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Corrosion resistance of ceria/polymethyltrimethoxysilane modified magnesium hydroxide coating on AZ31 magnesium alloy
Guo, Lian; Zhang, Fen; Song, Liang; Zeng, Rong-Chang; Li, Shuo-Qi; Han, En-Hou; Zhang, F; Song, L (reprint author), Shandong Univ Sci & Technol, Qingdao 266590, Peoples R China.
2017-11-15
Source PublicationELSEVIER SCIENCE SA
ISSN0257-8972
Volume328Pages:121-133
AbstractA magnesium hydroxide/polymethyltimethoxysilane (PMTIVIS)CeO2 hybrid coating was fabricated via hydro thermal treatment method and subsequent sealing with PMTMS and CeO2. The surface morphologies, wettability, microstructures and chemical compositions of the samples were investigated using FE-SEM, FT-IR, XRD, XPS and contact angle (CA). The corrosion resistance of the composite coatings was evaluated using the electrochemical and hydrogen evolution measurements. The results demonstrated that the magnesium hydroxide coating was sealed by the PMTMS and CeO2. The Mg(OH)(2)/PMTMS/CeO2 coating had a thickness of approximately 12.86 +/- 0.01 pm and significantly enhanced the corrosion resistance of the AZ31 alloy. The influence of the existence of the ceria on the corrosion resistance was investigated. Additionally, a corrosion mechanism of the coating was proposed and discussed. (C) 2017 Elsevier B.V. All rights reserved.; A magnesium hydroxide/polymethyltimethoxysilane (PMTIVIS)CeO2 hybrid coating was fabricated via hydro thermal treatment method and subsequent sealing with PMTMS and CeO2. The surface morphologies, wettability, microstructures and chemical compositions of the samples were investigated using FE-SEM, FT-IR, XRD, XPS and contact angle (CA). The corrosion resistance of the composite coatings was evaluated using the electrochemical and hydrogen evolution measurements. The results demonstrated that the magnesium hydroxide coating was sealed by the PMTMS and CeO2. The Mg(OH)(2)/PMTMS/CeO2 coating had a thickness of approximately 12.86 +/- 0.01 pm and significantly enhanced the corrosion resistance of the AZ31 alloy. The influence of the existence of the ceria on the corrosion resistance was investigated. Additionally, a corrosion mechanism of the coating was proposed and discussed. (C) 2017 Elsevier B.V. All rights reserved.
description.department[guo, lian ; zhang, fen ; song, liang ; zeng, rong-chang ; li, shuo-qi] shandong univ sci & technol, coll mat sci & engn, qingdao 266590, peoples r china ; [guo, lian ; zhang, fen ; zeng, rong-chang ; li, shuo-qi] shandong univ sci & technol, state key lab min disaster prevent & control cofo, qingdao 266590, peoples r china ; [guo, lian ; zhang, fen ; zeng, rong-chang ; li, shuo-qi] shandong univ sci & technol, minist sci & technol, qingdao 266590, peoples r china ; [han, en-hou] chinese acad sci, inst met res, natl engn ctr corros control, shenyang 110016, liaoning, peoples r china
KeywordMagnesium Alloy Magnesium Hydroxide Polymer Coating Cerium Oxide Corrosion
Subject AreaMaterials Science, Coatings & Films ; Physics, Applied
Funding OrganizationNational Natural Science Foundation of China [51601108, 51571134]; Natural Science Foundation of Shandong Province [2016ZRB01A62]; Scientific Research Foundation of Shandong for Outstanding Young Scientists [BS2013CL009]; Doctoral Program Foundation of the State Education Ministry [20133718120003]; Qingdao Indigenous Innovation Program [15-9-1-76-jch]; SDUST Research Fund [2014TDJH104]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78977
Collection中国科学院金属研究所
Corresponding AuthorZhang, F; Song, L (reprint author), Shandong Univ Sci & Technol, Qingdao 266590, Peoples R China.
Recommended Citation
GB/T 7714
Guo, Lian,Zhang, Fen,Song, Liang,et al. Corrosion resistance of ceria/polymethyltrimethoxysilane modified magnesium hydroxide coating on AZ31 magnesium alloy[J]. ELSEVIER SCIENCE SA,2017,328:121-133.
APA Guo, Lian.,Zhang, Fen.,Song, Liang.,Zeng, Rong-Chang.,Li, Shuo-Qi.,...&Song, L .(2017).Corrosion resistance of ceria/polymethyltrimethoxysilane modified magnesium hydroxide coating on AZ31 magnesium alloy.ELSEVIER SCIENCE SA,328,121-133.
MLA Guo, Lian,et al."Corrosion resistance of ceria/polymethyltrimethoxysilane modified magnesium hydroxide coating on AZ31 magnesium alloy".ELSEVIER SCIENCE SA 328(2017):121-133.
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