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The influence of sulphate-reducing bacteria on heterogeneous electrochemical corrosion behavior of Q235 carbon steel in seawater
Chen, S. -Q.; Wang, P.; Zhang, D.
2016-04-01
发表期刊MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
卷号67期号:4页码:340-351
文章类型Article
摘要In this article, wire beam electrode (WBE) technique, electrochemical impedance spectroscopy (EIS), scanning electron microscope (SEM), and X-ray photoelectron spectroscopy (XPS) were used to investigate heterogeneous electrochemical corrosion behavior of Q235 carbon steel in seawater containing sulphate-reducing bacteria (SRB). The presence of SRB in seawater results in the change of corrosion form of Q235 carbon steel from uniform corrosion to localized corrosion. Meanwhile, current distribution of Q235 carbon steel surface changes from homogeneity to heterogeneity in SRB medium, which is opposite to the trend in sterile medium. The localized corrosion process of Q235 carbon steel in SRB medium is indicated by increasing anodic area, and it centralizes in some local areas along with increasing of immersion time. In SRB medium, cathodic and anodic areas present different morphological characteristics. The corrosion products film on cathodic area is compact, whereas that in anodic area is loose. The corrosion products of Q235 carbon steel in SRB medium are mainly composed of FeS, FeO, and FeSO4 and it is hard to find the difference in composition between cathodic and anodic areas.
关键词Electrochemical Impedance Spectroscopy Heterogeneous Electrochemical Corrosion Microbiologically Influenced Corrosion Sulphate-reducing Bacteria Wire Beam Electrode
DOI10.1002/maco.201508555
收录类别SCI
语种英语
WOS记录号WOS:000373610200002
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/126256
专题海洋腐蚀与防护研究发展中心
作者单位Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
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Chen, S. -Q.,Wang, P.,Zhang, D.. The influence of sulphate-reducing bacteria on heterogeneous electrochemical corrosion behavior of Q235 carbon steel in seawater[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2016,67(4):340-351.
APA Chen, S. -Q.,Wang, P.,&Zhang, D..(2016).The influence of sulphate-reducing bacteria on heterogeneous electrochemical corrosion behavior of Q235 carbon steel in seawater.MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,67(4),340-351.
MLA Chen, S. -Q.,et al."The influence of sulphate-reducing bacteria on heterogeneous electrochemical corrosion behavior of Q235 carbon steel in seawater".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 67.4(2016):340-351.
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