FIELD: metallurgy.
SUBSTANCE: aluminium-based alloy contains magnesium, scandium, at least one element from the group containing zirconium, hafnium and titanium, at least one element from the group containing zinc, copper and manganese, at least one element from the group containing cerium, lanthanum, yttrium, erbium, ytterbium, gadolinium, dysprosium, europium, lutetium, and thulium. The ratio of scandium content to the total content of elements from group containing cerium, lanthanum, yttrium, erbium, ytterbium, gadolinium, dysprosium, europium, lutetium, and thulium is from 0.1:1 to 500:1, the content ratio of elements from the group containing chromium, zirconium, hafnium and titanium to scandium content is from 2:1 to 50:1. The products of given alloy have ultimate strength not less than 600 Mpa.
EFFECT: increase of alloy strength, extended service life.
4 tbl, 2 ex
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