Aluminum-magnesium-scandium alloys with zinc and copper
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United States of America Patent
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Oct 31, 2000
Grant Date -
N/A
app pub date -
Aug 12, 1999
filing date -
Aug 12, 1999
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Abstract
Al--Mg--Sc based alloys include additional elements selected from the group comprising Hf, Mn, Zr, Cu and Zn to improve their tensile properties. The alloys are preferably comprised of aluminum and, in wt. %, 1.0-8.0% Mg, 0.05-0.6% Sc, 0.05-0.20% Hf and/or 0.05-0.20% Zr, and 0.5-2.0% Cu and/or 0.5-2.0% Zn. In addition, 0.1-0.8 wt. % Mn may be added to the alloy to improve its strength characteristics further.
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