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Study of the failure mechanism of an epoxy coating system under high hydrostatic pressure
Y. Liu; J. W. Wang; L. Liu; Y. Li; F. H. Wang
2013
Source PublicationCorrosion Science
ISSN0010-938X
Volume74Pages:59-70
AbstractThe failure mechanisms of an epoxy varnish coating and an epoxy glass flake coating were investigated under ordinary pressure (1 atm) and high hydrostatic pressure (35 atm), from electrochemical behavior, water absorption, wet adhesion and mechanical characteristics. The results revealed that mechanical properties were more favorable under 35 atm, but pressure changed the electrochemical behavior and deteriorated coating protectiveness by accelerating water absorption, increasing diffusion coefficient and changing diffusion type. More importantly, loss of wet adhesion, induced by blisters and corrosion products on interface, became the main reason for coating failure and thus the key factor controlling coating lifetime. (C) 2013 Published by Elsevier Ltd.
description.department[liu, ying ; liu, li ; li, ying ; wang, fuhui] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. [wang, jiangwei] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; liu, l (reprint author), chinese acad sci, inst met res, state key lab corros & protect, 62 wencui rd, shenyang 110016, peoples r china. ; liliu@imr.ac.cn ; liying@imr.ac.cn
KeywordOrganic Coatings Steel Electrochemical Impedance Spectroscopy Scanning Acoustic Microscopy Protective Organic Coatings Ftir/atr In-situ Coated Metals Kelvin Probe Eis Corrosion Steel Water
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71383
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. Liu,J. W. Wang,L. Liu,et al. Study of the failure mechanism of an epoxy coating system under high hydrostatic pressure[J]. Corrosion Science,2013,74:59-70.
APA Y. Liu,J. W. Wang,L. Liu,Y. Li,&F. H. Wang.(2013).Study of the failure mechanism of an epoxy coating system under high hydrostatic pressure.Corrosion Science,74,59-70.
MLA Y. Liu,et al."Study of the failure mechanism of an epoxy coating system under high hydrostatic pressure".Corrosion Science 74(2013):59-70.
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