CLAD PRODUCT BASED ON ALLOY OF 2xxx SERIES FOR AEROSPACE ENGINEERING Russian patent published in 2022 - IPC B32B15/01 C22C21/12 C22C21/06 C22F1/05 B23K103/10 

FIELD: aerospace engineering.

SUBSTANCE: invention relates to rolled composite products for aerospace engineering. The rolled composite product contains a core layer of an alloy of 2xxx series and a layer of Al-Mn alloy, bound to at least one surface of the core layer of the alloy of 2xxx series, wherein the layer of Al-Mn alloy consists of an aluminum alloy of 3xxx series, containing from 0.3 wt.% to 2.0 wt.% of Mn, preferably from 0.3 wt.% to 1.8 wt.% of Mn, while each layer of Al-Mn alloy has a thickness in the range from 1% to 20% of the total thickness of the rolled composite product.

EFFECT: invention is aimed at improvement of resistance to corrosion along with good moldability.

20 cl, 3 dwg