Laska, Claudius A., Auinger, Michael, Biedermann, P.Ulrich, Iqbal, Danish, Laska, Nadine, De Strycker, Joost and Mayrhofer, Karl J.J. (2015) Effect of hydrogen carbonate and chloride on zinc corrosion investigated by a scanning flow cell system. Electrochimica Acta, Volume 159 . pp. 198-209. doi:10.1016/j.electacta.2015.01.217 ISSN 0013-4686.

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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.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Journal or Publication Title:	Electrochimica Acta
Publisher:	Pergamon
ISSN:	0013-4686
Official Date:	19 March 2015
Dates:	Date Event 19 March 2015 Published 3 February 2015 Available 31 January 2015 Accepted 18 November 2014 Submitted
Volume:	Volume 159
Page Range:	pp. 198-209
DOI:	10.1016/j.electacta.2015.01.217
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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