Study of the failure mechanism of an epoxy coating system under high hydrostatic pressure

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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
发表期刊	Corrosion Science
ISSN	0010-938X
卷号	74 页码:59-70
摘要	The 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.
部门归属	[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
关键词	Organic 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
语种	英语
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/71383
专题	中国科学院金属研究所
推荐引用方式 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.