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Study of Microstructure and Corrosion Behavior of Multilayered Ni Coatings by Ultrasound-assisted Electrodeposition
Li, Huawei1; Xing, Lingling1,2; Niu, Yunsong2; Zhu, Shenglong2; Wang, Fuhui3
Corresponding AuthorNiu, Yunsong(ysniu@imr.ac.cn)
2020
Source PublicationMATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS
ISSN1516-1439
Volume23Issue:6Pages:11
AbstractMultilayered Ni coatings were successfully deposited on martensitic stainless-steel substrates by electrodeposition method with intermittent ultrasound. It is a novel kind of multilayered microstructure of stacked-up sandwiches, whose compositions of each monolayer are the same to those of its adjacent layers. The grains of ordinary Ni layers are columnar, vertically to the substrate surface, but the grains of ultrasonic Ni layers grow parallel along the substrate surface. By multilayered structure, the pinholes running through the coating were obviously inhibited, because the multilayered Ni coating can cover the whole surface of the substrate without the direct pinhole passages down to the substrate. Therefore, its corrosion mechanism is the uniform corrosion. For the ordinary Ni coating, the direct corrosion on the substrate can occur through the pinholes, which are the convenient passages for corrosive media to reach the substrate easily. This behavior can lead to the Fe/Ni galvanic corrosion, coating adhesion reduction, and quick formation of coating cracks in the ordinary Ni coating.
Keywordmultilayered coatings ultrasound corrosion pinhole
Funding OrganizationNational Natural Science Foundation of China
DOI10.1590/1980-5373-MR-2020-0291
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51701223]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000621393900001
PublisherUNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160815
Collection中国科学院金属研究所
Corresponding AuthorNiu, Yunsong
Affiliation1.Shenyang Normal Univ, Coll Chem & Chem Engn, Shenyang 110034, Peoples R China
2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
3.Northeastern Univ, Shenyang Natl Lab Mat Sci, Corros & Protect Div, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Li, Huawei,Xing, Lingling,Niu, Yunsong,et al. Study of Microstructure and Corrosion Behavior of Multilayered Ni Coatings by Ultrasound-assisted Electrodeposition[J]. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS,2020,23(6):11.
APA Li, Huawei,Xing, Lingling,Niu, Yunsong,Zhu, Shenglong,&Wang, Fuhui.(2020).Study of Microstructure and Corrosion Behavior of Multilayered Ni Coatings by Ultrasound-assisted Electrodeposition.MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS,23(6),11.
MLA Li, Huawei,et al."Study of Microstructure and Corrosion Behavior of Multilayered Ni Coatings by Ultrasound-assisted Electrodeposition".MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS 23.6(2020):11.
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