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	Effects of metabolic activity of sulphate-reducing bacteria on heterogeneous corrosion behaviors of copper in seawater
	Chen, Shiqiang1,2; Zhang, Dun1,2
	2018-08-01
发表期刊	MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
ISSN	0947-5117
卷号	69期号:8页码:985-997
通讯作者	Zhang, Dun(zhangdun@qdio.ac.cn)
摘要	In this paper, wire beam electrode method combined with other analysis methods, that is, electrochemical impedance spectroscopy, scanning electron microscope, and X-ray photoelectron spectroscopy, was used to investigate effects of metabolic activity of sulphate-reducing bacteria (SRB) on heterogeneous corrosion behaviors of copper in seawater. Results show that heterogeneous corrosion behaviors of copper are associated with metabolic activity of SRB, that is, the higher metabolic activity of SRB is, the more heterogeneously current of copper distributes. In particularly, on the 5th day of exposure, SRB cells on cathodic and anodic areas display distinct micromorphologies. SRB attach onto corrosion products film surface in anodic area, while they implant in corrosion products film with self-produced organic nanowires in cathodic area. These organic nanowires may be conductive, and help SRB to obtain electrons from cathodic area directly. The XPS results show that the relative content of corrosion products components on cathodic area is obviously different with that on anodic area when SRB with the high metabolic activity are present.
关键词	copper EIS microbiologically influenced corrosion SEM XPS
DOI	10.1002/maco.201709945
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51771180] ; National Key Research and Development Program of China[2016YFB0300604] ; National Key Research and Development Program of China[2014CB643304] ; Qingdao National Laboratory for Marine Science and Technology ; National Natural Science Foundation of China[51771180] ; National Key Research and Development Program of China[2016YFB0300604] ; National Key Research and Development Program of China[2014CB643304] ; Qingdao National Laboratory for Marine Science and Technology ; National Natural Science Foundation of China[51771180] ; National Key Research and Development Program of China[2016YFB0300604] ; National Key Research and Development Program of China[2014CB643304] ; Qingdao National Laboratory for Marine Science and Technology
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000440554900003
出版者	WILEY-V C H VERLAG GMBH
引用统计	被引频次：5[WOS]   [WOS记录]     [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/159665
专题	海洋环境腐蚀与生物污损重点实验室
通讯作者	Zhang, Dun
作者单位	1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, 1 Wenhai Rd, Qingdao 266237, Peoples R China
第一作者单位	中国科学院海洋研究所
通讯作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	Chen, Shiqiang,Zhang, Dun. Effects of metabolic activity of sulphate-reducing bacteria on heterogeneous corrosion behaviors of copper in seawater[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2018,69(8):985-997.
APA	Chen, Shiqiang,&Zhang, Dun.(2018).Effects of metabolic activity of sulphate-reducing bacteria on heterogeneous corrosion behaviors of copper in seawater.MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,69(8),985-997.
MLA	Chen, Shiqiang,et al."Effects of metabolic activity of sulphate-reducing bacteria on heterogeneous corrosion behaviors of copper in seawater".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 69.8(2018):985-997.

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Effects of metabolic（3850KB）	期刊论文	出版稿	限制开放	CC BY-NC-SA	浏览

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