Title:
ALUMINUM ALLOY BRAZING SHEET FOR AUTOMOBILE HEAT EXCHANGER WITH EXCELLENT AGE HARDENABILITY, AND HEAT EXCHANGER EQUIPPED THEREWITH
Document Type and Number:
Japanese Patent JP2013221183
Kind Code:
A
Abstract:
To provide an aluminum alloy brazing sheet for an automobile heat exchanger which can cope with further thinning in the future, which has high strength, and which causes no problem in terms of intergranular corrosion after brazing.
An aluminum alloy brazing sheet for an automobile heat exchanger is formed by cladding a sacrificial material on one side of a core material and a brazing filler metal on the other side, wherein the core material includes Cu: 1.4-2.2% (mass%, the same shall apply hereafter), Fe: 0.1-0.4%, total of Mn and Si: <0.2%, with the balance being aluminum and inevitable impurities, and the sacrificial material includes Zn: 3.0-7.0%, Mg: 0.5-2.5%, Si: 0.05-0.5%, with the balance being aluminum and inevitable impurities.
Inventors:
ISHIGAMI SHO
YOSHINO MICHIHIDE
KURODA SHU
YOSHINO MICHIHIDE
KURODA SHU
Application Number:
JP2012093942A
Publication Date:
October 28, 2013
Filing Date:
April 17, 2012
Export Citation:
Assignee:
MITSUBISHI ALUMINIUM
International Classes:
C22C21/00; B23K1/00; B23K1/19; B23K35/14; B23K35/22; B23K35/28; F28F21/08; B23K35/40; B23K101/14; B23K103/10
Domestic Patent References:
| JP2010242112A | 2010-10-28 | |||
| JP2009127122A | 2009-06-11 | |||
| JPH07207393A | 1995-08-08 | |||
| JP2002194468A | 2002-07-10 | |||
| JPH08291353A | 1996-11-05 | |||
| JPH09184038A | 1997-07-15 |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Hiroshi Masui
Takashi Watanabe
Hiroshi Masui