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Influence of yttrium on surface chemistry and stability of passive film in Al-based binary metallic glasses
Gao, Minghao1,2; Zhang, Suode1; Yang, Baijun1; Wang, Jianqiang1
Corresponding AuthorWang, Jianqiang(jqwang@imr.ac.cn)
2018-11-01
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume457Pages:536-547
AbstractThe effect of yttrium on the electrochemical polarization behavior, composition and semiconductor property of passive film in Al-Y glasses have been studied. It was found that the corrosion potential and passive current density are sensitive to the minor variation of yttrium content. The high Y-containing samples possess a homogeneous single layer passive film rich in yttrium. The passive film exhibits a p-type semiconducting behavior and the carrier density tends to be reduced with increasing yttrium due to the formation of YAlO3. Higher yttrium content makes the passive film inert to electron transfer and the metastable pitting are inhibited.
KeywordAluminum Metallic glass Metastable pitting Passive film Corrosion resistance
Funding OrganizationNational Key Research and Development Program of China ; Civil Aircraft Project of Ministry of Industry and Information ; National Natural Science Foundation of China
DOI10.1016/j.apsusc.2018.06.306
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFB1100204] ; Civil Aircraft Project of Ministry of Industry and Information[MJ2015F022] ; National Natural Science Foundation of China[51471166] ; National Natural Science Foundation of China[51771195]
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000441872300064
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129268
Collection中国科学院金属研究所
Corresponding AuthorWang, Jianqiang
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Gao, Minghao,Zhang, Suode,Yang, Baijun,et al. Influence of yttrium on surface chemistry and stability of passive film in Al-based binary metallic glasses[J]. APPLIED SURFACE SCIENCE,2018,457:536-547.
APA Gao, Minghao,Zhang, Suode,Yang, Baijun,&Wang, Jianqiang.(2018).Influence of yttrium on surface chemistry and stability of passive film in Al-based binary metallic glasses.APPLIED SURFACE SCIENCE,457,536-547.
MLA Gao, Minghao,et al."Influence of yttrium on surface chemistry and stability of passive film in Al-based binary metallic glasses".APPLIED SURFACE SCIENCE 457(2018):536-547.
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