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Does "coating resistance" control corrosion?

Bacon, Smith and Rugg first identified a link between the DC resistance of a coated panel after exposure to salt solution and the performance of the coating in an exposure test. Mayne explained this as “resistance inhibition”. This paper will consider what coating resistance measured by Electrochemi...

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Main Authors: Sykes, J. M., Whyte, E. P., Yu, X., Sahir, Z. Sharer
Format: Article
Published: Elsevier Ltd. 2017
Subjects:
T Technology (General)
Online Access:http://eprints.utm.my/id/eprint/80271/
http://dx.doi.org/10.1016/j.porgcoat.2016.04.015
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spelling my.utm.802712019-04-25T01:24:43Z http://eprints.utm.my/id/eprint/80271/ Does "coating resistance" control corrosion? Sykes, J. M. Whyte, E. P. Yu, X. Sahir, Z. Sharer T Technology (General) Bacon, Smith and Rugg first identified a link between the DC resistance of a coated panel after exposure to salt solution and the performance of the coating in an exposure test. Mayne explained this as “resistance inhibition”. This paper will consider what coating resistance measured by Electrochemical Impedance Spectroscopy (EIS) tells us about factors controlling the corrosion process. It shows that the activation energy for ion conduction does not correspond with that for the corrosion process, suggesting that the paint resistance we measure is not the controlling factor. Furthermore, tests on a model galvanic cell reveal a significant influence of both electrode polarisation and resistance inhibition. Elsevier Ltd. 2017 Article PeerReviewed Sykes, J. M. and Whyte, E. P. and Yu, X. and Sahir, Z. Sharer (2017) Does "coating resistance" control corrosion? Progress in Organic Coatings, 102 . pp. 82-87. ISSN 0300-9440 http://dx.doi.org/10.1016/j.porgcoat.2016.04.015 DOI:10.1016/j.porgcoat.2016.04.015
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic T Technology (General)
spellingShingle T Technology (General)
Sykes, J. M.
Whyte, E. P.
Yu, X.
Sahir, Z. Sharer
Does "coating resistance" control corrosion?
description Bacon, Smith and Rugg first identified a link between the DC resistance of a coated panel after exposure to salt solution and the performance of the coating in an exposure test. Mayne explained this as “resistance inhibition”. This paper will consider what coating resistance measured by Electrochemical Impedance Spectroscopy (EIS) tells us about factors controlling the corrosion process. It shows that the activation energy for ion conduction does not correspond with that for the corrosion process, suggesting that the paint resistance we measure is not the controlling factor. Furthermore, tests on a model galvanic cell reveal a significant influence of both electrode polarisation and resistance inhibition.
format Article
author Sykes, J. M.
Whyte, E. P.
Yu, X.
Sahir, Z. Sharer
author_facet Sykes, J. M.
Whyte, E. P.
Yu, X.
Sahir, Z. Sharer
author_sort Sykes, J. M.
title Does "coating resistance" control corrosion?
title_short Does "coating resistance" control corrosion?
title_full Does "coating resistance" control corrosion?
title_fullStr Does "coating resistance" control corrosion?
title_full_unstemmed Does "coating resistance" control corrosion?
title_sort does "coating resistance" control corrosion?
publisher Elsevier Ltd.
publishDate 2017
url http://eprints.utm.my/id/eprint/80271/
http://dx.doi.org/10.1016/j.porgcoat.2016.04.015
_version_ 1643658364413018112
score 13.211869

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