Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/75407
Title: The electrochemical study of the epoxidic films, electrodeposited on carbon steel
Authors: Drob, P
Vasilescu, E
Popa, MV
Anghel, M
Mirza Rosca, Julia Claudia 
Gonzalez, JEG
Serban, R
UNESCO Clasification: 3328 Procesos tecnológicos
330307 Tecnología de la corrosión
Keywords: Impedance Spectroscopy
Painted Steel
Corrosion
Coatings
Metals
Issue Date: 1999
Journal: Revista de Chimie 
Abstract: This paper presents the results of the electrochemical measurements regarding the epoxy films electrodeposited on carbon steel. Nyquist and Bode diagrams were recorded for various immersion periods in 3% NaCl solution, using the open circuit potential method; their interpretation allows us to modell the corrosion process of carbon steel substrate under epoxy films with an electric equivalent circuit, which has two time constants. Epoxy film capacitance and resistance were monitored with immersion time emphasizing a low water permeability of films and respectively a reduced ionic transport in these films. Anodic polarization curves show low dissolution current densities and in consequence efficiency of the protective films does not decrease in time below 90%.
URI: http://hdl.handle.net/10553/75407
ISSN: 0034-7752
Source: Revista De Chimie[ISSN 0034-7752],v. 50 (11), p. 777-782, (Noviembre 1999)
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