Corrosion Resistance of Modified Silane Films Formed on AZ31 Magnesium Alloys

被引：0
|
作者：
Cao, Xianlong [1 ,2 ]
Pan, Fusheng [2 ]
Deng, Hongda [1 ]
Cai, Wei [1 ]
机构：
[1] Chongqing Univ Sci & Technol, Sch Met & Mat Engn, Chongqing 401331, Peoples R China
[2] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
来源：
ADVANCED STRUCTURAL MATERIALS | 2011年 / 686卷
关键词：
magnesium alloy; silane film; corrosion resistance; cerium nitrate; CONVERSION FILMS; MG ALLOY; COATINGS; PROTECTION;
D O I：
10.4028/www.scientific.net/MSF.686.21
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This present work investigated the corrosion behavior of AZ31 magnesium alloy substrates pre-treated with bis-[triethoxysilylpropyl] tetrasulfide silane modified with cerium nitrate. The corrosion behavior of the pre-treated substrates in 0.005M sodium chloride solutions was assessed by potentiodynamic polarization, open circuit potential and electrochemical impedance spectroscopy (EIS). The results showed that the slime pre-treatments improved the corrosion resistance of the AZ31 magnesium alloy substrates in the presence of chloride ions. Especially the addition of cerium nitrate played an important role in reducing the corrosion activity.
引用
收藏
页码：21 / +
页数：2
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