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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
发表期刊ELSEVIER SCIENCE SA
ISSN0257-8972
卷号328页码:121-133
摘要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.; 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.
部门归属[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
关键词Magnesium Alloy Magnesium Hydroxide Polymer Coating Cerium Oxide Corrosion
学科领域Materials Science, Coatings & Films ; Physics, Applied
资助者National 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]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78977
专题中国科学院金属研究所
通讯作者Zhang, F; Song, L (reprint author), Shandong Univ Sci & Technol, Qingdao 266590, Peoples R China.
推荐引用方式
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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