Correlation between electrochemical impedance and current distribution of carbon steel under organic coating / D. Kong in Materials and corrosion, Vol. 63 N° 6 (Juin 2012)  

Correlation between electrochemical impedance and current distribution of carbon steel under organic coating [texte imprimé] / D. Kong, Auteur ; Y. Wang, Auteur ; W. Zhang, Auteur . - 2012 . - pp. 475–480.
Génie mécanique
Langues : Anglais (eng)
in Materials and corrosion > Vol. 63 N° 6 (Juin 2012) . - pp. 475–480

Mots-clés :	Current distribution  EIS  organic coating  wire beam electrode
Résumé :	The current distribution of carbon steel beneath intact organic coating exposed to 3.5% NaCl solution was investigated by the wire beam electrode (WBE) method. The electrochemical impedance spectroscopy (EIS) of individual electrodes with high current was characterized to analyze the behavior of the coating degradation and metal corrosion at coating/metal interface. The polarity switch of the electrode under the coating was observed. The mechanism of coating degradation and carbon steel substrate corrosion was discussed from a point of electrochemical distribution.
En ligne :	http://onlinelibrary.wiley.com/doi/10.1002/maco.201006035/abstract