アルミニウム合金ブレージングシートおよび熱交換器

Title:

アルミニウム合金ブレージングシートおよび熱交換器

Document Type and Number:

Japanese Patent JP5714387

Kind Code:

B2

Abstract:

The present invention provides an aluminum alloy brazing sheet that is applied particularly to a tube material of a heat exchanger and is excellent in brazability and erosion resistance. The present invention is an aluminum alloy brazing sheet having a core material comprising an Al—Mn system alloy and a brazing filler metal comprising an Al—Si system alloy containing Fe by 0.45 mass % or less on one surface or both the surfaces of the core material and is characterized in that, after subjected to a brazing treatment for 3 minutes at 600° C.: the area ratio of eutectic Si that is the flow passage of the brazing filler metal in a cross section of a solidified brazing filler metal is 35% or less; and the grain size in the rolling direction at the center section in the sheet thickness direction of the core material is 80 μm or more.

Inventors:

Takahiro Izumi
Ueda Toshiki
Kimura Shinpei
Invitation Tsuruno

Application Number:

JP2011081008A

Publication Date:

May 07, 2015

Filing Date:

March 31, 2011

Export Citation:

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