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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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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-A80C-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-D157-8
Genre: Journal Article

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 Creators:
Laska, Claudius Alexander1, Author              
Auinger, Michael2, 3, Author              
Biedermann, Paul Ulrich4, Author              
Iqbal, Danish5, Author              
Laska, Nadine6, Author              
De Strycker, Joost7, Author              
Mayrhofer, Karl Johann Jakob1, Author              
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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Free keywords: Anodic dissolution; Atmospheric corrosion; Passive films; Pitting corrosion; Zinc
 Abstract: 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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Language(s): eng - English
 Dates: 2015-03-20
 Publication Status: Published in print
 Pages: 12
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Degree: -

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Title: Electrochimica Acta
  Abbreviation : Electrochim. Acta
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Oxford, UK : Pergamon-Elsevier Science Ltd
Pages: - Volume / Issue: 159 Sequence Number: - Start / End Page: 198 - 209 Identifier: ISSN: 0013-4686
CoNE: https://pure.mpg.de/cone/journals/resource/954925396434