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中国腐蚀与防护学报  2013, Vol. 33 Issue (3): 245-250    
  本期目录 | 过刊浏览 |
十八硫醇自组装膜对青铜-银电偶腐蚀的
抑制作用
万 俐1 杜 伟2 李佳佳2 丁 毅2 陈步荣2
1. 南京博物院 南京 210016;
2. 南京工业大学材料科学与工程学院 南京 210009
Inhibition Effects of Odtadecanethiol Self-assembled Monolayers for Bronze-silver Galvanic Corrosion
WAN Li1, DU Wei2, LI Jiajia2, DING Yi2, CHEN Burong2
1. Nanjing Museum, Nanjing 210016, China;
2. College of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, China
全文: PDF(794 KB)  
摘要: 采用十八硫醇(ODT)的乙醇溶液在青铜和Ag表面制备了自组装膜(SAMs)。通过测量青铜-银的电偶电流和室内加速变色实验,研究了自组装前后的电偶腐蚀性能。采用XPS,Tafel极化曲线法和微分电容法初步研究了ODT SAMs的作用机理。结果表明:ODT分子通过S与基体形成硫醇盐,吸附在青铜和Ag表面形成自组装膜,该自组装膜在3.5%NaCl溶液和含S大气中,能够有效抑制青铜和Ag之间的电偶腐蚀,属于混和型缓蚀剂。
关键词 十八硫醇自组装膜电偶腐蚀青铜Ag    
Abstract:Abstract:In order to solve the galvanic corrosion problem between bronze and silver, the self-assemble monolayers(SAMs) of odtadecanrthiol (ODT) was prepared on the surfaces of bronze and silver. The galvanic corrosion between bronze and silver were investigated by couple corrosion current and accelerated discoloration test. Corrosion inhibition and function mechanism of ODT SAMs were investigated by X-ray photoelectron spectroscopy (XPS), polarization curves and differential capacity methods. The results showed that ODT molecular adsorbed on the surface of bronze and silver to form SAMs through the formation of thiolate. In a solution of 3.5%NaCl concentration and sulfur air, the ODT SAMs could prohibit the galvanic corrosion between bronze and silver. ODT SAMs was a kind of mixed inhibitors.
Key wordsKey words:odtadecanrthiol    self-assembled monolayer    galvanic corrosion    bronze    silver
    
ZTFLH:  TG172.3  

引用本文:

万 俐 杜 伟 李佳佳 丁 毅 陈步荣. 十八硫醇自组装膜对青铜-银电偶腐蚀的
抑制作用[J]. 中国腐蚀与防护学报, 2013, 33(3): 245-250.
. Inhibition Effects of Odtadecanethiol Self-assembled Monolayers for Bronze-silver Galvanic Corrosion. Journal of Chinese Society for Corrosion and protection, 2013, 33(3): 245-250.

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2013/V33/I3/245

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