Process for producing spherical light metal based powder particl

Details Process for producing spherical light metal based powder particl Process for producing spherical light metal based powder particl

1986-09-08

1988-10-25

Brody, Christopher W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

21912136, 264 15, B22F 100

Patent

active

047801310

ABSTRACT:
A powdered material and a process for producing the material are disclosed. The powdered material consists essentially of light metal based spherical particles which are essentially free of elliptical shaped material and elongated particles having rounded ends. The process for making the spherical particles involves mechanically reducing the size of a starting material to produce a finer powder which is then entrained in a carrier gas and passed through a high temperature zone above the melting point of the finer powder to melt at least about 50% by weight of the powder and form spherical particles of the melted portion. The powder is directly solidified.

REFERENCES:
patent: 3974245 (1976-08-01), Chener et al.
patent: 4264354 (1981-04-01), Cheetham
patent: 4711660 (1987-12-01), Kemp, Jr.
patent: 4711661 (1987-12-01), Kemp, Jr.

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