Corrosion resistance and dielectric properties of an iron oxide filled epoxy coating / N. Kouloumbi in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 870 (07/1997)

[article]  inJOURNAL OF COATINGS TECHNOLOGY (JCT) > Vol. 69, N° 870 (07/1997) . - p. 53-59 Titre : Corrosion resistance and dielectric properties of an iron oxide filled epoxy coating Type de document : texte imprimé Auteurs : N. Kouloumbi, Auteur ; G. M. Tsangaris, Auteur ; C. Vourvahi, Auteur ; Ferenc Molnar, Auteur Année de publication : 1997 Article en page(s) : p. 53-59 Note générale : Bibliogr. Langues : Américain (ame) Tags : 'Matériau  revêtement'  'Epoxyde  résine'  'Matière  charge'  'Fer  Oxyde'  'Propriété  chimique'  électrique'  diélectrique'  Feuil  'Résistance  corrosion'  'Peinture  anticorrosion' Index. décimale : 667.9 Revêtements et enduits Résumé : Polymeric composites of a bisphenol-A-epoxy resin and iron oxide filler (15% w/w) were deposited on pretreated steel specimens. The applied coatings had a thickness of 80 μm and 220 μm. The modification of the anticorrosive and dielectric characteristics of these coatings, in a corrosive environment (3.5% NaCl), were monitored by potentiodynamic polarization measurements, electrochemical impedance spectroscopy, and dielectric measurements. Corrosion resistance of composite coatings was found to be somewhat higher than that of unfilled epoxy coatings. Coatings containing iron oxide a exhibited capacitive behavior as revealed by dielectric and EIS measurements. This behavior is more pronounced in high thickness composite coatings. Note de contenu : - EXPERIMENTAL : Materials - Sample preparation - Test instrumentation and conditions - RESULTS AND DISCUSSION : Corrosion current measurements - Impedance measurements - Dielectric permittivity measurements - Ratings of visible damage Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18262 [article]

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