FIELD: metallurgy.
SUBSTANCE: proposed article comprises the following components in wt % Cu - 3.4-5.0, Li - 0.9-1.7, Mg - 0.2-0.8, Ag - 0.1-0.8, Mn - 0.1-0.9, Zn - 0.1-1.5 and one or several elements selected from the group consisting of (Zr - 0.05-0.3, Cr - 0.05-0.3, Ti - 0.03-0.3, Sc - 0.05-0.4, Hf - 0.05-0.4), Fe<0.15, Si<0.5, common and unavoidable impurities and the rest composed of aluminium. It relates also to method of making articles from this alloy.
EFFECT: higher strength and ductility.
13 cl, 3 tbl, 1 ex
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Authors
Dates
2013-05-10—Published
2008-09-16—Filed