Method for producing small metal balls approximately equal in di

Details Method for producing small metal balls approximately equal in di Method for producing small metal balls approximately equal in di

1993-12-14

1995-08-29

Roy, Upendra

Specialized metallurgical processes, compositions for use therei

Processes

Producing solid particulate free metal directly from liquid...

75331, 75338, 75342, B29B 900, B22F 900

Patent

active

054456665

ABSTRACT:
In order to develop a method for producing at least approximately ball-shaped metallic particles at least almost equal in diameter such that a greater yield of particles at least almost equal in diameter is achieved than in known methods, it is suggested that a continuous stream of liquid metal is acted on locally by compressional vibrations that thereby cross-sectional constrictions are formed in the stream at a distance from each other in longitudinal direction of the stream which lead to the dissection of the stream and that the segments of the dissected stream adopting a ball shape due to the surface tension of the liquid metal are cooled to solidify the liquid metal.

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patent: 4774037 (1988-09-01), Hendricks
patent: 5171360 (1992-12-01), Orme et al.
patent: 5183493 (1993-02-01), Brandau et al.
patent: 5198157 (1993-03-01), Bechet
patent: 5259593 (1993-11-01), Orme et al.
patent: 5266098 (1993-11-01), Chun et al.

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