IMR OpenIR
Evaluation of coating resistivity for pigmented/unpigmented epoxy coatings under marine alternating hydrostatic pressure
Meng, Fandi1; Liu, Li1; Cui, Yu2; Wang, Fuhui1
Corresponding AuthorLiu, Li(liuli@mail.neu.edu.cn)
2021-02-20
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume64Pages:165-175
AbstractTo realize a rapid evaluation of coating degradation under alternating hydrostatic pressure (AHP), appropriate physical models of electrochemical impedance spectroscopy (EIS) data fitting were respectively developed for epoxy coatings with and without pigments, based on their different water absorption behaviours. Power-law model was selected to evaluate the anti-permeability of epoxy varnish (EV) coating, which tends to form through pores in the coating structure. On the other hand, two-layer model based on Young theory was developed to evaluate the anti-permeability of pigmented epoxy coating. Consequently, the resistivity profile with coating thickness was calculated as a critical parameter to describe the anti-permeability of coating at different immersion time. The interpretation of water diffusion dynamics based on different coating structures was also given, which is responsible for the choice of distribution models. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordOrganic coatings Coating resistivity Distribution models EIS Alternating hydrostatic pressure
Funding OrganizationNational Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; China Postdoctoral ScienceFoundation
DOI10.1016/j.jmst.2019.09.011
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51622106] ; National Natural Science Foundation of China[51901040] ; Fundamental Research Funds for the Central Universities[N170203005] ; Fundamental Research Funds for the Central Universities[N170212021] ; China Postdoctoral ScienceFoundation[2018M640256]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000607110600015
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159006
Collection中国科学院金属研究所
Corresponding AuthorLiu, Li
Affiliation1.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Meng, Fandi,Liu, Li,Cui, Yu,et al. Evaluation of coating resistivity for pigmented/unpigmented epoxy coatings under marine alternating hydrostatic pressure[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,64:165-175.
APA Meng, Fandi,Liu, Li,Cui, Yu,&Wang, Fuhui.(2021).Evaluation of coating resistivity for pigmented/unpigmented epoxy coatings under marine alternating hydrostatic pressure.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,64,165-175.
MLA Meng, Fandi,et al."Evaluation of coating resistivity for pigmented/unpigmented epoxy coatings under marine alternating hydrostatic pressure".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 64(2021):165-175.
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