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Growth Behaviors of Layered Double Hydroxide on Microarc Oxidation Film and Anti-Corrosion Performances of the Composite Film
Dou, Baojie1; Wang, Yanqiu1; Zhang, Tao1,2; Liu, Bin1; Shao, Yawei1; Meng, Guozhe1; Wang, Fuhui1,2
Corresponding AuthorWang, Yanqiu(qiuorwang@hrbeu.edu.cn)
2016
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Volume163Issue:14Pages:C917-C927
AbstractMicroarc oxidation (MAO) film has been widely used as an anti-corrosive film for Al alloys. However, it is still a big challenge to further improve its anti-corrosion performance due to the defects that form during the MAO process. In this study, for the first time, Ni-Al layered double hydroxide (LDH) was in-situ synthesized on the MAO film to seal its defects, which contributes to the corrosion resistance enhancement of MAO treated 6061 Al alloy. The growth of the LDH on MAO film is largely determined by the specific area, chemical composition, and crystalline structures of the alumina phase of the MAO film. More importantly, LDH nanoplates can grow into the micropores and microcracks in MAO film, and then gradually seal these structural defects. The anti-corrosion performance of MAO film during long-term immersion in NaCl solution also can be improved greatly via LDH treating because the defect-sealing effects of LDH can enhance the barrier property of both the porous and dense layers of MAO film, and then restrain the penetration of corrosive agents through the MAO film to the metal substrate. (C) 2016 The Electrochemical Society. All rights reserved.
Funding OrganizationNational Natural Science Foundation of China ; Natural Science Foundation of Heilongjiang Province
DOI10.1149/2.1141614jes
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51001036] ; National Natural Science Foundation of China[51571067] ; Natural Science Foundation of Heilongjiang Province[E2016022]
WOS Research AreaElectrochemistry ; Materials Science
WOS SubjectElectrochemistry ; Materials Science, Coatings & Films
WOS IDWOS:000393852200070
PublisherELECTROCHEMICAL SOC INC
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/123757
Collection中国科学院金属研究所
Corresponding AuthorWang, Yanqiu
Affiliation1.Harbin Engn Univ, Key Lab Superlight Mat & Surface Technol, Educ Minist, Corros & Protect Lab, Harbin 150001, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Dou, Baojie,Wang, Yanqiu,Zhang, Tao,et al. Growth Behaviors of Layered Double Hydroxide on Microarc Oxidation Film and Anti-Corrosion Performances of the Composite Film[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2016,163(14):C917-C927.
APA Dou, Baojie.,Wang, Yanqiu.,Zhang, Tao.,Liu, Bin.,Shao, Yawei.,...&Wang, Fuhui.(2016).Growth Behaviors of Layered Double Hydroxide on Microarc Oxidation Film and Anti-Corrosion Performances of the Composite Film.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,163(14),C917-C927.
MLA Dou, Baojie,et al."Growth Behaviors of Layered Double Hydroxide on Microarc Oxidation Film and Anti-Corrosion Performances of the Composite Film".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 163.14(2016):C917-C927.
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