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The failure behaviour of a commercial highly pigmented epoxy coating under marine alternating hydrostatic pressure
W. L.; Meng Tian, F. D.; Liu, L.; Li, Y.; Wang, F. H.
2015
Source PublicationProgress in Organic Coatings
ISSN0300-9440
Volume82Pages:101-112
AbstractA commercial epoxy coating, incorporated with inert pigments, was aged in a sodium chloride (3.5 wt.%) solution under alternating hydrostatic pressure (AHP), compared with that under atmospheric pressure (AP). By the fitting analysis of the impedance data with equivalent electric circuits (EEC), the failure process was accelerated and got complicated under AHP. The evolution of water absorption by gravimetric tests indicated that water diffusion deviated from typical Fickian diffusion to case II diffusion. A leaching process of pigments was observed by scanning electron microscopy (SEM) and no shift of chemical bonds was monitored by Fourier transform infrared spectroscopy (FT-IR). The AHP accelerated the coating physical failure, and the chemical structures of the coating did not change during the experiment. (C) 2015 Elsevier B.V. All rights reserved.
description.department[tian, wenliang ; meng, fandi ; liu, li ; li, ying ; wang, fuhui] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; liu, l (reprint author), chinese acad sci, inst met res, wencui rd 62, shenyang 110016, peoples r china. ; liliu@imr.ac.cn
KeywordEpoxy Coatings Pigments Electrochemical Impedance Spectroscopy Water Diffusion Alternating Hydrostatic Pressure Corrosion Behavior Organic Coatings Coated Metals Water-uptake Steel Eis Degradation Performance Resistance Models
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73935
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
W. L.,Meng Tian, F. D.,Liu, L.,et al. The failure behaviour of a commercial highly pigmented epoxy coating under marine alternating hydrostatic pressure[J]. Progress in Organic Coatings,2015,82:101-112.
APA W. L.,Meng Tian, F. D.,Liu, L.,Li, Y.,&Wang, F. H..(2015).The failure behaviour of a commercial highly pigmented epoxy coating under marine alternating hydrostatic pressure.Progress in Organic Coatings,82,101-112.
MLA W. L.,et al."The failure behaviour of a commercial highly pigmented epoxy coating under marine alternating hydrostatic pressure".Progress in Organic Coatings 82(2015):101-112.
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