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AssigneeNovelis Inc.
InventorsShanshan Wang, Fatih Gurcag Sen, Marat Latypov, Heath Randall Murphy, Sazol Kumar Das, Kyle Haines, Dasha Artsykhovska, ShrutHi Tiruchirapalli Kumar Raj, Aurele Blaise Mariaux, Yudie Yuan, Vishwanath Hegadekatte, Jen-Chwen Lin
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Described herein are 6xxx series aluminum alloys which exhibit high corrosion resistance while maintaining high strength-to-weight ratio, formability, and weldability. The 6xxx series aluminum alloys include Cr to improve intergranular corrosion resistance while maintaining high strength and formability. 6xxx series aluminum alloys including Cr in amount from 0.05 wt. % to 0.50 wt. % improved IGC resistance. The Cr addition in 6xxx series aluminum alloys improves the corrosion resistance of aluminum alloy products formed from the aluminum alloy without causing a substantial loss in strength.
An aluminum alloy comprising 0.50-2.50 wt. % Si, 0.10-0.50 wt. % Fe, 0.01-1.20 wt. % Cu, 0.01-0.50 wt. % Mn, 0.30-1.50 wt. % Mg, 0.05-0.50 wt. % Cr, 0.01-0.50 wt. % Zn, up to 0.20 wt. % Zr, up to 0.15 wt. % of impurities, and Al.
A method of producing an aluminum alloy comprising:
Dependencies are inferred from the claim text.