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ELECTROCHEMICAL NOISE MEASUREMENTS FOR CHARACTERIZATION OF PATINA RUST ON WEATHERING STEEL

1 EREMIAS Boleslav
Co-authors:
1 TUREK Libor
Institution:
1 SVÚOM Ltd., Prague, the Czech Republic, EU
Conference:
26th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 24th - 26th 2017
Proceedings:
Proceedings 26th International Conference on Metallurgy and Materials
Pages:
771-775
ISBN:
978-80-87294-79-6
ISSN:
2694-9296
Published:
9th January 2018
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
172 views / 32 downloads
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Abstract

Electrochemical noise analysis (ENA) was used for the evaluation of corrosion protective properties of patina rust layer formed on weathering steel S355J23W after 8 years of exposure test in Berlin atmosphere. Electrochemical parameters derived from shot noise theory were obtained and related with changes or degradation in tested rust film during 456 h exposure in SO42- and Cl- containing aqueous solution. The electrochemical data was compared with other standard corrosion data.

Keywords: weathering steel, corrosion loss, protective patina, electrochemical noise

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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