Article ID Journal Published Year Pages File Type
1470725 Corrosion Science 2009 8 Pages PDF
Abstract

This paper proposes an approach for ranking organic protective coatings via electrochemical impedance spectroscopy (EIS). The areas under the Bode plots have been determined and used as useful parameters to evaluate and to rank six commercial paints with high, intermediate, and poor qualities. Decreasing percentages (DP) of the areas under Bode plots were determined during the immersion periods. It is found that DP of the areas under Bode plots are useful parameters for evaluating coating degradation during the immersion times. Results from this work were in good agreements with the results from electrical equivalent circuit (EEC) models.

Related Topics
Physical Sciences and Engineering Materials Science Ceramics and Composites
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