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Patent Searching and Data


Title:
ALUMINUM ALLOY COMPOSITE FOR BRAZING AND HEAT EXCHANGER INCLUDING THE SAME
Document Type and Number:
WIPO Patent Application WO/2005/028153
Kind Code:
A1
Abstract:
A core material having its one side surface provided with an Al-Si brazing material and having its other side surface clad with a skin material at a ratio of 6 to 30% based on the total thickness of plate. The core material comprises 0.2 mass% or less of Mg, 0.3 mass% or less of Cr, 0.2 mass% or less of Fe, 0.2 to 1.0 mass% of Cu, 0.05 to 1.3 mass% of Si, 0.3 to 1.8 mass% of Mn and 0.02 to 0.3 mass% of Ti, wherein the amount of Cu + Si is 2.0 mass% or less. The skin material comprises 2 to 9 mass% of Zn, 0.3 to 1.8 mass% of Mn and/or 0.04 to 1.2 mass% of Si and further comprises 0.02 to 0.25 mass% of Fe, 0.01 to 0.30 mass% of Cr, 0.005 to 0.15 mass% of Mg and/or 0.001 to 0.15 mass% of Cu.

Inventors:
UEDA TOSHIKI (JP)
KOSHIGOE FUMIHIRO (JP)
SATO FUMIHIRO (JP)
Application Number:
PCT/JP2003/011872
Publication Date:
March 31, 2005
Filing Date:
September 18, 2003
Export Citation:
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Assignee:
KOBE ALCOA TRANSP PRODUCTS LTD (JP)
UEDA TOSHIKI (JP)
KOSHIGOE FUMIHIRO (JP)
SATO FUMIHIRO (JP)
International Classes:
B23K35/02; B32B15/01; C22C21/00; C22C21/12; F28F21/08; B23K35/28; (IPC1-7): B23K35/22; C22C21/00
Foreign References:
JP2002294377A2002-10-09
JP2003268470A2003-09-25
JP2003293064A2003-10-15
JP2003293060A2003-10-15
JPH05318171A1993-12-03
JPH09287062A1997-11-04
JPH1161305A1999-03-05
JPH1161306A1999-03-05
JP2002294377A2002-10-09
JP2000026931A2000-01-25
Other References:
"ASM Speciality Handbook Aluminium Alloys", 1996
See also references of EP 1666190A4
Attorney, Agent or Firm:
Fujimaki, Masanori (Fukoku Seimei Building 2-2, Uchisaiwaicho 2-chom, Chiyoda-ku Tokyo, JP)
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