Influence of Triethylamine Inhibitor Addition on the Sealing Process of 6063 Al Alloy

被引：0
|
作者：
Yu, Hui Cheng [1 ]
Huang, Xiao Xiao [1 ]
Han, Yan Yan [1 ]
Wei, Dong Ping [1 ]
机构：
[1] Guangxi Univ Nationalities, Sch Chem & Chem Engn, Nanning 530006, Guangxi, Peoples R China
来源：
MATERIALS PROCESSING TECHNOLOGY II, PTS 1-4 | 2012年 / 538-541卷
关键词：
aluminum alloy; coating; ethylamine; inhibitor; corrosion resistance; ALUMINUM; PERFORMANCE; SURFACE;
D O I：
10.4028/www.scientific.net/AMR.538-541.230
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To improve the corrosion resistance of Al alloy, triethylamine (TEN) was added into the sealing solutions. Tafel polarization and electrochemical impedance spectroscopy(EIS) techniques were used to investigate the electrochemical behavior of sealing coatings formed in different concentrations of triethylamine(TEN). Compared with the coatings with D. I. water and the bare aluminum alloy, the polarization curves show that the sealing coatings formed in 5.0 7.0 g.L-1 triethylamine (TEN) solutions have more positive corrosion potential (E-corr) and pitting corrosion potential (E-pit), and lower corrosion current density (i(cori)). Electrochemical parameters of EIS indicate that the sealing coatings have higher corrosion resistance. The electrochemical test results show the prepared sealing coatings have better corrosion resistance.
引用
收藏
页码：230 / 234
页数：5
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