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:
Jun. 13, 2017
Filed:
Mar. 15, 2013
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Qigui Wang, Rochester Hills, MI (US);
Wenying Yang, Rochester Hills, MI (US);
Jason R. Traub, Sterling Heights, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 21/04 (2006.01); B22D 17/00 (2006.01); C22F 1/043 (2006.01); B22D 21/00 (2006.01);
U.S. Cl.
CPC ...
C22C 21/04 (2013.01); B22D 17/00 (2013.01); B22D 21/007 (2013.01); C22F 1/043 (2013.01);
Abstract
Copper-free aluminum alloys suitable for high pressure die casting and capable of age-hardening under elevated temperatures are provided. The allow includes about 9.5-13 wt % silicon, about 0.2 to 0.6 wt % Magnesium, about 0.1 to 2 wt % iron, about 0.1 to 2 wt % manganese, about 0.1 to 1 wt % nickel, about 0.5 to 3 wt % zinc, and 0 to 0.1 wt % strontium, with a balance of aluminum. Methods for making high pressure die castings and castings manufactured from the alloy are also provided.