Cemented carbonitride alloys containing tantalum

Details Cemented carbonitride alloys containing tantalum Cemented carbonitride alloys containing tantalum

1976-12-06

1978-10-17

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75242, 75244, 75203, 75205, B22F 300, C22C 2900

Patent

active

041207190

ABSTRACT:
The present invention relates to a hard cemented carbonitride alloy for cutting tools, which comprises 97 to 75% by weight of a hard phase and 3 to 25% by weight of a binder metal, the hard phase consisting of metallic components of titanium as a main component, 5 to 40% by weight of one or more of tungsten and molybdenum and 3 to 40% by weight of tantalum and non-metallic components of carbon and nitrogen, the proportion of nitrogen being 5 to 40% by weight of the non-metallic components and the binder metal being at least one element selected from the group consisting of iron, cobalt and nickel.

REFERENCES:
patent: 3752655 (1973-08-01), Ramquist
patent: 3840367 (1974-10-01), Rudy
patent: 3880600 (1975-04-01), Zboril
patent: 3971656 (1976-07-01), Rudy
patent: 3994692 (1976-11-01), Rudy
patent: 3999954 (1976-12-01), Kolaska et al.
patent: 4047897 (1977-09-01), Tanaka et al.
patent: 4049876 (1977-09-01), Yamamoto et al.

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