Aluminum magnesium alloy product containing dispersoids

Alloys or metallic compositions – Aluminum base – Magnesium containing

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148415, 148440, 420543, 420546, 420553, C22C 2104

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active

056246323

ABSTRACT:
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.

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"Metallic Structures Used in Aerospace During 25 Years and Prospekts" by Karl-Hein Rendigs Ref: SAMPE Proceedings, Toulouse, France 1994.

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