ALUMINUM ALLOY FORMULATIONS FOR REDUCED HOT TEAR SUSCEPTIBILITY
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United States of America Patent
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Issued Date -
Dec 4, 2008
app pub date -
May 27, 2008
filing date -
May 31, 2007
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Abstract
The present invention relates to modified alloy compositions for reduced hot tear susceptibility, the aluminum alloy comprising from 0.01 to 0.025% by weight of Sr; and TiB2, measured by its boron content, from 0.001 to 0.005% by weight of B. The invention also relates to a method of preventing or eliminating hot tears in an aluminum alloy comprising the step of combining with aluminum: from 0.01 to 0.025% by weight of Sr; and TiB2, measured by its boron content, from 0.001 to 0.005% by weight of B.
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