Process for making metal powder using a laser

Details Process for making metal powder using a laser Process for making metal powder using a laser

1975-07-16

1977-03-29

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

Utilizing electrical energy

219121LM, B01J 202

Patent

active

040149641

ABSTRACT:
A process for producing high purity metal powders in which a metal or metal alloy of the desired composition is molten and introduced into a chamber in the form of a stream of a controlled cross sectional area which is fragmentized into a plurality of molten droplets by the impingement of a transversely excited laser having a preselected power to achieve the desired magnitude of fragmentation. The resultant droplets are cooled during their free-fall through the chamber and the solidified metal powder is subsequently recovered from the bottom of the chamber.

REFERENCES:
patent: 3313608 (1967-04-01), Guyer et al.
patent: 3415636 (1968-12-01), Upton
patent: 3869232 (1975-03-01), Ruus et al.

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