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Corrosion resistance of a self-healing micro-arc oxidation/polymethyltrimethoxysilane composite coating on magnesium alloy AZ31
Cui, Lan-Yue; Gao, Shang-Dong; Li, Ping-Ping; Zeng, Rong-Chang; Zhang, Fen; Li, Shuo-Qi; Han, En-Hou; Zeng, RC; Li, SQ (reprint author), Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266590, Peoples R China.
2017-04-01
发表期刊CORROSION SCIENCE
ISSN0010-938X
卷号118页码:84-95
摘要A micro-arc oxidation (MAO)/polymethyltrimethoxysilane (PMTMS) hybrid coating was fabricated via MAO processing and subsequent sealing with alkaline treatment and PMTMS. The surface morphologies, chemical compositions and corrosion resistances of the coatings were investigated using FE-SEM, FTIR, XRD and electrochemical and hydrogen evolution measurements. The results indicated that the alkaline treatment was beneficial to the silane treatment and that the MAO coating was efficiently sealed by the PMTMS film. The MAO/PMTMS coating significantly enhanced the corrosion resistance of the AZ31 alloy due to its self-healing function. Additionally, we suggest and discuss a corrosion mechanism for the coating. (C) 2017 Elsevier Ltd. All rights reserved.; A micro-arc oxidation (MAO)/polymethyltrimethoxysilane (PMTMS) hybrid coating was fabricated via MAO processing and subsequent sealing with alkaline treatment and PMTMS. The surface morphologies, chemical compositions and corrosion resistances of the coatings were investigated using FE-SEM, FTIR, XRD and electrochemical and hydrogen evolution measurements. The results indicated that the alkaline treatment was beneficial to the silane treatment and that the MAO coating was efficiently sealed by the PMTMS film. The MAO/PMTMS coating significantly enhanced the corrosion resistance of the AZ31 alloy due to its self-healing function. Additionally, we suggest and discuss a corrosion mechanism for the coating. (C) 2017 Elsevier Ltd. All rights reserved.
部门归属[cui, lan-yue ; gao, shang-dong ; li, ping-ping ; zeng, rong-chang ; zhang, fen ; li, shuo-qi] shandong univ sci & technol, coll mat sci & engn, qingdao 266590, peoples r china ; [cui, lan-yue ; zeng, rong-chang ; li, shuo-qi] shandong univ sci & technol, state key lab min disaster prevent & control cofo, qingdao 266590, peoples r china ; [cui, lan-yue ; 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, peoples r china
关键词Magnesium Eis Sem Oxide Coatings Polymer Coating Pitting Corrosion
学科领域Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51571134]; Scientific Research Foundation of Shandong University of Science and Technology (SDUST) for Recruited Talents [2013RCJJ006]; 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/321006/78210
专题中国科学院金属研究所
通讯作者Zeng, RC; Li, SQ (reprint author), Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266590, Peoples R China.
推荐引用方式
GB/T 7714
Cui, Lan-Yue,Gao, Shang-Dong,Li, Ping-Ping,et al. Corrosion resistance of a self-healing micro-arc oxidation/polymethyltrimethoxysilane composite coating on magnesium alloy AZ31[J]. CORROSION SCIENCE,2017,118:84-95.
APA Cui, Lan-Yue.,Gao, Shang-Dong.,Li, Ping-Ping.,Zeng, Rong-Chang.,Zhang, Fen.,...&Li, SQ .(2017).Corrosion resistance of a self-healing micro-arc oxidation/polymethyltrimethoxysilane composite coating on magnesium alloy AZ31.CORROSION SCIENCE,118,84-95.
MLA Cui, Lan-Yue,et al."Corrosion resistance of a self-healing micro-arc oxidation/polymethyltrimethoxysilane composite coating on magnesium alloy AZ31".CORROSION SCIENCE 118(2017):84-95.
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