Title:
ALUMINUM ALLOY BRAZING SHEET
Document Type and Number:
WIPO Patent Application WO/2017/159356
Kind Code:
A1
Abstract:
An aluminum alloy brazing sheet 1 provided with a core 2, a brazing material 3 comprising an Al-Si-based alloy provided on one surface of the core 2, a first sacrificial material 4 comprising an Al-Zn-based alloy provided on the other surface of the core 2, and a second sacrificial material 5 comprising an Al-Zn-Mg-based alloy provided between the first sacrificial material 4 and the core 2, the aluminum alloy brazing sheet 1 characterized in that the brazing sheet 1 has a thickness of less than 200 µm, the core 2 contains predetermined amounts of Mn and Cu, the remainder thereof comprising Al and unavoidable impurities, the first sacrificial material 4 contains a predetermined amount of Zn, and Mg in an amount less than the predetermined amount, the remainder thereof comprising Al and unavoidable impurities, and the second sacrificial material 5 contains predetermined amounts of Zn and Mg, the remainder thereof comprising Al and unavoidable impurities.
Inventors:
KIMURA SHIMPEI
SHIBUYA YUJI
TSURUNO AKIHIRO
SHIBUYA YUJI
TSURUNO AKIHIRO
Application Number:
PCT/JP2017/007938
Publication Date:
September 21, 2017
Filing Date:
February 28, 2017
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C22C21/00; B23K35/22; F28F19/06; F28F21/08
Foreign References:
| JP2005298913A | 2005-10-27 | |||
| JP2012513539A | 2012-06-14 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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