Atomizing apparatus and process

Details Atomizing apparatus and process Atomizing apparatus and process

1990-12-05

1993-03-23

Wyszomierski, George

Specialized metallurgical processes, compositions for use therei

Processes

Producing solid particulate free metal directly from liquid...

264 12, 266202, 425 7, C23C 412, B22F 908

Patent

active

051960494

ABSTRACT:
Apparatus for the production of powders or spray deposits is provided in which a metal or metal alloy stream is broken up into atomized droplets by primary jets of atomizing gas. In order to remove further heat from the atomized droplets, secondary jets are positioned adjacent the primary jets for directing cooling fluid in the form of cryogenic liquified gas at the atomized droplets. The apparatus permits the formation of coarser powders, powders from alloys with a wide solidus/liquidus gap in a shorter atomizing chamber, or spray deposits with increased yield of deposited material.

REFERENCES:
patent: 3663206 (1972-05-01), Lubanska
patent: 4626278 (1986-12-01), Kenney et al.
patent: 4806150 (1989-02-01), Alvarez et al.
patent: 4869469 (1989-09-01), Eylon et al.

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