IMR OpenIR
Repassivation behavior of alloy 690TT in simulated primary water at different temperatures
Liu, Ji1,2; Wang, Jianqiu1; Zhang, Zhiming1; Zheng, Hui3
Corresponding AuthorWang, Jianqiu(wangjianqiu@imr.ac.cn)
2021-03-30
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume68Pages:227-235
AbstractThe repassivation behavior of Alloy 690 T T in simulated primary water at different temperatures was investigated by the rapid scratching electrode technique together with electrochemical measurements. The results showed that the repassivation process had three stages: the initial stage conformed to the place exchange model, the final stage conformed to the high field ion conduction model and in between there was a transition stage. At the initial stage, when the repassivation process of alloys was controlled by the place exchange model, anodic dissolution of substrate was dominated; after the film coverage rate was more than 0.99, the repassivation process of alloys was controlled by high field ion conduction model. Increasing the temperature resulted in a reduction of the repassivation rate and protectiveness of the passive film. The correlations among several mechanisms describing the repassivation behavior of alloys were discussed. (C) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordRepassivation Electrochemistry High temperature corrosion Alloy 690TT Electrochemical impedance spectroscopy
Funding OrganizationNational Natural Science Foundation of China ; Key Research Program of Frontier Sciences ; Chinese Academy of Sciences ; Key Program of the Chinese Academy of Sciences ; National Science and Technology Major Project
DOI10.1016/j.jmst.2020.06.044
Indexed BySCI
Languageen
Funding ProjectNational Natural Science Foundation of China[51771211] ; Key Research Program of Frontier Sciences ; Chinese Academy of Sciences[QYZDY-SSWJSC012] ; Key Program of the Chinese Academy of Sciences[ZDRW-CN-2017-1] ; National Science and Technology Major Project[2015ZX06002005]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000623854600025
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161474
Collection中国科学院金属研究所
Corresponding AuthorWang, Jianqiu
Affiliation1.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Liaoning Key Lab Safety & Assessment Tech Nucl Ma, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.State Nucl Power Plant Serv Co, Shanghai 200233, Peoples R China
Recommended Citation
GB/T 7714
Liu, Ji,Wang, Jianqiu,Zhang, Zhiming,et al. Repassivation behavior of alloy 690TT in simulated primary water at different temperatures[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,68:227-235.
APA Liu, Ji,Wang, Jianqiu,Zhang, Zhiming,&Zheng, Hui.(2021).Repassivation behavior of alloy 690TT in simulated primary water at different temperatures.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,68,227-235.
MLA Liu, Ji,et al."Repassivation behavior of alloy 690TT in simulated primary water at different temperatures".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 68(2021):227-235.
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