Metallurgical process for purifying aluminum-silicon alloy

Details Metallurgical process for purifying aluminum-silicon alloy Metallurgical process for purifying aluminum-silicon alloy

1975-09-12

1976-05-25

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 68A, 75 93AC, 75135, C22B 2106

Patent

active

039589790

ABSTRACT:
A method of processing an impure aluminum base alloy containing a substantial amount of silicon and a deleterious amount of titanium, which includes melting the alloy and stirring the molten alloy with a molten fluoride flux less dense than the alloy and having a boiling point above the alloy's liquidus temperature, then permitting the stirred mixture to stand to settle out a molten alloy in which the titanium content is reduced but not entirely eliminated, and separating the settled out alloy from the flux.

REFERENCES:
patent: 2930676 (1960-03-01), Byrns
patent: 2974032 (1961-03-01), Grunert et al.
patent: 3083093 (1963-03-01), Grunert
patent: 3198625 (1965-08-01), Stroup

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