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The corrosion of chromium based coatings for packaging steel

A.C.A. de Vooys, Hamilton McMurray, Natalie Wint

Electrochimica Acta, Volume: 203, Pages: 326 - 336

Swansea University Authors: Hamilton McMurray, Natalie Wint

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DOI (Published version): 10.1016/j.electacta.2016.01.100

Abstract

Chromium/chromium oxide based coatings, cathodically electrodeposited from either Cr (VI) or Cr (III) containing electrolytes are compared with respect to their ability to resist the corrosion driven delamination of an adherent polymer overcoat. Cathodic disbondment rates are determined using an in-...

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Published in: Electrochimica Acta
ISSN: 0013-4686
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa26340
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first_indexed 2016-02-22T12:59:25Z
last_indexed 2020-05-27T12:36:35Z
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spelling 2020-05-27T11:33:55.6135652 v2 26340 2016-02-16 The corrosion of chromium based coatings for packaging steel 56fc1b17ffc3bdf6039dc05c6eba7f2a Hamilton McMurray Hamilton McMurray true false 5be5dcc4b97c78b3063e258add4fff5c Natalie Wint Natalie Wint true false 2016-02-16 FGSEN Chromium/chromium oxide based coatings, cathodically electrodeposited from either Cr (VI) or Cr (III) containing electrolytes are compared with respect to their ability to resist the corrosion driven delamination of an adherent polymer overcoat. Cathodic disbondment rates are determined using an in-situ scanning Kelvin probe technique. Anodic disbondment (filiform corrosion, FFC) rates are determined optically. The Cr (VI) derived coatings were fully resistant to corrosion driven disbondment. The Cr (III) derived coatings exhibited measurable rates of both FFC and cathodic disbondment. Disbondment kinetics are explained in relation to coating morphology, porosity and chemical composition determined using a combination of scanning electron microscopy (SEM), transmission electron microscopy (TEM) and xray photoelectron spectroscopy (XPS). Journal Article Electrochimica Acta 203 326 336 0013-4686 10 6 2016 2016-06-10 10.1016/j.electacta.2016.01.100 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2020-05-27T11:33:55.6135652 2016-02-16T15:02:10.1365079 A.C.A. de Vooys 1 Hamilton McMurray 2 Natalie Wint 3 0026340-16022016150703.pdf WinterCorrosionOfChromiumBasedCoatingsPostprint.pdf 2016-02-16T15:07:03.0770000 Output 1759245 application/pdf Accepted Manuscript true 2017-01-16T00:00:00.0000000 true
title The corrosion of chromium based coatings for packaging steel
spellingShingle The corrosion of chromium based coatings for packaging steel
Hamilton McMurray
Natalie Wint
title_short The corrosion of chromium based coatings for packaging steel
title_full The corrosion of chromium based coatings for packaging steel
title_fullStr The corrosion of chromium based coatings for packaging steel
title_full_unstemmed The corrosion of chromium based coatings for packaging steel
title_sort The corrosion of chromium based coatings for packaging steel
author_id_str_mv 56fc1b17ffc3bdf6039dc05c6eba7f2a
5be5dcc4b97c78b3063e258add4fff5c
author_id_fullname_str_mv 56fc1b17ffc3bdf6039dc05c6eba7f2a_***_Hamilton McMurray
5be5dcc4b97c78b3063e258add4fff5c_***_Natalie Wint
author Hamilton McMurray
Natalie Wint
author2 A.C.A. de Vooys
Hamilton McMurray
Natalie Wint
format Journal article
container_title Electrochimica Acta
container_volume 203
container_start_page 326
publishDate 2016
institution Swansea University
issn 0013-4686
doi_str_mv 10.1016/j.electacta.2016.01.100
document_store_str 1
active_str 0
description Chromium/chromium oxide based coatings, cathodically electrodeposited from either Cr (VI) or Cr (III) containing electrolytes are compared with respect to their ability to resist the corrosion driven delamination of an adherent polymer overcoat. Cathodic disbondment rates are determined using an in-situ scanning Kelvin probe technique. Anodic disbondment (filiform corrosion, FFC) rates are determined optically. The Cr (VI) derived coatings were fully resistant to corrosion driven disbondment. The Cr (III) derived coatings exhibited measurable rates of both FFC and cathodic disbondment. Disbondment kinetics are explained in relation to coating morphology, porosity and chemical composition determined using a combination of scanning electron microscopy (SEM), transmission electron microscopy (TEM) and xray photoelectron spectroscopy (XPS).
published_date 2016-06-10T03:31:35Z
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score 10.997933

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