Stifling magnesium corrosion via a novel anodic coating

Wu, Y.-J.; Chen, X.-B.; Williams, G.; Scully, J. R.; Gengenbach, T.; Birbilis, N.; Williams, Geraint

doi:10.1039/c6ra03464k

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Stifling magnesium corrosion via a novel anodic coating

Y.-J. Wu, X.-B. Chen, G. Williams, J. R. Scully, T. Gengenbach, N. Birbilis, Geraint Williams

RSC Advances, Volume: 6, Issue: 49, Pages: 43408 - 43417

Swansea University Author: Geraint Williams

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DOI (Published version): 10.1039/c6ra03464k

Abstract

The use of light-weight magnesium (Mg) alloys as engineering materials has been hampered in part due to their poor corrosion performance. This work aims to address the corrosion issue of Mg by introducing a functional protective coating system consisting of an intermediate active metallic film (anod...

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Published in:	RSC Advances
ISSN:	2046-2069
Published:	2016
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa27739
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first_indexed	2016-05-07T01:08:31Z
last_indexed	2018-02-09T05:11:09Z
id	cronfa27739
recordtype	SURis
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spelling	2017-06-02T14:37:31.5364860 v2 27739 2016-05-06 Stifling magnesium corrosion via a novel anodic coating 0d8fc8d44e2a3c88ce61832f66f20d82 0000-0002-3399-5142 Geraint Williams Geraint Williams true false 2016-05-06 MTLS The use of light-weight magnesium (Mg) alloys as engineering materials has been hampered in part due to their poor corrosion performance. This work aims to address the corrosion issue of Mg by introducing a functional protective coating system consisting of an intermediate active metallic film (anodic with respect to Mg) and an outer passive coating to slow the rate of dissolution of the intermediate active metallic film; which is akin to the protective surface coating system utilised for galvanised steel. If the outer passive coating is damaged or loses its integrity, the active (i.e. anodic) coating is expected to electrochemically sacrifice itself to impose protection upon the underlying Mg substrate. This work represents a novel corrosion protection system for Mg, and is demonstrated herein for a lanthanum based coating system upon commercial Mg-alloy AZ91D. Journal Article RSC Advances 6 49 43408 43417 2046-2069 31 12 2016 2016-12-31 10.1039/c6ra03464k COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2017-06-02T14:37:31.5364860 2016-05-06T14:00:40.9710292 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Y.-J. Wu 1 X.-B. Chen 2 G. Williams 3 J. R. Scully 4 T. Gengenbach 5 N. Birbilis 6 Geraint Williams 0000-0002-3399-5142 7 0027739-06062016131500.pdf RSC__advances__La__coating__paper__-__preprint__version.pdf 2016-06-06T13:15:00.8900000 Output 1343169 application/pdf Accepted Manuscript true 2017-04-28T00:00:00.0000000 Despite filename this is the accepted manuscript. true
title	Stifling magnesium corrosion via a novel anodic coating
spellingShingle	Stifling magnesium corrosion via a novel anodic coating Geraint Williams
title_short	Stifling magnesium corrosion via a novel anodic coating
title_full	Stifling magnesium corrosion via a novel anodic coating
title_fullStr	Stifling magnesium corrosion via a novel anodic coating
title_full_unstemmed	Stifling magnesium corrosion via a novel anodic coating
title_sort	Stifling magnesium corrosion via a novel anodic coating
author_id_str_mv	0d8fc8d44e2a3c88ce61832f66f20d82
author_id_fullname_str_mv	0d8fc8d44e2a3c88ce61832f66f20d82_***_Geraint Williams
author	Geraint Williams
author2	Y.-J. Wu X.-B. Chen G. Williams J. R. Scully T. Gengenbach N. Birbilis Geraint Williams
format	Journal article
container_title	RSC Advances
container_volume	6
container_issue	49
container_start_page	43408
publishDate	2016
institution	Swansea University
issn	2046-2069
doi_str_mv	10.1039/c6ra03464k
college_str	Faculty of Science and Engineering
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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
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description	The use of light-weight magnesium (Mg) alloys as engineering materials has been hampered in part due to their poor corrosion performance. This work aims to address the corrosion issue of Mg by introducing a functional protective coating system consisting of an intermediate active metallic film (anodic with respect to Mg) and an outer passive coating to slow the rate of dissolution of the intermediate active metallic film; which is akin to the protective surface coating system utilised for galvanised steel. If the outer passive coating is damaged or loses its integrity, the active (i.e. anodic) coating is expected to electrochemically sacrifice itself to impose protection upon the underlying Mg substrate. This work represents a novel corrosion protection system for Mg, and is demonstrated herein for a lanthanum based coating system upon commercial Mg-alloy AZ91D.
published_date	2016-12-31T03:33:42Z
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score	11.021648

Stifling magnesium corrosion via a novel anodic coating

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