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.

Date of Patent:
Aug. 06, 2019

Filed:

Mar. 24, 2014
Applicants:

Kobe Steel, Ltd., Kobe-shi, JP;

Denso Corporation, Kariya-shi, JP;

Inventors:

Takahiro Izumi, Tochigi, JP;

Shimpei Kimura, Tochigi, JP;

Yuji Shibuya, Tochigi, JP;

Shoei Teshima, Aichi, JP;

Hayaki Teramoto, Aichi, JP;

Osamu Hakamata, Aichi, JP;

Assignees:

KOBE STEEL, LTD., Kobe-shi, JP;

DENSO CORPORATION, Kariya-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/22 (2006.01); B23K 35/02 (2006.01); C22C 21/00 (2006.01); C22F 1/04 (2006.01); B23K 35/28 (2006.01); B32B 15/01 (2006.01);
U.S. Cl.
CPC ...
B23K 35/0233 (2013.01); B23K 35/286 (2013.01); B32B 15/016 (2013.01); C22C 21/00 (2013.01); C22F 1/04 (2013.01); Y10T 428/12764 (2015.01);
Abstract

This brazed structure includes a brazing sheet that has been brazed and that comprises: a core material comprising an aluminum alloy which contains 0.3-1.0 mass %, excluding 0.3 mass %, Si, 0.6-2.0 mass %, excluding 0.6 mass %, Mn, 0.3-1.0 mass %, excluding 0.3 mass %, Cu, and 0.15-0.5 mass %, excluding 0.15 mass %, Mg, with the remainder comprising Al and unavoidable impurities, and has an average crystal grain diameter of 50 μm or larger and in which an Mg—Si intermetallic compound and an Al—Mg—Si—Cu intermetallic compound account for 40% or less of the grain boundaries; and, clad to the core material, a brazing material comprising an Al—Si alloy.


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