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Enhancing the self-healing property by adding the synergetic corrosion inhibitors of Na3PO4 and 2-mercaptobenzothiazole into the coating of Mg alloy

文献类型：期刊论文

作者Liu, Dan1,2; Han, En-Hou1; Song, Yingwei1; Shan, Dayong1
刊名ELECTROCHIMICA ACTA
出版日期2019-11-10
卷号323页码:7
关键词Corrosion Synergistic effect Self-healing coating Micro-arc oxidation film Inhibitors
ISSN号0013-4686
DOI10.1016/j.electacta.2019.134796
通讯作者Han, En-Hou(ehhan@imr.ac.cn) ; Song, Yingwei(ywsong@imr.ac.cn)
英文摘要Self-healing coatings can inhibit the corrosion of Mg alloys from the damaged areas. In this paper, a duplex self-healing coating, with loading interphase inhibitor into the pores of micro-arc oxidation (MAO) film and doping organic inhibitor into the top paint, is prepared to enhance the self-healing property. The synergistic effect between both inhibitors and the self-healing property of the coating were characterized. The releasing and healing processes were investigated. The results show that 2-mercaptobenzothiazole (MBT) can absorb on the defects of the formed Mg-3(PO4)(2) and Mg(OH)(2) film, which further inhibits the corrosion process by synergistic effect. When the self-healing coating is damaged, phosphate ions can be released from the MAO film quickly while MBT is released from the top paint slowly, then they synergistically inhibit the corrosion of the damaged areas, enhancing the self-healing property greatly in comparison with addition of each inhibitor singly. (C) 2019 Elsevier Ltd. All rights reserved.
资助项目National Natural Science Foundation of China[51671199] ; National Key Research and Development Program of China[2016 YFB0301105]
WOS研究方向Electrochemistry
语种英语
WOS记录号WOS:000486999200007
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构National Natural Science Foundation of China ; National Key Research and Development Program of China
源URL[http://ir.imr.ac.cn/handle/321006/135542]  
专题金属研究所_中国科学院金属研究所
通讯作者Han, En-Hou; Song, Yingwei
作者单位1.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Dan,Han, En-Hou,Song, Yingwei,et al. Enhancing the self-healing property by adding the synergetic corrosion inhibitors of Na3PO4 and 2-mercaptobenzothiazole into the coating of Mg alloy[J]. ELECTROCHIMICA ACTA,2019,323:7.
APA Liu, Dan,Han, En-Hou,Song, Yingwei,&Shan, Dayong.(2019).Enhancing the self-healing property by adding the synergetic corrosion inhibitors of Na3PO4 and 2-mercaptobenzothiazole into the coating of Mg alloy.ELECTROCHIMICA ACTA,323,7.
MLA Liu, Dan,et al."Enhancing the self-healing property by adding the synergetic corrosion inhibitors of Na3PO4 and 2-mercaptobenzothiazole into the coating of Mg alloy".ELECTROCHIMICA ACTA 323(2019):7.

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来源：金属研究所

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