Aluminum alloy product

Details Aluminum alloy product Aluminum alloy product

C - Chemistry, Metallurgy

22

C

C22C 21/06 (2006.01)

Patent

CA 2280191

An aluminum alloy product for use as a damage tolerant product for aerospace applications, including fuselage skin stock. The aluminum alloy composition contains about 3-7 wt.% magnesium, about 0.03-0.2 wt.% zirconium, about 0.2-1.2 wt.% manganese, up to 0.15 wt.% silicon and about 0.05-0.5 wt.% of a dispersoid-forming element selected from the group consisting of scandium, erbium, yttrium, gadolinium, holmium and hafnium, the balance being aluminum and incidental elements and impurities.

L'invention porte sur un alliage d'aluminium tolérant les dommages destiné à des applications aérospatiales dont la peau des fuselages. Ledit alliage contient environ 3-7 % en poids de magnésium, environ 0,03-0,2 % en poids de zirconium, environ 0,2-1,2 % en poids de manganèse, jusqu'à 0,15 % en poids de silicium, et environ 0,05-0,5 % en poids d'un élément constituant un dispersoïde choisi parmi le scandium, l'erbium, l'yttrium, le gadolinium, l'holmium et le hafnium, le reliquat se composant d'aluminium, d'éléments imprévus et d'impuretés.

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