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New insight into the negative difference effect in aluminium corrosion using in-situ electrochemical ICP-OES
Yu, Yingjie1,3; Li, Ying1,2
Corresponding AuthorLi, Ying(liying@imr.ac.cn)
2020-05-15
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume168Pages:9
AbstractHydrogen evolution and dissolution of Aluminium (Al) have been investigated at different anodic potentials in de-oxygenated 3.5 % NaCl electrolyte to afford new insights into its negative difference effect (NDE). Innovatory to previous reports, the instantaneous concentration of dissolved Al3+ ions was detected using a novel in-situ electrochemical ICP-OES technique and a dissolution stoichiometry of n = 3 was observed, thereby precluding the Al intermediate ion mechanism. The effects of the local pH and the surface film's breakdown area on the hydrogen evolution rate were investigated quantitatively, which suggests that the NDE of Al results from the combined effects of these two factors.
KeywordAluminium ICP-OES Anodic dissolution Hydrogen evolution Negative difference effect
Funding OrganizationNational Natural Science Fund of China
DOI10.1016/j.corsci.2020.108568
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Fund of China[51671198]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000525871400019
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138212
Collection中国科学院金属研究所
Corresponding AuthorLi, Ying
Affiliation1.Chinese Acad Sci, Inst Met Res, Corros & Protect Div, Wencui Rd 62, Shenyang 110016, Peoples R China
2.Northeastern Univ, Shenyang Natl Lab Mat Sci, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Technol, Wenhua Rd 72, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yu, Yingjie,Li, Ying. New insight into the negative difference effect in aluminium corrosion using in-situ electrochemical ICP-OES[J]. CORROSION SCIENCE,2020,168:9.
APA Yu, Yingjie,&Li, Ying.(2020).New insight into the negative difference effect in aluminium corrosion using in-situ electrochemical ICP-OES.CORROSION SCIENCE,168,9.
MLA Yu, Yingjie,et al."New insight into the negative difference effect in aluminium corrosion using in-situ electrochemical ICP-OES".CORROSION SCIENCE 168(2020):9.
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