The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2009
Filed:
Jul. 28, 2005
Jen C. Lin, Export, PA (US);
Xinyan Yan, Murrysville, PA (US);
Cagatay Yanar, Pittsburgh, PA (US);
Larry D. Zellman, Yorktown, VA (US);
Xavier Dumant, Laval, FR;
Robert Tombari, Dollard des Ormeaux, CA;
Jen C. Lin, Export, PA (US);
Xinyan Yan, Murrysville, PA (US);
Cagatay Yanar, Pittsburgh, PA (US);
Larry D. Zellman, Yorktown, VA (US);
Xavier Dumant, Laval, FR;
Robert Tombari, Dollard des Ormeaux, CA;
Alcoa Inc., Pittsburgh, PA (US);
Abstract
The present invention provides an aluminum casting alloy with a composition including 4%-9% Si; 0.1%-0.7% Mg; less than or equal to 5% Zn; less than 0.15% Fe; less than 4% Cu; less than 0.3% Mn; less than 0.05% B; less than 0.15% Ti; and the remainder consisting essentially of aluminum. The inventive AlSiMg composition provides increased mechanical properties (Tensile Yield Strength and Ultimate Tensile Strength) in comparison to similiarly prepared E357 alloy at room temperature and high temperature. The present invention also includes a shaped casting formed from the inventive composition and a method of forming a shaped casting from the inventive composition.