Method for producing extrafine pure metal powder

Details Method for producing extrafine pure metal powder Method for producing extrafine pure metal powder

1991-12-20

1993-02-09

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or purifying free metal powder or producing or...

75343, 75363, 75369, B22F 100

Patent

active

051850303

ABSTRACT:
A method of making extrafine pure elemental metal powder from a highly malleable pure elemental metal powder. The pure elemental metal powder is oxidized, ground to a desired average particle size, reduced in a reducing atmosphere to a pure elemental metal powder, and then sieved to obtain the desired fraction of extrafine pure elemental metal powder.

REFERENCES:
patent: 2721135 (1955-10-01), Wimberly
patent: 4178172 (1979-12-01), Tiitinen et al.

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