Diffusion of iron ions through protective coatings on steel

Skoulikidis, T; Ragoussis, A

dc.contributor.author	Skoulikidis, T	en
dc.contributor.author	Ragoussis, A	en
dc.date.accessioned	2014-03-01T01:08:46Z
dc.date.available	2014-03-01T01:08:46Z
dc.date.issued	1992	en
dc.identifier.issn	0010-9312	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/10672
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-0026910056&partnerID=40&md5=4b15d1de7a825aa99f4dd96847aa7b6b	en
dc.subject	ELECTRON PROBE MICROANALYSIS	en
dc.subject	IRON IONS	en
dc.subject	STEELS	en
dc.subject.classification	Materials Science, Multidisciplinary	en
dc.subject.classification	Metallurgy & Metallurgical Engineering	en
dc.subject.other	Diffusion in Solids	en
dc.subject.other	Ions	en
dc.subject.other	Microanalysis	en
dc.subject.other	Protective Coatings	en
dc.subject.other	Steel	en
dc.subject.other	Electron Probe Microanalysis	en
dc.subject.other	Iron	en
dc.title	Diffusion of iron ions through protective coatings on steel	en
heal.type	journalArticle	en
heal.language	English	en
heal.publicationDate	1992	en
heal.abstract	Quantitative electron probe microanalysis (EPMA) measurements on the cross section of a polymer or anticorrosive paint coating on steel, exposed to a corrosive environment (3.5% NaCl solution), showed diffusion of iron ions through the coating toward the environment. Quantitative measurements followed to determine the Fe2+ diffusion rates through the coatings for several temperatures and to calculate the activation energy for each type of coating. These values compare with corrosion rates and the activation energies determined from gravimetric measurements (weight loss) obtained under the same conditions. A commercial, anticorrosive paint coal tar epoxy retards this diffusion. These measurements can, in some cases, complement the electrical or weight loss measurements when the anticorrosive properties of coatings on steel exposed in a corrosive environment are tested.	en
heal.publisher	NATL ASSN CORROSION ENG	en
heal.journalName	Corrosion	en
dc.identifier.isi	ISI:A1992JP89400007	en
dc.identifier.volume	48	en
dc.identifier.issue	8	en
dc.identifier.spage	666	en
dc.identifier.epage	670	en