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材料工程  2013, Vol. Issue (8): 60-64    DOI: 10.3969/j.issn.1001-4381.2013.08.010
  测试与表征 本期目录 | 过刊浏览 | 高级检索 |
海水中Zn(OH)2对镀锌钢腐蚀行为的影响
刘栓1,2, 孙虎元1, 孙立娟1, 范汇吉1,2, 刘增文1
1. 中国科学院 海洋研究所, 山东 青岛 266071;
2. 中国科学院 研究生院, 北京 100049
Effects of Zn(OH)2 on Corrosion Behavior of Galvanized Steel in Seawater
LIU Shuan1,2, SUN Hu-yuan1, SUN Li-juan1, FAN Hui-ji1,2, LIU Zeng-wen1
1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, Shandong, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China
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摘要 将镀锌钢试样浸入饱和Zn(OH)2海水溶液中以模拟腐蚀环境,采用失重法、扫描电镜(SEM)、极化曲线和交流阻抗谱研究了海水中Zn(OH)2对镀锌钢腐蚀行为的影响。结果表明:电极表面上由于腐蚀产物Zn(OH)2的吸附,镀锌层的膜结构遭到破坏,随着浸泡时间的延长,镀锌钢表面发生腐蚀反应时的电荷转移电阻逐渐减小,自腐蚀电流密度逐渐增大,腐蚀产物Zn(OH)2的吸附诱导了镀锌层表面点蚀的发生。
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刘栓
孙虎元
孙立娟
范汇吉
刘增文
关键词 腐蚀产物氢氧化锌镀锌钢海水腐蚀行为    
Abstract:Galvanized steel specimen was immersed in saturated Zn(OH)2 seawater solution to simulate the corrosive environment, using the mass loss method, scanning electron microscopy (SEM), polarization curves and electrochemical impedance spectroscopy(EIS) to study the corrosion behavior of galvanized steel. The results showed that the membrane of the Zn coating was damaged because of the corrosion products Zn(OH)2 adsorption. With the increased of immersion time, the charge transfer resistance decreased and the corrosion current density increased during the corrosion reaction of galvanized steel. Pitting on the galvanized steel surface was induced by the adsorption of corrosion products Zn(OH)2.
Key wordscorrosion product    Zn(OH)2    galvanized steel    seawater    corrosion behavior
收稿日期: 2012-03-27      出版日期: 2013-08-20
中图分类号:  TG174.44  
基金资助:国家自然科学基金资助项目(41076046)
作者简介: 刘栓(1986-),男,博士研究生,从事海洋金属腐蚀与防护研究。
引用本文:   
刘栓, 孙虎元, 孙立娟, 范汇吉, 刘增文. 海水中Zn(OH)2对镀锌钢腐蚀行为的影响[J]. 材料工程, 2013, (8): 60-64.
LIU Shuan, SUN Hu-yuan, SUN Li-juan, FAN Hui-ji, LIU Zeng-wen. Effects of Zn(OH)2 on Corrosion Behavior of Galvanized Steel in Seawater. Journal of Materials Engineering, 2013, (8): 60-64.
链接本文:  
http://jme.biam.ac.cn/CN/10.3969/j.issn.1001-4381.2013.08.010      或      http://jme.biam.ac.cn/CN/Y2013/V/I8/60
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