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  Effect of hydrogen carbonate and chloride on zinc corrosion investigated by a scanning flow cell system

Laska, C. A., Auinger, M., Biedermann, P. U., Iqbal, D., Laska, N., De Strycker, J., et al. (2015). Effect of hydrogen carbonate and chloride on zinc corrosion investigated by a scanning flow cell system. Electrochimica Acta, 159, 198-209. doi:10.1016/j.electacta.2015.01.217.

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Laska, Claudius Alexander1, Autor           
Auinger, Michael2, 3, Autor           
Biedermann, Paul Ulrich4, Autor           
Iqbal, Danish5, Autor           
Laska, Nadine6, Autor           
De Strycker, Joost7, Autor           
Mayrhofer, Karl Johann Jakob1, Autor           
Affiliations:
1Electrocatalysis, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863354              
2Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_2074315              
3InnovMath, Geisensheim 9, Pichl bei Wels, Austria, ou_persistent22              
4Atomistic Modelling, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863350              
5Interface Spectroscopy, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863358              
6Deutsches Zentrum für Luft- und Raumfahrt E.V., Linder Höhe, Köln, Germany, ou_persistent22              
7ArcelorMittal Global R and D, Pres. J.F. Kennedylaan 3, Zelzate, Belgium, ou_persistent22              

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Schlagwörter: Anodic dissolution; Atmospheric corrosion; Passive films; Pitting corrosion; Zinc
 Zusammenfassung: A scanning flow cell with time-resolved downstream detection system is employed to analyse the corrosion behaviour of zinc in weakly alkaline hydrogen carbonate-containing electrolytes. Since zinc is usually exposed to varying environmental conditions, dynamic electrolyte exchange is used to investigate the impact of changing electrolyte constituents over time for the first time. The polarization resistance was monitored with galvanostatic pulses. Anodic current steps are applied to correlate the overall net current to the rate of precipitate formation. The results are complemented by investigations of the morphological features of the corroded surfaces and precipitates utilizing broad ion beam cross-sectioning techniques. (C) 2015 Elsevier Ltd. All rights reserved.

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Sprache(n): eng - English
 Datum: 2015-03-20
 Publikationsstatus: Erschienen
 Seiten: 12
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: ISI: 000350446400026
DOI: 10.1016/j.electacta.2015.01.217
 Art des Abschluß: -

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Titel: Electrochimica Acta
  Kurztitel : Electrochim. Acta
Genre der Quelle: Zeitschrift
 Urheber:
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Ort, Verlag, Ausgabe: Oxford, UK : Pergamon-Elsevier Science Ltd
Seiten: - Band / Heft: 159 Artikelnummer: - Start- / Endseite: 198 - 209 Identifikator: ISSN: 0013-4686
CoNE: https://pure.mpg.de/cone/journals/resource/954925396434