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:
May. 08, 2018
Filed:
May. 10, 2013
Applicant:
Alcoa Inc., Pittsburgh, PA (US);
Inventor:
Baolute Ren, Lititz, PA (US);
Assignee:
Arconic Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 1/00 (2006.01); B32B 1/08 (2006.01); B32B 15/01 (2006.01); B23K 35/02 (2006.01); B32B 15/04 (2006.01); C22C 21/06 (2006.01); B32B 15/20 (2006.01); C22C 21/08 (2006.01); C22C 21/00 (2006.01); F28F 21/08 (2006.01); C22C 21/02 (2006.01);
U.S. Cl.
CPC ...
F28F 1/003 (2013.01); B23K 35/0233 (2013.01); B23K 35/0238 (2013.01); B32B 1/08 (2013.01); B32B 15/016 (2013.01); B32B 15/043 (2013.01); B32B 15/20 (2013.01); C22C 21/00 (2013.01); C22C 21/02 (2013.01); C22C 21/06 (2013.01); C22C 21/08 (2013.01); F28F 21/084 (2013.01); Y10T 428/12354 (2015.01); Y10T 428/12361 (2015.01); Y10T 428/12375 (2015.01); Y10T 428/12736 (2015.01); Y10T 428/12764 (2015.01); Y10T 428/13 (2015.01);
Abstract
An aluminum sheet product comprises: a core layer comprising one of a 3xxx, 5xxx and 6xxx aluminum alloy; and a liner layer comprising one of a 3xxx aluminum alloy having an additive of 0.5-5% Zn, and a 7xxx aluminum alloy. In some embodiments, the aluminum sheet product r has an O temper pre-braze tensile strength of at least 20 Ksi. In some embodiments the corrosion potential difference between the liner and core is at least 30 millivolts. In some embodiments, the aluminum sheet product further comprises an inner layer comprising one of a 3xxx and a 4xxx aluminum alloy.