IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Perfect Combination of LBL with Sol-Gel Film to Enhance the Anticorrosion Performance on Al Alloy under Simulated and Accelerated Corrosive Environment
Zhao, Xia1,2,3,4; Yuan, Shuai1,2; Jin, Zuquan2; Zhang, Binbin1,3; Liu, Nazhen1,2,3; Chen, Shibo5; Liu, Shuan1,3; Sun, Xiaolin2; Duan, Jizhou1
2020
Source PublicationMATERIALS
Volume13Issue:1Pages:16
Corresponding AuthorZhao, Xia(zx@qdio.ac.cn) ; Jin, Zuquan(zuquanjin@126.com)
AbstractGiven their outstanding versatile properties, multilayered anticorrosion coatings have drawn great interest from researchers in the academic and engineering fields. However, the application of multilayered coatings is restricted by some limitations such as low interlayer compatibilities, the harsh preparation process, etc. This work introduced a composite film fabricated on a 2A12 aluminum alloy surface, including an anodic oxide film, a sol-gel film, and a layer-by-layer (LBL) self-assembling film from bottom to top. The microstructure and elemental characterization indicated that the finish of the coating with the LBL film resulted in a closely connected multilayered coating with a smoother surface. The anticorrosion performance was systematically evaluated in the simulated corrosive medium and neutral salt spray environment. The integrated coating with the LBL film presented an excellent anticorrosion ability with system impedance over 10(8) Omega cm(2) and a self-corrosion current density two orders of magnitude lower than that of the other coatings. After the acceleration test in a salt spray environment, the multilayered coatings could still show a good protective performance with almost no cracks and no penetration of chloride ions. It is believed that the as-constructed multilayered coating with high corrosive properties and a fine surface state will have promising applications in the field of anticorrosion engineering.
Keywordmultilayer corrosion impedance layer-by-layer
DOI10.3390/ma13010111
Indexed BySCI
Language英语
Funding ProjectKey R & D projects in Shandong[GG201709260036] ; National key RD projects[2017YFB0903702] ; Chinese National Natural Science Foundation (NSF)[51678318]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000515499300111
PublisherMDPI
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/165566
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorZhao, Xia; Jin, Zuquan
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.Qingdao Univ Technol, Cooperat Innovat Ctr Engn Construct & Safety Shan, Qingdao 266032, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266235, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
5.Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhao, Xia,Yuan, Shuai,Jin, Zuquan,et al. Perfect Combination of LBL with Sol-Gel Film to Enhance the Anticorrosion Performance on Al Alloy under Simulated and Accelerated Corrosive Environment[J]. MATERIALS,2020,13(1):16.
APA Zhao, Xia.,Yuan, Shuai.,Jin, Zuquan.,Zhang, Binbin.,Liu, Nazhen.,...&Duan, Jizhou.(2020).Perfect Combination of LBL with Sol-Gel Film to Enhance the Anticorrosion Performance on Al Alloy under Simulated and Accelerated Corrosive Environment.MATERIALS,13(1),16.
MLA Zhao, Xia,et al."Perfect Combination of LBL with Sol-Gel Film to Enhance the Anticorrosion Performance on Al Alloy under Simulated and Accelerated Corrosive Environment".MATERIALS 13.1(2020):16.
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