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Inhibition of Filiform Corrosion on Organic-Coated Magnesium-Containing Galvanized Steel by Smart-Release Ion Exchange Pigments

Emmanouela Michailidou, Hamilton McMurray, Geraint Williams Orcid Logo

ECS Transactions, Volume: 80, Issue: 10, Pages: 585 - 591

Swansea University Authors: Hamilton McMurray, Geraint Williams Orcid Logo

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DOI (Published version): 10.1149/08010.0585ecst

Abstract

This paper describes a systematic kinetic study on the inhibitory effect of anion exchange Hydrotalcite-based pigments on filiform corroding hot dipped Zn-(1-2 w%)Mg-(1-2 w%)Al galvanized steel. Filiform corrosion was initiated via scribing the organic-coated samples and introducing a corrosive elec...

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Published in: ECS Transactions
ISSN: 1938-6737 1938-5862
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa40083
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spelling 2018-05-10T09:40:41.9078137 v2 40083 2018-05-10 Inhibition of Filiform Corrosion on Organic-Coated Magnesium-Containing Galvanized Steel by Smart-Release Ion Exchange Pigments 56fc1b17ffc3bdf6039dc05c6eba7f2a Hamilton McMurray Hamilton McMurray true false 0d8fc8d44e2a3c88ce61832f66f20d82 0000-0002-3399-5142 Geraint Williams Geraint Williams true false 2018-05-10 FGSEN This paper describes a systematic kinetic study on the inhibitory effect of anion exchange Hydrotalcite-based pigments on filiform corroding hot dipped Zn-(1-2 w%)Mg-(1-2 w%)Al galvanized steel. Filiform corrosion was initiated via scribing the organic-coated samples and introducing a corrosive electrolyte in the defect. Following filiform corrosion initiation, the time-dependent extent of coating delamination was determined photographically over a period of six weeks. It is positively demonstrated that the addition of smart-release pigments in the organic coating greatly suppresses the rate of filiform corrosion. The inhibitor efficiency is shown to increase in the order: carbonate < benzotriazole < benzotriazolate. The release of carbonates leads to filiform corrosion increase. Journal Article ECS Transactions 80 10 585 591 1938-6737 1938-5862 31 12 2017 2017-12-31 10.1149/08010.0585ecst COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2018-05-10T09:40:41.9078137 2018-05-10T09:38:09.6969869 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Emmanouela Michailidou 1 Hamilton McMurray 2 Geraint Williams 0000-0002-3399-5142 3
title Inhibition of Filiform Corrosion on Organic-Coated Magnesium-Containing Galvanized Steel by Smart-Release Ion Exchange Pigments
spellingShingle Inhibition of Filiform Corrosion on Organic-Coated Magnesium-Containing Galvanized Steel by Smart-Release Ion Exchange Pigments
Hamilton McMurray
Geraint Williams
title_short Inhibition of Filiform Corrosion on Organic-Coated Magnesium-Containing Galvanized Steel by Smart-Release Ion Exchange Pigments
title_full Inhibition of Filiform Corrosion on Organic-Coated Magnesium-Containing Galvanized Steel by Smart-Release Ion Exchange Pigments
title_fullStr Inhibition of Filiform Corrosion on Organic-Coated Magnesium-Containing Galvanized Steel by Smart-Release Ion Exchange Pigments
title_full_unstemmed Inhibition of Filiform Corrosion on Organic-Coated Magnesium-Containing Galvanized Steel by Smart-Release Ion Exchange Pigments
title_sort Inhibition of Filiform Corrosion on Organic-Coated Magnesium-Containing Galvanized Steel by Smart-Release Ion Exchange Pigments
author_id_str_mv 56fc1b17ffc3bdf6039dc05c6eba7f2a
0d8fc8d44e2a3c88ce61832f66f20d82
author_id_fullname_str_mv 56fc1b17ffc3bdf6039dc05c6eba7f2a_***_Hamilton McMurray
0d8fc8d44e2a3c88ce61832f66f20d82_***_Geraint Williams
author Hamilton McMurray
Geraint Williams
author2 Emmanouela Michailidou
Hamilton McMurray
Geraint Williams
format Journal article
container_title ECS Transactions
container_volume 80
container_issue 10
container_start_page 585
publishDate 2017
institution Swansea University
issn 1938-6737
1938-5862
doi_str_mv 10.1149/08010.0585ecst
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 0
active_str 0
description This paper describes a systematic kinetic study on the inhibitory effect of anion exchange Hydrotalcite-based pigments on filiform corroding hot dipped Zn-(1-2 w%)Mg-(1-2 w%)Al galvanized steel. Filiform corrosion was initiated via scribing the organic-coated samples and introducing a corrosive electrolyte in the defect. Following filiform corrosion initiation, the time-dependent extent of coating delamination was determined photographically over a period of six weeks. It is positively demonstrated that the addition of smart-release pigments in the organic coating greatly suppresses the rate of filiform corrosion. The inhibitor efficiency is shown to increase in the order: carbonate < benzotriazole < benzotriazolate. The release of carbonates leads to filiform corrosion increase.
published_date 2017-12-31T03:51:00Z
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score 11.030581

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