Aluminum alloy product having improved combinations of...

Details Aluminum alloy product having improved combinations of... Aluminum alloy product having improved combinations of...

C - Chemistry, Metallurgy

22

C

75/83, 148/55.5

C22C 21/10 (2006.01) C22F 1/053 (2006.01) G11B 23/087 (2006.01)

Patent

CA 1340618

An alloy product having improved combinations of strength, density, toughness and corrosion resistance, consists essentially of about 7 to 12% zinc, about 1.5 to 2.7% magnesium, about 1.75 to 3% copper, one or more elements selected from 0.05 to 0.2% zirconium, 0.05 to 0.4% manganese, 0.03 to 0.2% vanadium and 0.03 to 0.5% hafnium, the total of said elements not exceeding about 1%, the balance aluminum and incidental elements and impurities. A preferred product consists essentially of about 7.6 to 8.6% zinc, about 1.6 to 2.2% magnesium, about 2 to 2.8% copper and at least one element selected from zirconium, vanadium and hafnium present in an amount not exceeding about 0.2%, the balance aluminum and incidental elements and impurities. The alloy product is suitable for aerospace applications.

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