Utilization of sponge metal fines

Details Utilization of sponge metal fines Utilization of sponge metal fines

1990-05-21

1991-05-21

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75617, 420590, 428545, 428567, C22B 3400

Patent

active

050172190

ABSTRACT:
Normally reject sponge metal fines, especially those produced by the crushing and screening of a regulus of zirconium and/or hafnium metal sponge, are added to the initial reduction charge of the metal tetrachloride and magnesium metal, and the so-modified charge is then passed through the conventional reduction and vacuum distillation steps to produce a regulus of the metal that has the reject fines incorporated therein by sintering.

REFERENCES:
patent: 2753256 (1956-07-01), Olson
patent: 2760857 (1956-08-01), Eton
patent: 2773760 (1956-12-01), Winter
patent: 2809108 (1957-10-01), Singleton
patent: 2816828 (1957-12-01), Benedict
patent: 3396777 (1968-08-01), Reding
patent: 3634066 (1972-01-01), Matthews

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