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Corrosion resistance of a ceria/polymethyltrimethoxysilane modified Mg-Al-layered double hydroxide on AZ31 magnesium alloy
Yao, Qing-Song1; Zhang, Fen1; Song, Liang1; Zeng, Rong-Chang1; Cui, Lan-Yue1; Li, Shuo-Qi1; Wang, Zhen-Lin2; Han, En-Hou3
Corresponding AuthorZhang, Fen(zhangfen2011@hotmail.com) ; Zeng, Rong-Chang()
2018-10-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume764Pages:913-928
AbstractA Mg-Al-layered double hydroxide (LDH) coating modified with methyltrimethoxysilane (MTMS) and cerium nitrate was prepared on AZ31 magnesium alloy substrate via a hydrothermal process and subsequent the immersion treatment. The surface morphologies and chemical compositions were investigated using FE-SEM, XRD, FT-IR and XPS. These results indicated that the composite coatings were consisted of polymethyltrimethoxysilane (PMTMS) and CeO2. The adherence between the PMTMS/CeO2 coating and the LDH coating was significantly improved with the formation of Si-O-Si and Si-O-Mg chemical bonds. Electrochemical tests and hydrogen evolution illustrated that the optimum corrosion resistance of the composite coating was obtained in presence of 10(-3) mol/L cerium nitrate. In addition, experimental data proved that addition of an excess of cerium nitrate was bad for coating formation. Finally, the coating corrosion mechanism was proposed and discussed. (C) 2018 Elsevier B.V. All rights reserved.
KeywordMagnesium alloy Polymer coating SEM XPS EIS Pitting corrosion
Funding OrganizationNational Natural Science Foundation of China ; Natural Science Foundation of Shandong Province ; Qingdao Indigenous Innovation Program ; SDUST Research Fund
DOI10.1016/j.jallcom.2018.06.152
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51601108] ; National Natural Science Foundation of China[51571134] ; National Natural Science Foundation of China[21676285] ; Natural Science Foundation of Shandong Province[2016ZRB01A62] ; Qingdao Indigenous Innovation Program[15-9-1-76-jch] ; SDUST Research Fund[2014TDJH104]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000444058300111
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:45[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129488
Collection中国科学院金属研究所
Corresponding AuthorZhang, Fen; Zeng, Rong-Chang
Affiliation1.Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266590, Peoples R China
2.Chongqing Univ Technol, Coll Mat Sci & Engn, Chongqing 400065, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Natl Engn Ctr Corros Control, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yao, Qing-Song,Zhang, Fen,Song, Liang,et al. Corrosion resistance of a ceria/polymethyltrimethoxysilane modified Mg-Al-layered double hydroxide on AZ31 magnesium alloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,764:913-928.
APA Yao, Qing-Song.,Zhang, Fen.,Song, Liang.,Zeng, Rong-Chang.,Cui, Lan-Yue.,...&Han, En-Hou.(2018).Corrosion resistance of a ceria/polymethyltrimethoxysilane modified Mg-Al-layered double hydroxide on AZ31 magnesium alloy.JOURNAL OF ALLOYS AND COMPOUNDS,764,913-928.
MLA Yao, Qing-Song,et al."Corrosion resistance of a ceria/polymethyltrimethoxysilane modified Mg-Al-layered double hydroxide on AZ31 magnesium alloy".JOURNAL OF ALLOYS AND COMPOUNDS 764(2018):913-928.
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