High-temperature efficient aluminum copper magnesium alloys
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United States of America Patent
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Jan 16, 2018
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Apr 13, 2012
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Apr 15, 2011
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Abstract
The disclosure provides for wrought products made of Al—Cu—Mg aluminum alloy composed as follows, as a percentage by weight, Cucorr: 2,6-3.7; Mgcorr: 1.5-2.6, Mn: 0.2-0.5; Zr: ≦0.16; Ti: 0.01-0.15; Cr≦0.25; Si≦0.2; Fe≦0.2; other elements <0.05 the rest aluminum; with Cucorr>−0.9(Mgcorr)+4.3 and Cucorr<−0.9(Mgcorr)+5.0; where Cucorr=Cu−0.74(Mn−0.2)−2.28 Fe and Mgcorr=Mg−1.73(Si−0.05) for Si≧0.05 and Mgcorr=Mg for Si<0.05 and their manufacturing process.
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