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Interface Characteristics and Anticorrosion Performances of Cold Galvanizing Coatings Incorporated with gamma-chloropropyl Triethoxysilane on Hot-Dip Galvanized Steel
Li, Jiwen1,2; Wang, Qiumeng1; Gao, Ningjie1,2; Nwokolo, Izuchukwu Kenneth1,2; Zhang, Wanyu1,2; Ma, Lin1,2; Liu, Fuchun1,2,3; Han, En-Hou1,2,3
Corresponding AuthorLiu, Fuchun(fcliu@imr.ac.cn)
2021-04-01
Source PublicationCOATINGS
Volume11Issue:4Pages:17
AbstractThe cold galvanizing coatings (CGCs) are used to repair old hot-dip galvanized steel (HDG) in numerous anticorrosion engineering, but poor adhesion of the CGC restricts its large-scale applications in the industries. For the purpose of overcoming the weak adhesion problems of the CGC on HDG, gamma-chloropropyl triethoxysilane (CPTES) was added directly into cold galvanizing coatings (CPTES/CGC). Interface characteristics and related corrosion protection behaviors were investigated by the pull-off adhesion test, water contact angle measurements, Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), scanning electron microscope (SEM), and electrochemical tests. The experimental results revealed that, there is an increase by 19.1% of the CPTES/CGC surface free energy when compared with that of CGC. In addition, Si-O-Si and Si-O-Zn bonds were found in the CPTES/CGC, which indicate new network structures formed inside the CPTES/CGC, between the interface of the CPTES/CGC and HDG substrate, resulting in dry adhesion, wet adhesion, and the cathodic protection time of CPTES/CGC increased by 50% and 200% and 300% respectively compared with the CGC.
Keywordgalvanized steel anticorrosion silane adhesion zinc-rich coating cathodic protection effect EIS XPS
Funding OrganizationShenyang Science and Technology Plan Project
DOI10.3390/coatings11040402
Indexed BySCI
Language英语
Funding ProjectShenyang Science and Technology Plan Project[Y17-1-039]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Materials Science, Coatings & Films ; Physics, Applied
WOS IDWOS:000642925700001
PublisherMDPI
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161967
Collection中国科学院金属研究所
Corresponding AuthorLiu, Fuchun
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.Inst Corros Sci & Technol, Guangzhou 510530, Peoples R China
Recommended Citation
GB/T 7714
Li, Jiwen,Wang, Qiumeng,Gao, Ningjie,et al. Interface Characteristics and Anticorrosion Performances of Cold Galvanizing Coatings Incorporated with gamma-chloropropyl Triethoxysilane on Hot-Dip Galvanized Steel[J]. COATINGS,2021,11(4):17.
APA Li, Jiwen.,Wang, Qiumeng.,Gao, Ningjie.,Nwokolo, Izuchukwu Kenneth.,Zhang, Wanyu.,...&Han, En-Hou.(2021).Interface Characteristics and Anticorrosion Performances of Cold Galvanizing Coatings Incorporated with gamma-chloropropyl Triethoxysilane on Hot-Dip Galvanized Steel.COATINGS,11(4),17.
MLA Li, Jiwen,et al."Interface Characteristics and Anticorrosion Performances of Cold Galvanizing Coatings Incorporated with gamma-chloropropyl Triethoxysilane on Hot-Dip Galvanized Steel".COATINGS 11.4(2021):17.
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