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Title:
HEAT EXCHANGER ALUMINUM ALLOY FIN MATERIAL AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2012/029594
Kind Code:
A1
Abstract:
This heat exchanger aluminum alloy fin material: has an Fe concentration of 0.20-1.0 mass% and a Cu concentration of 0.02-0.1 mass%; suppresses Si concentration to 0.15 mass% or less, Mn concentration to 0.015 mass% or less, and Cr concentration to 0.015 mass% or less; and has the remainder comprise Al and inevitable impurities. Therein, the thickness of the heat exchanger aluminum alloy fin material is 0.1mm or less, the average particle diameter of the subgrains is 2.5 μm or less, and the volume fraction of β-Fiber is 80% or more. This fin material makes it possible to suppress the occurrence of collar cracking during forming.

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Inventors:
KANEDA DAISUKE
UMEDA HIDETOSHI
OTA YOSUKE
HOSHINO KOZO
Application Number:
PCT/JP2011/068973
Publication Date:
March 08, 2012
Filing Date:
August 23, 2011
Export Citation:
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Assignee:
KOBE STEEL LTD (JP)
KANEDA DAISUKE
UMEDA HIDETOSHI
OTA YOSUKE
HOSHINO KOZO
International Classes:
C22C21/00; C22F1/04; F28F21/08; C22F1/00
Foreign References:
JP2006104488A2006-04-20
JPH032343A1991-01-08
JPH08313191A1996-11-29
JP2009250510A2009-10-29
JPH09137242A1997-05-27
JPH04371541A1992-12-24
JPH09176805A1997-07-08
JPH05230579A1993-09-07
JPH1180869A1999-03-26
JP2005264289A2005-09-29
JPS57155340A1982-09-25
JPS58224156A1983-12-26
JPS59190346A1984-10-29
JPH01180869A1989-07-18
JP4275560B22009-06-10
JP2010223520A2010-10-07
JP3383914B22003-03-10
JP2008224204A2008-09-25
JP2010223514A2010-10-07
JP2010198326A2010-09-03
JP2011080856A2011-03-31
Other References:
See also references of EP 2612938A4
Attorney, Agent or Firm:
OGURI Shohei et al. (JP)
Shohei Oguri (JP)
Download PDF:
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Claims:



 
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