Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
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
Ghandehari Mohammad H.
Schussler Mortimer
Fansteel Inc.
Mack John H.
Valentine D. R.
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