HIGH-STRENGTH HEAT-TREATABLE ALUMINIUM ALLOY AND ARTICLE MADE THEREOF

摘要

FIELD: metallurgy.;SUBSTANCE: alloy contains in wt %: zinc 8-10, magnesium 2.0-3.0, copper 1.6-2.6, scandium 0.12-0.25, zirconium 0.06-0.20, beryllium 0.0001-0.005, cobalt 0.05-0.15, nickel 0.5-1.0, iron 0.45-0.95, aluminium - rest, at that ratio between zinc and magnesium is within range 3.1-4.1.;EFFECT: increased alloy strength at room temperature, and creep resistance at moderately increased temperatures.;3 tbl, 1 ex