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Overall micro-arc oxidation treatment for AZ31B-6061 magnesium-aluminium dissimilar metal connecting parts
Chen, Yanfei1; Zhou, Jixue1,2; Liu, Hongtao1,3; Song, Xiaocun1; Yang, Yuansheng4
Corresponding AuthorChen, Yanfei(sunshineyanfei@126.com)
2017
Source PublicationCORROSION ENGINEERING SCIENCE AND TECHNOLOGY
ISSN1478-422X
Volume52Issue:6Pages:470-475
AbstractThe magnesium-aluminium connecting parts are important application form for lightweight structural materials. But the conductive connect of magnesium and aluminium will cause serious galvanic corrosion problems. Therefore, the overall corrosion protective treatment is necessary. A ceramic coating was prepared via overall micro-arc oxidation to wrap the magnesium-aluminium connecting part integrally. The surface morphologies and compositions of the coatings were analysed by scanning electron microscopy and X-ray energy dispersive spectroscopy. The corrosion behaviour of the coatings was investigated with potentiodynamic polarisation tests in 3.5wt-% NaCl solution. The growth process of ceramic coating on aluminium and magnesium surface was investigated, which showed the micro-arc oxidation reaction priority and the balanced growth process of ceramic coating under unbalanced micro-arc distribution. The results demonstrated that the overall micro-arc oxidation treatment improved the corrosion resistance and reduced the corrosion potential difference of each metal of magnesium-aluminium connecting part.
KeywordMicro-arc oxidation ceramic coating magnesium-aluminium dissimilar metals connecting part
Funding OrganizationChinese national key research and development plan ; Key Technology of Science and Technology Department of Shandong Province
DOI10.1080/1478422X.2017.1330800
Indexed BySCI
Language英语
Funding ProjectChinese national key research and development plan[2016YFB0301105] ; Key Technology of Science and Technology Department of Shandong Province[2016ZDJS02A09]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000407560700010
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/124773
Collection中国科学院金属研究所
Corresponding AuthorChen, Yanfei
Affiliation1.Shandong Acad Sci, Adv Mat Inst, Jinan 250014, Shandong, Peoples R China
2.Shandong Engn Res Ctr Lightweight Automobiles Mag, Jinan, Shandong, Peoples R China
3.Shandong Key Lab High Strength Lightweight Metall, Jinan, Shandong, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Chen, Yanfei,Zhou, Jixue,Liu, Hongtao,et al. Overall micro-arc oxidation treatment for AZ31B-6061 magnesium-aluminium dissimilar metal connecting parts[J]. CORROSION ENGINEERING SCIENCE AND TECHNOLOGY,2017,52(6):470-475.
APA Chen, Yanfei,Zhou, Jixue,Liu, Hongtao,Song, Xiaocun,&Yang, Yuansheng.(2017).Overall micro-arc oxidation treatment for AZ31B-6061 magnesium-aluminium dissimilar metal connecting parts.CORROSION ENGINEERING SCIENCE AND TECHNOLOGY,52(6),470-475.
MLA Chen, Yanfei,et al."Overall micro-arc oxidation treatment for AZ31B-6061 magnesium-aluminium dissimilar metal connecting parts".CORROSION ENGINEERING SCIENCE AND TECHNOLOGY 52.6(2017):470-475.
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