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Sensitivity of Corrosion Behavior for Fe-Based Amorphous Coating to Temperature and Chloride Concentration
Lu, Weiyan1; Wang, Debin1,2; Wang, Qi1,2; Yang, Fan1,2; Li, Tianrun1,2; Shi, Yutong1,2; Zhang, Suode1; Yang, Baijun1
Corresponding AuthorZhang, Suode(sdzhang@imr.ac.cn) ; Yang, Baijun(bjyang@imr.ac.cn)
2021-03-01
Source PublicationCOATINGS
Volume11Issue:3Pages:14
AbstractThe effects of solution concentration and temperature on the electrochemical behavior of the Fe-based amorphous (AMCs) coatings in NaCl solution were studied by using conventional electrochemical measurement and XPS analysis. Results indicated that as solution concentration and temperature increased, the current density for the Fe-based AMCs increased and the pitting potential decreased. This reduced corrosion resistance was derived from the decreased passivation index and polarization resistance, which contributed to the decrease of the induction time (t(m)) for the initiation of corrosion pit. The passive films formed on Fe-based AMCs exhibit two types' semiconductors higher and lower the flat band potential. The decrease of protectiveness of the passive film was mainly correlated with the reduction of Cr2O3 content, the increase of carrier density and the decrease of the work function (W-F).
KeywordFe-based amorphous coating passive film semiconductor XPS
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China
DOI10.3390/coatings11030331
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2018YFB1105803] ; National Natural Science Foundation of China[U1908219] ; National Natural Science Foundation of China[51701214]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Materials Science, Coatings & Films ; Physics, Applied
WOS IDWOS:000633598900001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161626
Collection中国科学院金属研究所
Corresponding AuthorZhang, Suode; Yang, Baijun
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Lu, Weiyan,Wang, Debin,Wang, Qi,et al. Sensitivity of Corrosion Behavior for Fe-Based Amorphous Coating to Temperature and Chloride Concentration[J]. COATINGS,2021,11(3):14.
APA Lu, Weiyan.,Wang, Debin.,Wang, Qi.,Yang, Fan.,Li, Tianrun.,...&Yang, Baijun.(2021).Sensitivity of Corrosion Behavior for Fe-Based Amorphous Coating to Temperature and Chloride Concentration.COATINGS,11(3),14.
MLA Lu, Weiyan,et al."Sensitivity of Corrosion Behavior for Fe-Based Amorphous Coating to Temperature and Chloride Concentration".COATINGS 11.3(2021):14.
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