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Title:
ALUMINUM ALLOY BRAZING SHEET AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2013023748
Kind Code:
A
Abstract:

To provide an aluminum alloy brazing sheet having excellent formability and good corrosion resistance, with which erosion of a brazing filler metal is prevented during brazing and good brazing property is obtained.

The aluminum alloy brazing sheet includes an aluminum alloy core material and a brazing filler metal of an Al-Si-based alloy, with which at least one surface thereof is cladded, and is characterized in that each of the core material and the brazing filler metal has a specified alloy composition, and as the metal structure of the core material, the distribution density of an intermetallic compound of ≥0.01 and <0.1 μm is 104 to 5×105 pieces/mm2, the distribution density of the intermetallic compound of ≥0.1 and <1 μm is 104 to 5×106 pieces/mm2, and the distribution density of the intermetallic compound of ≥1 μm is ≥5×103 pieces/mm2. Also, there is provided a method for manufacturing the aluminum alloy brazing sheet.


Inventors:
ANDO MAKOTO
FUKUMOTO ATSUSHI
OTANI YOSHIYUKI
NIIKURA AKIO
Application Number:
JP2011161781A
Publication Date:
February 04, 2013
Filing Date:
July 25, 2011
Export Citation:
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Assignee:
FURUKAWA SKY ALUMINUM CORP
International Classes:
C22C21/00; B21B3/00; B23K1/00; B23K1/19; B23K35/22; B23K35/28; C22F1/04; F28F21/08; B23K101/14; B23K103/10; C22F1/00
Domestic Patent References:
JP2010209426A2010-09-24
JP2008231555A2008-10-02
JP2007327093A2007-12-20
Attorney, Agent or Firm:
Megumi Yumoto