Methods for producing very fine particle size metal powders

Details Methods for producing very fine particle size metal powders Methods for producing very fine particle size metal powders

1981-11-04

1984-03-06

Hall, James R.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

Utilizing centrifugal force or rotating forming zone

264 9, B01J 202

Patent

active

044353421

ABSTRACT:
A method is provided for producing ultra fine particles of metal by delivering a molten stream of metal onto a rotating primary annular surface, discharging molten fine droplets from the edge of the primary annular surface against an inclined secondary annular surface surrounding the primary surface at an angle such that the molten droplets striking the secondary surface are sub-divided and discharged from the secondary surface to be cooled and collected as ultra fine particles.

REFERENCES:
patent: 2488353 (1949-11-01), Unger
patent: 3660544 (1972-05-01), Young et al.
patent: 3963812 (1976-06-01), Schlienger
patent: 4127158 (1978-11-01), Matsumo
patent: 4140462 (1979-02-01), Thompson

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