Specialized metallurgical processes – compositions for use therei – Processes – Producing or purifying free metal powder or producing or...
Patent
1987-05-27
1990-05-22
Russel, Jeffrey E.
Specialized metallurgical processes, compositions for use therei
Processes
Producing or purifying free metal powder or producing or...
75360, 75365, B22F 100, B22F 924
Patent
active
049274562
ABSTRACT:
A process for producing finely divided spherical iron group based metallic powders comprises forming an aqueous solution containing a source of the appropriate metal sources in a mineral acid, forming a reducible iron group based material from the solution, reducing the material to iron group based metal powder particles, subjecting the metal particles to a high temperature zone to melt a portion of the particles and to form droplets and cooling the droplets to form an essential spherical iron group based metallic powders.
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Johnson Walter A.
Kopatz Nelson E.
Ritsko Joseph E.
Castle Donald R.
GTE Products Corporation
Russel Jeffrey E.
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