PRODUCT FROM Al-Cu-Li-ALLOY SUITABLE FOR USE IN AIRCRAFT AND AEROSPACE ENGINEERING Russian patent published in 2013 - IPC C22C21/12 

Abstract RU 2481412 C2

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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RU 2 481 412 C2

Authors

Telioehj Nadja

Norman Ehndrju

Bjurger Akhim

Shpangel' Zabine Marija

Dates

2013-05-10Published

2008-09-16Filed