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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
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume118Pages:84-95
AbstractA 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.
description.department[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
KeywordMagnesium Eis Sem Oxide Coatings Polymer Coating Pitting Corrosion
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational 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]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78210
Collection中国科学院金属研究所
Corresponding AuthorZeng, RC; Li, SQ (reprint author), Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266590, Peoples R China.
Recommended Citation
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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