Title:
ALUMINUM ALLOY MATERIAL HAVING IMPROVED CORROSION RESISTANCE FOR GAS TUBE IN EGR COOLER
Document Type and Number:
WIPO Patent Application WO/2018/194193
Kind Code:
A1
Abstract:
The present invention relates to an aluminum alloy material for a gas tube included in an exhaust gas recirculation (EGR) system, and more specifically, comprising: a core material; an outer material cladded onto one surface or two surfaces of the core material; and an intermediate material cladded in between the core material and the outer material to prevent magnesium from the core material diffusing into the outer material, wherein the core material comprises copper (Cu), silicon (Si), iron (Fe), magnesium (Mg), manganese (Mn), titanium (Ti), and aluminum (Al). The aluminum alloy material for the gas tube in the EGR cooler, according to the present invention, provides the advantage of maintaining a long life even under extreme environments due to excellent hardness and corrosion resistance.
Inventors:
CHO HYUNG GEUN (KR)
Application Number:
PCT/KR2017/004195
Publication Date:
October 25, 2018
Filing Date:
April 19, 2017
Export Citation:
Assignee:
KORENS CO LTD (KR)
International Classes:
C22C21/00; B32B15/01; B32B15/20; C22C21/02; F02M26/29
Foreign References:
| JP2006152380A | 2006-06-15 | |||
| US20160319401A1 | 2016-11-03 | |||
| JP2008261025A | 2008-10-30 | |||
| KR20110036549A | 2011-04-07 | |||
| KR20000049226A | 2000-07-25 |
Other References:
See also references of EP 3613865A4
Attorney, Agent or Firm:
KIM, Sun Kee et al. (KR)
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