Modifying flux for molten aluminium
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United States of America Patent
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Dec 10, 2013
Grant Date -
Aug 4, 2011
app pub date -
Dec 22, 2008
filing date -
Dec 24, 2007
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Abstract
Composition for releasing sodium or strontium or both into molten aluminum or aluminum-based alloy. The composition is formed by fusing a mixture containing at least two salts, at least one of the salts having sodium as a cation and/or at least one of the salts having strontium as a cation, at least one of the salts having carbonate as an anion and at least one of the salts having a halide as an anion. The composition may be employed as a modifying flux for altering the microstructure of aluminum and aluminum alloy.
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