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Evaluation of different coating systems by electrochemical methods |
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| Authors: | W Fischer |
| Affiliation: | Laboratory for Corrosion Protection, Markische Fachhochschvie, D-5860 Iserlohn Germany |
| Abstract: | Corrosion protection of organic coated steel is determined by free corrosion potential measurements and impedance spectroscopy. The results are classified by means of very basic considerations and evaluation figures are developed. These electrochemical data are correlated with the extent of the corrosion for each coating system. The evaluation figures are used for ranking coating systems and this ranking is correlated with the ranking with reference to the results of standardized and exposure tests. |
| Keywords: | Corrosion protection Carbon steel Organic coatings Free corrosion potential Impedance spectroscopy |
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