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Synergistic effects of fluid flow and hydrostatic pressure on the degradation of epoxy coating in the simulated deep-sea environment
Meng, Fandi1; Liu, Li1; Liu, Erhai1; Zheng, Hongpeng1; Liu, Rui1; Cui, Yu2; Wang, Fuhui1
Corresponding AuthorLiu, Li(liuli@mail.neu.edu.cn)
2021-10-01
Source PublicationPROGRESS IN ORGANIC COATINGS
ISSN0300-9440
Volume159Pages:14
AbstractThe anticorrosion performance of epoxy varnish coating/steel systems under a simulated deep-sea fluid-pressure (FP) environment was studied using physical performance tests, electrochemical measurements and finite element modeling. The results show that fluid flow provides an initial kinetic energy to water, and the hydrostatic pressure difference reduces the energy barrier for water absorption, leading to premature corrosion of the coated steel under FP condition. Detachment of polymer pieces from the coating surface and large areas of blistering are found to occur under the synergistic effects of fluid and pressure, which can be attributed to the release of internal stress at coating defects.
KeywordEpoxy coatings Failure mechanism Deep-sea corrosion Fluid flow Hydrostatic pressure
Funding OrganizationNational Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; A-class pilot of the Chinese Academy of Sciences
DOI10.1016/j.porgcoat.2021.106449
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51901040] ; Fundamental Research Funds for the Central Universities[N2102014] ; A-class pilot of the Chinese Academy of Sciences[XDA22010303]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Applied ; Materials Science, Coatings & Films
WOS IDWOS:000694721000001
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166894
Collection中国科学院金属研究所
Corresponding AuthorLiu, Li
Affiliation1.Northeastern Univ, Shenyang Natl Lab Mat Sci, Wenhua Rd 3-11, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Wencui Rd 62, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Meng, Fandi,Liu, Li,Liu, Erhai,et al. Synergistic effects of fluid flow and hydrostatic pressure on the degradation of epoxy coating in the simulated deep-sea environment[J]. PROGRESS IN ORGANIC COATINGS,2021,159:14.
APA Meng, Fandi.,Liu, Li.,Liu, Erhai.,Zheng, Hongpeng.,Liu, Rui.,...&Wang, Fuhui.(2021).Synergistic effects of fluid flow and hydrostatic pressure on the degradation of epoxy coating in the simulated deep-sea environment.PROGRESS IN ORGANIC COATINGS,159,14.
MLA Meng, Fandi,et al."Synergistic effects of fluid flow and hydrostatic pressure on the degradation of epoxy coating in the simulated deep-sea environment".PROGRESS IN ORGANIC COATINGS 159(2021):14.
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