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FIELD: alloys. SUBSTANCE: method involves the addition of metal taken from the group consisting of strontium and barium to the alloy. Aluminium-base alloy has, wt.-%: zirconium 0.01-0.20; rare-earth metal 0.01-0.15; metal taken from the group containing strontium and barium 0.01-0.15, and aluminium - the rest. Corrosion rate in 0.01 N NaOH is 0.81-1.25 g/mx hr. EFFECT: improved corrosion resistance of alloy. 2 tbl