Process for atomizing liquid metals to produce finely granular p

Details Process for atomizing liquid metals to produce finely granular p Process for atomizing liquid metals to produce finely granular p

1985-10-01

1987-02-03

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By vibration or agitation

75 05C, 264 12, 264 23, 425 7, B22F 908

Patent

active

046408061

ABSTRACT:
Very finely granular metal powders are produced by atomizing a liquid jet of metal by means of a gas jet which, in addition to a continuous band of sound frequencies, contains at least one discrete sound frequency which is at least 5 decibel above the average intensity of this band, and which is generated in a rotationally symmetrical device by means of a nozzle (4) which has the shape of a hollow cone and by means of an annular resonance space (7) with an annular edge (6) and is projected concentrically against the liquid jet of metal at a total opening angle of an average 35.degree. to 55.degree.. The atomization zone of the gas jet should preferably contain at least three discrete sound frequencies which are each at least 10 decibel above the sound intensity of the continuous band.

REFERENCES:
patent: 2510574 (1950-06-01), Greenhalzh
patent: 2997245 (1961-08-01), Nilsson et al.
patent: 4369919 (1983-01-01), Beloev et al.

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