Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1980-10-08
1983-02-15
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
164 711, 164501, 164900, C22B 2106
Patent
active
043739504
ABSTRACT:
In melting aluminum containing impurities which form a eutectic with the aluminum and solidifying the molten aluminum by cooling, the aluminum is purified by breaking down dendrites extending from the liquid-solid interface into the liquid phase to release impurities from between the dendrites or between the branches of the dendrites, and dispersing the released impurities in the entire body of the liquid phase.
REFERENCES:
patent: 3543531 (1970-12-01), Adams
patent: 3902544 (1975-09-01), Flemings et al.
Arai Kozo
Ootsuka Ryotatsu
Shingu Hideo
Andrews M. J.
Showa Aluminium Kabushiki Kaisha
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