Title:
FLUX FOR BRAZING ALUMINUM MATERIALS
Document Type and Number:
WIPO Patent Application WO/2013/008729
Kind Code:
A1
Abstract:
This invention provides a flux for brazing aluminum materials which is capable of brazing an A5052 alloy containing 1.5 wt% or more magnesium even when an Al-Si eutectic alloy (containing 7-12 wt% of Si, a A4343 alloy or A4047 alloy, which starts to melt at approximately 577-615°C) is used as the brazing material. This flux for brazing aluminum-based materials is characterized specifically by comprising, expressed in mol%, 20 mol% ≦ CsF ≦ 49 mol%, 1 mol% ≦ LiF ≦ 58 mol%, 19 mol% ≦ AlF3 ≦ 41 mol%, and 0 mol% < NaF and/or KF ≦ 19mol%.
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Inventors:
NAGAE TAKAHIRO (JP)
Application Number:
PCT/JP2012/067277
Publication Date:
January 17, 2013
Filing Date:
July 06, 2012
Export Citation:
Assignee:
DAIICHI KIGENSO KAGAKU KOGYO (JP)
NAGAE TAKAHIRO (JP)
NAGAE TAKAHIRO (JP)
International Classes:
B23K35/363
Foreign References:
| JPS61249700A | 1986-11-06 | |||
| JPH03264192A | 1991-11-25 | |||
| JP2008500182A | 2008-01-10 | |||
| JPS61162295A | 1986-07-22 | |||
| JPH071177A | 1995-01-06 | |||
| JP2005040839A | 2005-02-17 | |||
| JP5005600B2 | 2012-08-22 | |||
| JPH071177A | 1995-01-06 | |||
| JP5051398B2 | 2012-10-17 |
Other References:
See also references of EP 2732906A4
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
Patent business corporation 3 Edakuni [Hajime] patent firm (JP)
Patent business corporation 3 Edakuni [Hajime] patent firm (JP)
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Claims:
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