Coated tool steel and machining tool formed therefrom

Details Coated tool steel and machining tool formed therefrom Coated tool steel and machining tool formed therefrom

1978-03-01

1979-10-02

Ansher, Harold

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428409, 428472, 428539, 428911, B32B 1518

Patent

active

041699130

ABSTRACT:
There is provided a coated tool steel having a tool steel substrate and at least one layer of a hard film overcoated on the substrate. The film consists of a B-1 type solid solution selected from carbides, nitrides and carbonitrides of at least one of titanium, zirconium or hafnium, and the breadth of the peak, at half maximum intensity, of Cu-K.alpha. diffraction from the (200) plane of the film, being not less than 0.4 degree on a 2 .theta. scale. The invention further provides a machine tool having at least one cutting part thereof formed from the coated tool steel described above. The coated steel provided herein has excellent wear resistance.

REFERENCES:
patent: 3874900 (1975-04-01), Post et al.
patent: 3895923 (1975-07-01), Wakefield
patent: 3922405 (1975-11-01), Komatsu et al.
patent: 3988515 (1976-10-01), Hashimoto et al.
patent: 4018631 (1977-04-01), Hale
patent: 4019873 (1977-04-01), Reiter
patent: 4066821 (1978-01-01), Cook et al.
patent: 4075376 (1978-02-01), Jaeger
patent: 4079163 (1978-03-01), Tanaka
patent: 4104096 (1978-08-01), Gass et al.

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