Macrocrystalline tungsten monocarbide powder and process for...

Details Macrocrystalline tungsten monocarbide powder and process for... Macrocrystalline tungsten monocarbide powder and process for...

C - Chemistry, Metallurgy

01

B

23/53

C01B 31/34 (2006.01) C01G 41/00 (2006.01) C22C 29/08 (2006.01)

Patent

CA 1288572

ABSTRACT OF THE DISCLOSURE In the alumino-thermit method of producing tungsten monocarbide powders, metallic iron is added to the reaction charge in quantities to control the calculated reaction temperature within the range of about 4372 to about 4500°F. It has been found that this process can now be controlled to produce macrocrystalline tungsten carbide powders which are very low in Ti, Ta and Nb content and have a very narrow range of total carbon contents.

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