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Comparison of the corrosion behavior of AM60 Mg alloy with and without self-healing coating in atmospheric environment
Song, Yingwei1; Liu, Dan1,2; Tang, Weineng3; Dong, Kaihui1; Shan, Dayong1; Han, En-Hou1
Corresponding AuthorSong, Yingwei(ywsong@imr.ac.cn)
2021-07-15
Source PublicationJOURNAL OF MAGNESIUM AND ALLOYS
ISSN2213-9567
Volume9Issue:4Pages:1220-1232
AbstractCoatings on the surface of Mg alloys are inevitably damaged during their practical applications, and corrosion can easily initiate from the damaged areas to accelerate the failure of Mg parts. A dual self-healing coating has already been developed to solve this problem in our previous work. Considering the practical application of this coating, it is necessary to investigate its service behavior in atmospheric environment. Thus, the corrosion behavior of AM60 Mg substrate with and without the self-healing coating was compared in Shenyang industrial atmospheric environment. The results show that the enrichment of sediments and rainwater on the scratch areas can accelerate the corrosion of the exposed Mg substrate. The inhibitors can be released from the damaged coating to inhibit corrosion. The dual self-healing coating shows better inhibition ability to narrow scratches due to the higher inhibitor concentration and less resumption. Also, the coating with wide scratches displays enough inhibition ability as well. The dual self-healing coating is a good alternative for Mg alloy parts in the practical applications. (C) 2020 Chongqing University. Publishing service provided by Elsevier B.V. on behalf of KeAi Communications Co. Ltd.
KeywordSelf-healing coating Micro-arc oxidation (mao) film Atmospheric corrosion Mg alloy Inhibitor Sediments
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China
DOI10.1016/j.jma.2020.05.018
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671199] ; National Key Research and Development Program of China[2016 YFB0301105]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000669899200008
PublisherKEAI PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159963
Collection中国科学院金属研究所
Corresponding AuthorSong, Yingwei
Affiliation1.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.China Baowu Grp, Baosteel Cent Res Inst, R&D Ctr, 655 Fujin Rd, Shanghai 201900, Peoples R China
Recommended Citation
GB/T 7714
Song, Yingwei,Liu, Dan,Tang, Weineng,et al. Comparison of the corrosion behavior of AM60 Mg alloy with and without self-healing coating in atmospheric environment[J]. JOURNAL OF MAGNESIUM AND ALLOYS,2021,9(4):1220-1232.
APA Song, Yingwei,Liu, Dan,Tang, Weineng,Dong, Kaihui,Shan, Dayong,&Han, En-Hou.(2021).Comparison of the corrosion behavior of AM60 Mg alloy with and without self-healing coating in atmospheric environment.JOURNAL OF MAGNESIUM AND ALLOYS,9(4),1220-1232.
MLA Song, Yingwei,et al."Comparison of the corrosion behavior of AM60 Mg alloy with and without self-healing coating in atmospheric environment".JOURNAL OF MAGNESIUM AND ALLOYS 9.4(2021):1220-1232.
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