Process for producing finely divided spherical metal powders con

Details Process for producing finely divided spherical metal powders con Process for producing finely divided spherical metal powders con

1988-04-25

1989-02-07

Stallard, Wayland

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05BA, 75 05AC, 75 05BC, B22F 924

Patent

active

048029157

ABSTRACT:
Alloys of a first group of metals containing at least one iron group metal and one or more easily oxidizable metals can be formed by forming an aqueous solution of the first group of metals, forming solids containing the metals from the solution, reducing the solids to a metallic powder, converting the metallic powder to metallic alloy spherical powders, agglomeration the spherical powder with one or more easily oxidizable metals in a non-oxidizing atmosphere, thereafter the agglomerates are subjected to a sufficient temperatures under non-oxidizing conditions to form an alloy. Alternatively, the easily oxidizable metals can be agglomerated with the solids containing the iron group metal prior to converting the agglomerates to a spherical alloy powder.

REFERENCES:
patent: 3652259 (1972-03-01), Knopp
patent: 4348224 (1982-09-01), Gingerich et al.
patent: 4397682 (1983-08-01), Watanabe et al.
patent: 4613371 (1986-09-01), Cheney et al.
patent: 4687510 (1987-08-01), Cheney et al.
patent: 4687511 (1987-08-01), Paliwal et al.
patent: 4723993 (1988-02-01), Kopatz et al.
patent: 4731110 (1988-03-01), Kopatz et al.

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