Process for preparing titanium carbide-tungsten carbide base pow

Details Process for preparing titanium carbide-tungsten carbide base pow Process for preparing titanium carbide-tungsten carbide base pow

1978-06-26

1981-06-02

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75204, 75213, B22F 300, C22C 2900

Patent

active

042709520

ABSTRACT:
A process comprises the steps of molding a mixture of usual TiC powder material having a combined carbon content lower than the theoretical value, a required amount of binder metal and a suitable amount of WC powder, sintering the molded mixture at a high temperature of about 1550.degree. to 2500.degree. C. to dissolve the WC particles in the TiC particles, and maintaining the sintered product at the high temperature, whereby the combined carbon content is increased to the highest possible value approximate to the theoretical value and the binder metal is fully effectively fused to the surface of the TiC particles. The resulting product is readily crushable to a powder having greatly improved amenability to sintering.

REFERENCES:
patent: 3525999 (1970-08-01), Benesovsky et al.
patent: 3737289 (1973-06-01), Rudy
patent: 4092156 (1978-05-01), Kobayashi
patent: 4097275 (1978-06-01), Horvath

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