Aluminum-copper-lithium alloys

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United States of America Patent

PATENT NO 9587294
APP PUB NO 20120132324A1
SERIAL NO

13368586

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Abstract

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Improved aluminum-copper-lithium alloys are disclosed. The alloys may include 3.4-4.2 wt. % Cu, 0.9-1.4 wt. % Li, 0.3-0.7 wt. % Ag, 0.1-0.6 wt. % Mg, 0.2-0.8 wt. % Zn, 0.1-0.6 wt. % Mn, and 0.01-0.6 wt. % of at least one grain structure control element, the balance being aluminum and incidental elements and impurities. The alloys achieve an improved combination of properties over prior art alloys.

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Patent OwnerAddress
ARCONIC TECHNOLOGIES LLC201 ISABELLA STREET PITTSBURGH PA 15212-5858

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bray, Gary H Murrysville, US 31 350
Cogswell, Todd K Lafayette, US 3 17
Colvin, Edward L West Lafayette, US 16 221
Denzer, Diana K Lower Burrell, US 18 182
Rioja, Roberto J Murrysville, US 47 478
Sawtell, Ralph R Gibsonia, US 77 960
Wilson, Andre L Bettendorf, US 3 17
Yocum, Les A West Lafayette, US 4 17

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