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Evaluation of multi-layered graphene nano-platelet composite coatings for corrosion control part I - contact potentials and gas permeability
Corrosion Science, Volume: 136, Pages: 285 - 291
Swansea University Authors:
Calvin Richards, Hamilton McMurray, Jenny Baker , Geraint Williams
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DOI (Published version): 10.1016/j.corsci.2018.03.016
Abstract
The electronic and diffusion-blocking properties of graphene nano-platelets (GNPs) are quantified with a view to understanding their action as (possible) additives to anti-corrosion coatings. Platelet size and thickness are determined by SEM and BET specific surface area measurements. A Scanning Kel...
Published in: | Corrosion Science |
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ISSN: | 0010-938X |
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2018
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URI: | https://cronfa.swan.ac.uk/Record/cronfa39089 |
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2021-01-14T12:59:13.1102944 v2 39089 2018-03-15 Evaluation of multi-layered graphene nano-platelet composite coatings for corrosion control part I - contact potentials and gas permeability fba04fac258816964c5a4ba702b025e9 Calvin Richards Calvin Richards true false 56fc1b17ffc3bdf6039dc05c6eba7f2a Hamilton McMurray Hamilton McMurray true false 6913b56f36f0c8cd34d8c9040d2df460 0000-0003-3530-1957 Jenny Baker Jenny Baker true false 0d8fc8d44e2a3c88ce61832f66f20d82 0000-0002-3399-5142 Geraint Williams Geraint Williams true false 2018-03-15 MTLS The electronic and diffusion-blocking properties of graphene nano-platelets (GNPs) are quantified with a view to understanding their action as (possible) additives to anti-corrosion coatings. Platelet size and thickness are determined by SEM and BET specific surface area measurements. A Scanning Kelvin probe is used to show that a contact potential of up to 1.4 V develops between GNP particles and various metal substrates: silver, copper, iron and zinc. A novel photochemical method is used to show that oxygen permeation rates through a PVB-GNP (polyvinylbutyral) composite coating decrease by over an order of magnitude as GNP volume fraction increases to 0.056. Journal Article Corrosion Science 136 285 291 0010-938X Graphene nano-platelets; contact potential; scanning Kelvin probe; oxygen permeability 15 5 2018 2018-05-15 10.1016/j.corsci.2018.03.016 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2021-01-14T12:59:13.1102944 2018-03-15T11:24:45.1634814 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Calvin Richards 1 C.F. Glover 2 G. Williams 3 Hamilton McMurray 4 Jenny Baker 0000-0003-3530-1957 5 Geraint Williams 0000-0002-3399-5142 6 0039089-15032018112548.pdf richards2018.pdf 2018-03-15T11:25:48.5330000 Output 9411857 application/pdf Accepted Manuscript true 2019-03-14T00:00:00.0000000 true eng |
title |
Evaluation of multi-layered graphene nano-platelet composite coatings for corrosion control part I - contact potentials and gas permeability |
spellingShingle |
Evaluation of multi-layered graphene nano-platelet composite coatings for corrosion control part I - contact potentials and gas permeability Calvin Richards Hamilton McMurray Jenny Baker Geraint Williams |
title_short |
Evaluation of multi-layered graphene nano-platelet composite coatings for corrosion control part I - contact potentials and gas permeability |
title_full |
Evaluation of multi-layered graphene nano-platelet composite coatings for corrosion control part I - contact potentials and gas permeability |
title_fullStr |
Evaluation of multi-layered graphene nano-platelet composite coatings for corrosion control part I - contact potentials and gas permeability |
title_full_unstemmed |
Evaluation of multi-layered graphene nano-platelet composite coatings for corrosion control part I - contact potentials and gas permeability |
title_sort |
Evaluation of multi-layered graphene nano-platelet composite coatings for corrosion control part I - contact potentials and gas permeability |
author_id_str_mv |
fba04fac258816964c5a4ba702b025e9 56fc1b17ffc3bdf6039dc05c6eba7f2a 6913b56f36f0c8cd34d8c9040d2df460 0d8fc8d44e2a3c88ce61832f66f20d82 |
author_id_fullname_str_mv |
fba04fac258816964c5a4ba702b025e9_***_Calvin Richards 56fc1b17ffc3bdf6039dc05c6eba7f2a_***_Hamilton McMurray 6913b56f36f0c8cd34d8c9040d2df460_***_Jenny Baker 0d8fc8d44e2a3c88ce61832f66f20d82_***_Geraint Williams |
author |
Calvin Richards Hamilton McMurray Jenny Baker Geraint Williams |
author2 |
Calvin Richards C.F. Glover G. Williams Hamilton McMurray Jenny Baker Geraint Williams |
format |
Journal article |
container_title |
Corrosion Science |
container_volume |
136 |
container_start_page |
285 |
publishDate |
2018 |
institution |
Swansea University |
issn |
0010-938X |
doi_str_mv |
10.1016/j.corsci.2018.03.016 |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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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 electronic and diffusion-blocking properties of graphene nano-platelets (GNPs) are quantified with a view to understanding their action as (possible) additives to anti-corrosion coatings. Platelet size and thickness are determined by SEM and BET specific surface area measurements. A Scanning Kelvin probe is used to show that a contact potential of up to 1.4 V develops between GNP particles and various metal substrates: silver, copper, iron and zinc. A novel photochemical method is used to show that oxygen permeation rates through a PVB-GNP (polyvinylbutyral) composite coating decrease by over an order of magnitude as GNP volume fraction increases to 0.056. |
published_date |
2018-05-15T03:49:36Z |
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1763752413211131904 |
score |
11.021648 |