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:
Mar. 27, 2012
Filed:
Jul. 15, 2008
Atsushi Fukumoto, Tokyo, JP;
Hiroshi Kano, Tokyo, JP;
Akio Niikura, Tokyo, JP;
Yoichiro Bekki, Tokyo, JP;
Kenji Negura, Aichi, JP;
Tatsuo Ozaki, Aichi, JP;
Toshihide Ninagawa, Aichi, JP;
Keiichi Okazaki, Aichi, JP;
Atsushi Fukumoto, Tokyo, JP;
Hiroshi Kano, Tokyo, JP;
Akio Niikura, Tokyo, JP;
Yoichiro Bekki, Tokyo, JP;
Kenji Negura, Aichi, JP;
Tatsuo Ozaki, Aichi, JP;
Toshihide Ninagawa, Aichi, JP;
Keiichi Okazaki, Aichi, JP;
Furukawa-sky Aluminum Corp, Tokyo, JP;
Denso Corporation, Aichi, JP;
Abstract
An aluminum alloy brazing sheet having high strength comprising: a core alloy; an Al—Si-based filler alloy cladded on one side or both sides of the core alloy, wherein the core alloy is composed of an aluminum alloy containing 0.3-1.2% (mass %, the same applies the below) Si, 0.05-0.4% Fe, 0.3-1.2% Cu, 0.3-1.8% Mn, 0.05-0.6% Mg, and containing one or more elements selected from the group consisting of 0.02-0.3% Ti, 0.02-0.3% Zr, 0.02-0.3% Cr and 0.02-0.3% V, the balance of Al and unavoidable impurities; and wherein, after the aluminum alloy brazing sheet is subjected to brazing, the core alloy features a metallic structure in which a density of intermetallic compounds having a grain diameter of at least 0.1 μm is at most ten grains per μm.