Process for recovering metal carbide powder from cemented carbid

Details Process for recovering metal carbide powder from cemented carbid Process for recovering metal carbide powder from cemented carbid

1979-04-25

1980-11-18

Mack, John H.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

204 86, 204112, 204105R, 2041291, 20412975, 204146, 75 82, C22B 2300, C25B 100, C25C 108, C25F 300

Patent

active

042343330

ABSTRACT:
A process for recovering metal carbide powders from cemented carbides containing a metal binder phase by anodic dissolution of the binder phase under controlled electrochemical potential and current density conditions to produce a greatly accelerated rate of dissolution of the binder phase without significant dissolution of the metal carbide grains.

REFERENCES:
patent: 1726236 (1929-08-01), Parker
patent: 2020117 (1935-11-01), Johnston
patent: 3669850 (1972-06-01), Draca
patent: 3785938 (1974-01-01), Sam
patent: 4140597 (1979-02-01), Kobayakawa

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