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Al-Si-Mn-Mg alloy for forming automotive structural parts by casting and T5 heat treatment

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
An aluminum alloy shaped casting includes about 6.3 wt. % to 9 wt. % silicon, about 0.05 wt. % to 0.4 wt. % magnesium, no more than about 0.8 wt. % manganese, no more than 0.5 wt. % copper, no more than about 1 wt. % zinc, no more than about 0.2 wt. % iron, no more than about 0.2 wt. % titanium, and no more than about 0.04 wt. % strontium, the aluminum alloy shaped casting receiving a T5 heat treatment.
Lin, Jen C. (Export, PA), Fang, Que-Tsang (Export, PA), Sindel, Manfred G. (Heilbronn, DE), Haddenhorst, Holger (Gelsenkirchen, DE), Klueppel, Frank (Medebach, DE)
11/ 031,095
January 6, 2005
[0002] The early stage of this invention was developed under a contract with the U.S. Department of Energy, Contract No. DE-AC05-840R21400.