Corrosion resistance and adsorption behavior of bis-(γ-triethoxysilylpropyl)- tetrasulfide self-assembled membrane on 6061 aluminum alloy

被引：15
|
作者：
Wen, Yu-qing [1 ,2 ]
Meng, Hui-min [1 ]
Shang, Wei [2 ]
机构：
[1] Univ Sci & Technol Beijing, Lab Corros Eros & Surface Technol, Corros & Protect Ctr, Beijing 100083, Peoples R China
[2] Guilin Univ Technol, Guangxi Key Lab Electrochem & Magnetochem Funct M, Guilin 541004, Peoples R China
来源：
RSC ADVANCES | 2015年 / 5卷 / 98期
关键词：
METAL-SURFACES; MILD-STEEL; DERIVATIVES; ACID; NANOPARTICLES; COPPER; MEDIA; LAYER; FILMS;
D O I：
10.1039/c5ra12034a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A bis-(gamma-triethoxysilylpropyl)-tetrasulfide (BTESPT) self-assembled membrane (SAM) was prepared by selfassembly membrane technology on 6061 aluminum alloy. The SAM was evaluated using electrochemical techniques (potentiodynamic polarization and electrochemical impedance) in 3.5 wt% NaCl solution. In addition, molecular dynamics calculations showed a high binding energy between the self-assembled molecule and aluminum alloy surface. The formation of the self-assembled molecule was believed to be achieved by a chemical bond between the silicon oxide group and the metal surface atoms. Finally, X-ray photoelectron spectroscopy and scanning electron microscopy were carried out to confirm that BTESPT could form a membrane on 6061 aluminum alloy.
引用
收藏
页码：80129 / 80135
页数：7
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