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Title:
SURFACE BRAZING METHOD OF ALUMINUM ALLOY MATERIAL
Document Type and Number:
Japanese Patent JP2012071335
Kind Code:
A
Abstract:

To provide a flux-free method of surface brazing two aluminum alloy members using a single-layer brazing sheet.

While maintaining a brazing temperature of 570°C or greater in an inert gas atmosphere and while applying a surface pressure of at least 0.6 gf/mm2, the aluminum alloy members are brazed flux-free, in a state in which a single-layer brazing sheet 15-200 μm thick comprising a brazing material including a component composition of 3-12 mass% Si, 0.1-5.0 mass% Mg and the remaining portion consisting of Al and unavoidable impurities is positioned between and in surface contact with the aluminum alloy members which have a solidus temperature of 570°C or greater.


Inventors:
KOKUBO TAKAKUNI
HORI HISASHI
SASAKI TOMOHIRO
Application Number:
JP2010000218791
Publication Date:
April 12, 2012
Filing Date:
September 29, 2010
Export Citation:
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Assignee:
NIPPON LIGHT METAL CO
International Classes:
B23K1/19; B23K1/00; B23K31/02; B23K35/14; B23K35/22; B23K35/28; C22C21/00; C22F1/043; B23K35/40; B23K101/14; B23K103/10; C22F1/00
Domestic Patent References:
JPH10180489A1998-07-07
JP2003126986A2003-05-08
JP2010168613A2010-08-05
Attorney, Agent or Firm:
岡田 萬里