Superplastic zinc/aluminum alloy
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United States of America Patent
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Mar 15, 1988
Grant Date -
N/A
app pub date -
Aug 22, 1986
filing date -
Aug 22, 1985
priority date (Note) -
Expired
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Abstract
A zinc/aluminum alloy feedstock containing 18-30% by weight Al, 0.003-0.2% by wt. Mg, 0.5-2.5% by wt. Cu, 0.02-0.5% by wt. Fe, 0-0.1% by wt. Si, Zn balance (including any impurities) is capable of achieving high plasticity at temperatures of 240.degree. C. or above after being subjected to a multistage heat treatment including an extrusion step.
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