Cemented carbide

Details Cemented carbide Cemented carbide

1979-12-12

1982-08-03

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75204, 75205, 75238, 423 61, 423364, 423371, B22F 300

Patent

active

043425941

ABSTRACT:
An improvement in a cemented carbide is disclosed. Molybdenum, tungsten and carbon are mixed and heated in a nitrogen-containing atmosphere to form a tungsten-molybdenum carbonitride (Mo, W) (C, N) having the structure of tungsten carbide. The molybdenum-tungsten carbonitride is mixed with a binder metal (and, if desired, another hard material) and sintered in a conventional manner to form a dense, substantially pore-free material which is similar in a number of properties to the more expensive tungsten carbide.

REFERENCES:
patent: 3492100 (1970-01-01), Roubin et al.
patent: 4049380 (1977-09-01), Yih et al.
patent: 4049876 (1977-09-01), Yamamoto et al.
patent: 4066451 (1978-01-01), Rudy

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