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Factors Influencing Passivity Breakdown on UNS N08800 in Neutral Chloride and Thiosulfate Solutions
Wu, Sibo1; Wang, Jianqiu2; Song, Shizhe1; Xia, Da-Hai1,2; Zhang, Zhiming2; Gao, Zhiming1; Wang, Jihui1; Jin, Weixian3; Hu, Wenbin1
Corresponding AuthorXia, Da-Hai(dahaixia@tju.edu.cn)
2017
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Volume164Issue:4Pages:C94-C103
AbstractIn this work, the passivity degradation of UNS N08800 in solutions containing Cl- and S2O32- is studied by using polarizationcurve, electrochemical impedance spectroscopy (EIS), and X-ray photoelectron spectroscopy (XPS). Experimental results reveal that the passivity breakdown heavily depends on anodic potentials, concentration ratios of Cl- to S2O32-, and the composition of materials. A combined effect between Cl- and S2O32- on pitting corrosion is observed at high anodic potentials at which the passive film is broken down; in this situation, S2O32- ions can enter into the pits by electromigration, and they are reduced to Sads and S2-, stabilizing the metastable pits and accelerate the pit growth rate. However, there is no such combined effect at low anodic potentials when the passive film is intact, on the contrary, S2O32- is beneficial to passivity in chloride solutions. At low anodic potentials, the interaction of S2O32- with an intact passive layer is weak, and the adsorption of S2O32- would mitigate the detrimental effect of Cl- ions. (C) The Author(s) 2017. Published by ECS.
Funding Organizationopen-ended fund of the CAS Key laboratory of Nuclear Materials and Safety Assessment (Institute of Metal Research, Chinese Academy of Sciences, China) ; National Basic Research Program of China ; National Natural Science Foundation of China ; Key Project of Tianjin Natural Science Foundation
DOI10.1149/2.0541704jes
Indexed BySCI
Language英语
Funding Projectopen-ended fund of the CAS Key laboratory of Nuclear Materials and Safety Assessment (Institute of Metal Research, Chinese Academy of Sciences, China)[2016NMSAKF02] ; National Basic Research Program of China[2014CB046801] ; National Natural Science Foundation of China[51471117] ; Key Project of Tianjin Natural Science Foundation[13JCZDJC29500]
WOS Research AreaElectrochemistry ; Materials Science
WOS SubjectElectrochemistry ; Materials Science, Coatings & Films
WOS IDWOS:000400958600074
PublisherELECTROCHEMICAL SOC INC
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/124214
Collection中国科学院金属研究所
Corresponding AuthorXia, Da-Hai
Affiliation1.Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Liaoning, Peoples R China
3.Cent Res Inst Iron & Steel, Zhoushan Marine Corros Inst, Zhoushan 316000, Zhejiang, Peoples R China
Recommended Citation
GB/T 7714
Wu, Sibo,Wang, Jianqiu,Song, Shizhe,et al. Factors Influencing Passivity Breakdown on UNS N08800 in Neutral Chloride and Thiosulfate Solutions[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2017,164(4):C94-C103.
APA Wu, Sibo.,Wang, Jianqiu.,Song, Shizhe.,Xia, Da-Hai.,Zhang, Zhiming.,...&Hu, Wenbin.(2017).Factors Influencing Passivity Breakdown on UNS N08800 in Neutral Chloride and Thiosulfate Solutions.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,164(4),C94-C103.
MLA Wu, Sibo,et al."Factors Influencing Passivity Breakdown on UNS N08800 in Neutral Chloride and Thiosulfate Solutions".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 164.4(2017):C94-C103.
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