Journal article 1253 views
The effect of Mg concentration on the resistance of PVD Zn-Mg coatings to corrosion driven organic coating delamination
Corrosion Science, Volume: 100, Pages: 607 - 618
Swansea University Author:
Geraint Williams
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DOI (Published version): 10.1016/j.corsci.2015.08.036
Abstract
Zn–Mg PVD coatings applied to steel substrates are investigated with respect to their resistance to corrosion-driven organic coating delamination by both cathodic and anodic mechanisms. An in-situ scanning Kelvin probe is employed to quantify delamination rates on model polyvinyl butyral coated surf...
Published in: | Corrosion Science |
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ISSN: | 0010-938X |
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2015
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URI: | https://cronfa.swan.ac.uk/Record/cronfa22973 |
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2018-05-03T15:32:17.6341900 v2 22973 2015-08-28 The effect of Mg concentration on the resistance of PVD Zn-Mg coatings to corrosion driven organic coating delamination 0d8fc8d44e2a3c88ce61832f66f20d82 0000-0002-3399-5142 Geraint Williams Geraint Williams true false 2015-08-28 MTLS Zn–Mg PVD coatings applied to steel substrates are investigated with respect to their resistance to corrosion-driven organic coating delamination by both cathodic and anodic mechanisms. An in-situ scanning Kelvin probe is employed to quantify delamination rates on model polyvinyl butyral coated surfaces and determine the underfilm potentials associated with the delamination corrosion cell. Measurable rates of cathodic disbondment are observed at Mg compositions of ≤5% w/w, but all other Zn–Mg coatings in the range 10–25% w/w resist delamination for periods of up to 48 h. However, Mg compositions of ≥12% w/w produce a susceptibility to coating failure by anodic undermining. Journal Article Corrosion Science 100 607 618 0010-938X 30 11 2015 2015-11-30 10.1016/j.corsci.2015.08.036 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2018-05-03T15:32:17.6341900 2015-08-28T15:29:03.1899009 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering J.L. Davies 1 C.F. Glover 2 J. Van de Langkruis 3 E. Zoestbergen 4 G. Williams 5 Geraint Williams 0000-0002-3399-5142 6 |
title |
The effect of Mg concentration on the resistance of PVD Zn-Mg coatings to corrosion driven organic coating delamination |
spellingShingle |
The effect of Mg concentration on the resistance of PVD Zn-Mg coatings to corrosion driven organic coating delamination Geraint Williams |
title_short |
The effect of Mg concentration on the resistance of PVD Zn-Mg coatings to corrosion driven organic coating delamination |
title_full |
The effect of Mg concentration on the resistance of PVD Zn-Mg coatings to corrosion driven organic coating delamination |
title_fullStr |
The effect of Mg concentration on the resistance of PVD Zn-Mg coatings to corrosion driven organic coating delamination |
title_full_unstemmed |
The effect of Mg concentration on the resistance of PVD Zn-Mg coatings to corrosion driven organic coating delamination |
title_sort |
The effect of Mg concentration on the resistance of PVD Zn-Mg coatings to corrosion driven organic coating delamination |
author_id_str_mv |
0d8fc8d44e2a3c88ce61832f66f20d82 |
author_id_fullname_str_mv |
0d8fc8d44e2a3c88ce61832f66f20d82_***_Geraint Williams |
author |
Geraint Williams |
author2 |
J.L. Davies C.F. Glover J. Van de Langkruis E. Zoestbergen G. Williams Geraint Williams |
format |
Journal article |
container_title |
Corrosion Science |
container_volume |
100 |
container_start_page |
607 |
publishDate |
2015 |
institution |
Swansea University |
issn |
0010-938X |
doi_str_mv |
10.1016/j.corsci.2015.08.036 |
college_str |
Faculty of Science and Engineering |
hierarchytype |
|
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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 |
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description |
Zn–Mg PVD coatings applied to steel substrates are investigated with respect to their resistance to corrosion-driven organic coating delamination by both cathodic and anodic mechanisms. An in-situ scanning Kelvin probe is employed to quantify delamination rates on model polyvinyl butyral coated surfaces and determine the underfilm potentials associated with the delamination corrosion cell. Measurable rates of cathodic disbondment are observed at Mg compositions of ≤5% w/w, but all other Zn–Mg coatings in the range 10–25% w/w resist delamination for periods of up to 48 h. However, Mg compositions of ≥12% w/w produce a susceptibility to coating failure by anodic undermining. |
published_date |
2015-11-30T03:27:14Z |
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1763751005680304128 |
score |
11.021648 |