C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/53
C01B 31/34 (2006.01) C01G 41/00 (2006.01) C04B 35/56 (2006.01)
Patent
CA 1332667
ABSTRACT OF DISCLOSURE A molten blend of an alkali metal halide containing tungsten is treated with solid particulate carbonaceous reactants, such as natural flake graphite. Tungsten monocarbide is produced having a large percentage of relatively coarse crystals. The crystal morphology is blocky or thick bladed with some equant forms and the carbon is present in the correct stoichiometric amount of 6.13% by weight, thus eliminating any need for carbon additions prior to sintering.
614253
Newman Harold C.
Terry Charles J.
Gowling Lafleur Henderson Llp
Kennametal Inc.
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