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Comparison of water-line corrosion processes in natural and artificial seawater: The role of microbes
Wu, Jiajia1; Wang, Peng1; Gao, Jieyan1,2; Tan, Faqi1,2; Zhang, Dun1; Cheng, Yong1; Chen, Shiqiang1
2017-07-01
Source PublicationELECTROCHEMISTRY COMMUNICATIONS
Volume80Pages:9-15
SubtypeArticle
AbstractLarge wire-beam electrodes constructed via the assembly of Q235 carbon steel cylinder electrodes have been utilized to investigate the processes of water-line corrosion in natural and artificial seawater, and different anode cathode distribution characteristics were observed in these two kinds of media over time. In artificial seawater, sporadic cathodic sites away from the water line switched to anodes, and cathodes tended to concentrate on the water line for extended periods of time, which was in good agreement with the formation of differential aeration cells. Similar distribution characteristics were present at the initial stages in natural seawater, but the polarity was reversed on day 13. This reversal did not last for a long time, and the cylinders at the water line returned to acting as cathodes on day 17. The occurrence and fading of the polarity reversal in natural seawater appeared to be linked with the variation in pH at the gas/liquid interface, which was affected by the presence of microbes.
KeywordWater-line Corrosion Wire Beam Electrode Carbon Steel Natural Seawater Artificial Seawater
DOI10.1016/j.elecom.2017.05.003
Indexed BySCI
Language英语
WOS IDWOS:000403992500003
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/137115
Collection海洋腐蚀与防护研究发展中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Wu, Jiajia,Wang, Peng,Gao, Jieyan,et al. Comparison of water-line corrosion processes in natural and artificial seawater: The role of microbes[J]. ELECTROCHEMISTRY COMMUNICATIONS,2017,80:9-15.
APA Wu, Jiajia.,Wang, Peng.,Gao, Jieyan.,Tan, Faqi.,Zhang, Dun.,...&Chen, Shiqiang.(2017).Comparison of water-line corrosion processes in natural and artificial seawater: The role of microbes.ELECTROCHEMISTRY COMMUNICATIONS,80,9-15.
MLA Wu, Jiajia,et al."Comparison of water-line corrosion processes in natural and artificial seawater: The role of microbes".ELECTROCHEMISTRY COMMUNICATIONS 80(2017):9-15.
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