Semi-solid metal casting process of hypereutectic aluminum alloys
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United States of America Patent
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Feb 7, 2006
Grant Date -
Jan 20, 2005
app pub date -
Jul 15, 2003
filing date -
Jul 15, 2003
priority date (Note) -
Expired
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Abstract
A method for the refining of primary silicon in hypereutectic alloys by mixing at least two hypereutectic alloys into a solid/semi-solid hypereutectic slurry is described. The method provides control of the morphology, size, and distribution of primary Si in a hypereutectic Al—Si casting by mixing a hypereutectic Al—Si liquid with solid hypereutectic Al—Si particles. The invention enables SSM processing of hypereutectic Al—Si alloys.
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