REFERENCES:
patent: 3837896 (1974-09-01), Lindstrom et al.
patent: 3914473 (1975-10-01), Hale
patent: 3977061 (1976-08-01), Lindstrom et al.
patent: 4237184 (1980-12-01), Gonseth et al.
Chemical Abstracts 91: 25770t, 11328m, Mar. 1979.
Chemical Abstracts 91: 161880e, May 1979.
Patent Abstracts of Japan, vol. 3, No. 49, (M-57) Apr. 1979 of JA-A-54/29185, Tokushu Togyo K.K.
Patent Abstracts of Japan, vol. 1, No. 157, Dec. 1977 of JA-A-52/100376, Mitsubishi Kinzoku KK.

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