Invention Grant
- Patent Title: 2xxx series aluminum lithium alloys
- Patent Title (中): 2xxx系列铝锂合金
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Application No.: US13798750Application Date: 2013-03-13
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Publication No.: US09458528B2Publication Date: 2016-10-04
- Inventor: Julien Boselli , Jen Lin , Roberto J. Rioja , Feyen Gerriet , Khurram Shahzad Chaudhry
- Applicant: Alcoa Inc.
- Applicant Address: US PA Pittsburgh
- Assignee: Alcoa Inc.
- Current Assignee: Alcoa Inc.
- Current Assignee Address: US PA Pittsburgh
- Agency: Greenberg Traurig, LLP
- Main IPC: C22C21/18
- IPC: C22C21/18 ; C22C21/16 ; C22F1/057

Abstract:
New 2xxx aluminum lithium alloys are disclosed. The aluminum alloys include 3.5-4.4 wt. % Cu, 0.45-0.75 wt. % Mg, 0.45-0.75 wt. % Zn, 0.65-1.15 wt. % Li, 0.1-1.0 wt. % Ag, 0.05-0.50 wt. % of at least one grain structure control element, up to 1.0 wt. % Mn, up to 0.15 wt. % Ti, up to 0.12 wt. % Si, up to 0.15 wt. % Fe, up to 0.10 wt. % of any other element, with the total of these other elements not exceeding 0.35 wt. %, the balance being aluminum.
Public/Granted literature
- US20130302206A1 2XXX SERIES ALUMINUM LITHIUM ALLOYS Public/Granted day:2013-11-14
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