High Fracture Toughness Aluminum-Copper-Lithium Sheet or Light-Gauge Plates Suitable for Fuselage Panels
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Sep 25, 2014
app pub date -
May 12, 2014
filing date -
Dec 20, 2005
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Abstract
An aluminum alloy comprising 2.1 to 2.8 wt. % Cu, 1.1 to 1.7 wt. % Li, 0.1 to 0.8 wt. % Ag, 0.2 to 0.6 wt. % Mg, 0.2 to 0.6 wt. % Mn, a content of Fe and Si less or equal to 0.1 wt. % each, and a content of unavoidable impurities less than or equal to 0.05 wt. % each and 0.15 wt. % total, and the alloy being substantially zirconium free.
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