Surface-coated blade member of super hard alloy for cutting tool

Details Surface-coated blade member of super hard alloy for cutting tool Surface-coated blade member of super hard alloy for cutting tool

1982-07-19

1984-05-22

Lewis, Michael L.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

427250, 4272552, 4272553, 4272557, 428553, 428564, 428627, B32B 1504, C23C 1108, C23C 1302, C23C 1304

Patent

active

044502052

ABSTRACT:
A surface-coated blade member for cutting tools comprises a metal substrate of a super hard alloy and a coating on at least one surface of said substrate, said coating being composed of a layer of vapor deposited titanium on the surface of said metal substrate and at least one layer of vapor deposited titanium compound on said layer of titanium, and said layer of titanium compound being selected from the group consisting of titanium carbide, titanium nitride, titanium carbo-nitride, titanium oxy-carbide and titanium oxy-carbo-nitride, said layer of titanium being no larger than 2 .mu.m thick and said layer of titanium compound being 0.5 to 10 .mu.m thick.

REFERENCES:
patent: 3684585 (1972-08-01), Stroup et al.
patent: 3874900 (1975-04-01), Post et al.
patent: 4226082 (1980-10-01), Nishida
patent: 4239536 (1980-12-01), Yamamoto et al.
patent: 4337300 (1982-06-01), Itaba et al.

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