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dc.contributor.authorLuo, JL
dc.contributor.authorLin, CJ;
dc.contributor.author林昌健
dc.contributor.authorYang, Q
dc.contributor.authorGuan, SW
dc.date.accessioned2012-08-04T01:32:00Z
dc.date.available2012-08-04T01:32:00Z
dc.date.issued1998-05-27
dc.identifier.citationPROGRESS IN ORGANIC COATINGS,1997,31(4):289-295zh_CN
dc.identifier.issn0300-9440
dc.identifier.urihttp://dx.doi.org/10.1016/S0300-9440(97)00086-6
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/13420
dc.description.abstractThe cathodic disbonding of a thick, pigmented polyurethane coating from steel in 3.5 wt.% NaCl solution was studied by using an electrochemical AC impedance technique. Double-cylinder electrolyte cells were designed to separate the measurements of cathodic disbonding process from the influence of the impedance of an artificial defect. It was found that for a thick, pigmented polyurethane coating, the more important transport pathway of the reactive species is along the coating/steel interface rather than through the coating. There existed a delay time for the cathodic disbonding process, and cathodic polarization was not a predominant factor in determining the cathodic disbonding behavior in the early stages. The thick polyurethane coating, which was applied on a well sand-blasted steel surface, had excellent resistance to cathodic disbonding. (C) 1997 Elsevier Science S.A.zh_CN
dc.language.isoenzh_CN
dc.publisherELSEVIER SCIENCE SAzh_CN
dc.subjectcathodic disbondingzh_CN
dc.subjectthick polyurethane coatingzh_CN
dc.subjectdouble-cylinder electrolyte cellszh_CN
dc.subjectAC impedancezh_CN
dc.titleCathodic disbonding of a thick polyurethane coating from steel in sodium chloride solutionzh_CN
dc.typeArticlezh_CN


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