Process for the production of tungsten carbide or mixed metal ca

Details Process for the production of tungsten carbide or mixed metal ca Process for the production of tungsten carbide or mixed metal ca

1975-09-02

1977-02-15

Satterfield, Walter R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

423440, C04B 3552, C01B 3134

Patent

active

040080900

ABSTRACT:
A process for the production of tungsten carbide or mixed metal carbides, which comprises mixing tungsten oxide powder of mixed high melting point metal oxide powders with carbon powder in an amount sufficient to form the corresponding carbide, heating the mixture at a temperature of higher than 1000.degree. C in an inert atmosphere or in vacuum to reduce the oxygen content and then heating at a temperature of higher than 1400.degree. C in hydrogen atmosphere, thereby to form tungsten carbide or mixed metal carbides directly from the corresponding oxide.

REFERENCES:
patent: 979303 (1910-12-01), Arsem
patent: 2289104 (1942-07-01), Dawihl et al.
patent: 2356009 (1944-08-01), Schwarzkopf
patent: 3403008 (1968-09-01), Hamling
patent: 3716627 (1973-02-01), Middelhoek
Schwartzkopf, et al., Refractory Hard Metals, New York, 1953, pp. 101-103, 143-147, and 175-176.

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