Cemented carbide containing molybdenum tungsten carbonitride hav

Details Cemented carbide containing molybdenum tungsten carbonitride hav Cemented carbide containing molybdenum tungsten carbonitride hav

1978-01-27

1980-07-15

Schafer, Richard E.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75242, 51307, C22C 2900

Patent

active

042126711

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: 2036245 (1936-04-01), Walter
patent: 3741733 (1973-06-01), Kieffer
patent: 3971656 (1976-07-01), Rudy
patent: 3994692 (1976-11-01), Rudy
patent: 4049876 (1977-09-01), Yamamuto et al.
patent: 4065301 (1977-12-01), Tanaka et al.
patent: 4120719 (1978-10-01), Nomura et al.
Schuster; J. et al., "Die MoC-Phase mit WC-Struktur.", In Monatsh. Chemie. 107(5): 1167-1176, 1976.

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