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Comparing modeled and experimental accelerated corrosion tests on steel
Vrije Universiteit Brussel, Belgium.
Vrije Universiteit Brussel, Belgium.
RISE - Research Institutes of Sweden (2017-2019), Materials and Production, KIMAB. (Institut de la Corrosion)
Vrije Universiteit Brussel, Belgium.
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2017 (English)In: Journal of the Electrochemical Society, ISSN 0013-4651, E-ISSN 1945-7111, Vol. 164, no 9, p. C554-C562Article in journal (Refereed) Published
Abstract [en]

Four different accelerated corrosion tests on steel are simulated with a Dynamic Electrolyte Film Corrosion model. Based on the time dependent temperature and humidity, combined with the presence of hygroscopic salts, a time dependent electrolyte thickness is calculated. At every timestep, the modeled film thickness dictates the corrosion current. Focussing on the thickness predictions, an elementary corrosion model is adopted to enable the corrosion depth estimations. The trends of the simulated corrosion depths are compared with experimental data obtained with an electrical resistance corrosion sensing system, demonstrating the importance of the electrolyte thickness and composition for a thorough understanding and modeling of atmospheric corrosion on steel. © The Author(s) 2017.

Place, publisher, year, edition, pages
Electrochemical Society Inc. , 2017. Vol. 164, no 9, p. C554-C562
Keywords [en]
Atmospheric corrosion, Atmospheric humidity, Corrosive effects, Electrolytes, Accelerated corrosion tests, Corrosion current, Corrosion modeling, Electrical resistances, Electrolyte films, Hygroscopic salts, Sensing systems, Time-dependent temperature, Corrosion
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-40016DOI: 10.1149/2.0951709jesScopus ID: 2-s2.0-85042926704OAI: oai:DiVA.org:ri-40016DiVA, id: diva2:1359379
Available from: 2019-10-09 Created: 2019-10-09 Last updated: 2020-02-07Bibliographically approved

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