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Electrochemical Corrosion Behavior of Ferritic Steels in Molten (Li,Na,K)F
Wang, YL; Liu, HJ; Zeng, CL; Li, WH; Li, WH (reprint author), Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China.
2018-02-01
Source PublicationINTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
ISSN1452-3981
Volume13Issue:2Pages:1629-1639
AbstractThe corrosion of ferritic steels in fluoride salts limits the development of advanced molten salt reactors. In-situ electrochemical measurements for B409M and B439 were performed at 700 degrees C in molten (Li,Na,K)F by potentiodynamic polarization and electrochemical impedance spectroscopy. The experimental results indicate that the current densities for B409M and B439 are approximately 631 and 738 mu A.cm(-2), respectively. The impedance spectra plots for B409M and B439 are both composed of two capacitance loops for the duration of a 100 h experimental test. Cr-depleted corrosion layers are formed on the surface of B409M and B439 through fluoridation processes. And the corrosion mechanism is also discussed.; The corrosion of ferritic steels in fluoride salts limits the development of advanced molten salt reactors. In-situ electrochemical measurements for B409M and B439 were performed at 700 degrees C in molten (Li,Na,K)F by potentiodynamic polarization and electrochemical impedance spectroscopy. The experimental results indicate that the current densities for B409M and B439 are approximately 631 and 738 mu A.cm(-2), respectively. The impedance spectra plots for B409M and B439 are both composed of two capacitance loops for the duration of a 100 h experimental test. Cr-depleted corrosion layers are formed on the surface of B409M and B439 through fluoridation processes. And the corrosion mechanism is also discussed.
description.department[wang, yanli ; li, weihua] guangxi univ, sch chem & chem engn, nanning 530004, peoples r china ; [liu, huijun ; zeng, chaoliu] chinese acad sci, inst met res, lab corros & protect, 62 wencui rd, shenyang 110016, liaoning, peoples r china
KeywordNaf-kf Melt Fluoride Salt Impedance Fusion Compatibility Electrodes Alloys Jlf-1
Subject AreaElectrochemistry
Funding OrganizationBagui Scholars Program of Guangxi Autonomous Region; Academician Workstation Building Project of Guangxi Zhuang Autonomous Region Scientific and Technological Department [[2014] 91]; National Natural Science Foundation of China [51271190]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79524
Collection中国科学院金属研究所
Corresponding AuthorWang, YL; Li, WH (reprint author), Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China.
Recommended Citation
GB/T 7714
Wang, YL,Liu, HJ,Zeng, CL,et al. Electrochemical Corrosion Behavior of Ferritic Steels in Molten (Li,Na,K)F[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2018,13(2):1629-1639.
APA Wang, YL,Liu, HJ,Zeng, CL,Li, WH,&Li, WH .(2018).Electrochemical Corrosion Behavior of Ferritic Steels in Molten (Li,Na,K)F.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,13(2),1629-1639.
MLA Wang, YL,et al."Electrochemical Corrosion Behavior of Ferritic Steels in Molten (Li,Na,K)F".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 13.2(2018):1629-1639.
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