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Improving the Corrosion Performance of Organically Coated Steel Using a Sol–Gel Overcoat
Materials, Volume: 17, Issue: 5, Start page: 1075
Swansea University Authors:
Evan Watkins , Christian Griffiths, Calvin Richards, Sarah-Jane Potts
, Justin Searle
, Eifion Jewell
-
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Copyright: © 2024 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license
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DOI (Published version): 10.3390/ma17051075
Abstract
Organically coated steels are widely used in applications in which they are subjected to the natural environment and therefore require excellent corrosion resistance. Organic clearcoats are typically employed as a barrier that improves the overall corrosion resistance; however, they are typically de...
Published in: | Materials |
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ISSN: | 1996-1944 |
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MDPI AG
2024
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URI: | https://cronfa.swan.ac.uk/Record/cronfa65848 |
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Organic clearcoats are typically employed as a barrier that improves the overall corrosion resistance; however, they are typically derived from fossil fuel-based feedstock. A more sustainable alternative could be possible using sol–gel coatings. The application of a simple tetraethoxysilane (TEOS)-based sol–gel was applied to polyurethane-coated steels using a spray coater. The concentration of TEOS was altered to produce coatings containing either 2.5% or 10%. The 10% TEOS resulted in dense, homogeneous coatings that offered a significant improvement in corrosion resistance compared to an uncoated substrate. Whereas the 2.5% TEOS coatings were inhomogeneous and porous, which indicated a limitation of concentration required to produce a uniform coating. The successful demonstration of using a simple TEOS-based coating to improve the corrosion resistance of organically coated steel highlights the potential for further investigation into the use of sol–gels for these applications.</abstract><type>Journal Article</type><journal>Materials</journal><volume>17</volume><journalNumber>5</journalNumber><paginationStart>1075</paginationStart><paginationEnd/><publisher>MDPI AG</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint/><issnElectronic>1996-1944</issnElectronic><keywords>sol–gel; coatings; corrosion; barrier; coil coating</keywords><publishedDay>26</publishedDay><publishedMonth>2</publishedMonth><publishedYear>2024</publishedYear><publishedDate>2024-02-26</publishedDate><doi>10.3390/ma17051075</doi><url/><notes/><college>COLLEGE NANME</college><CollegeCode>COLLEGE CODE</CollegeCode><institution>Swansea University</institution><apcterm>External research funder(s) paid the OA fee (includes OA grants disbursed by the Library)</apcterm><funders>This work was made possible by the Engineering and Physical Science Research Council (EP/S02252X/1), Innovate UK and by the European Regional Development Fund through the Welsh Government. 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v2 65848 2024-03-15 Improving the Corrosion Performance of Organically Coated Steel Using a Sol–Gel Overcoat ac8763e21b39071c449e017bcb8e2299 0009-0000-5202-2357 Evan Watkins Evan Watkins true false 6ec8aad26102e4a1c7b00c1832471424 Christian Griffiths Christian Griffiths true false fba04fac258816964c5a4ba702b025e9 Calvin Richards Calvin Richards true false 8c536622ba65fa1e04912d0e2ede88f7 0000-0003-0208-2364 Sarah-Jane Potts Sarah-Jane Potts true false 0e3f2c3812f181eaed11c45554d4cdd0 0000-0003-1101-075X Justin Searle Justin Searle true false 13dc152c178d51abfe0634445b0acf07 0000-0002-6894-2251 Eifion Jewell Eifion Jewell true false 2024-03-15 Organically coated steels are widely used in applications in which they are subjected to the natural environment and therefore require excellent corrosion resistance. Organic clearcoats are typically employed as a barrier that improves the overall corrosion resistance; however, they are typically derived from fossil fuel-based feedstock. A more sustainable alternative could be possible using sol–gel coatings. The application of a simple tetraethoxysilane (TEOS)-based sol–gel was applied to polyurethane-coated steels using a spray coater. The concentration of TEOS was altered to produce coatings containing either 2.5% or 10%. The 10% TEOS resulted in dense, homogeneous coatings that offered a significant improvement in corrosion resistance compared to an uncoated substrate. Whereas the 2.5% TEOS coatings were inhomogeneous and porous, which indicated a limitation of concentration required to produce a uniform coating. The successful demonstration of using a simple TEOS-based coating to improve the corrosion resistance of organically coated steel highlights the potential for further investigation into the use of sol–gels for these applications. Journal Article Materials 17 5 1075 MDPI AG 1996-1944 sol–gel; coatings; corrosion; barrier; coil coating 26 2 2024 2024-02-26 10.3390/ma17051075 COLLEGE NANME COLLEGE CODE Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) This work was made possible by the Engineering and Physical Science Research Council (EP/S02252X/1), Innovate UK and by the European Regional Development Fund through the Welsh Government. The authors would like to thank the Materials and Manufacturing Academy and COATED CDT (COATED M2A) in Swansea University, Engineering and Physical Sciences Research Council (EPSRC via UKRI), the European Social Fund via the Welsh Government and TATA Steel UK for supporting the work described in this article. SEM facilities were provided by the Swansea University AIM Facility, funded in part by the EPSRC. Thanks also to NSG Pilkinton for providing spray coating facilities. EP/S02252X/1 2024-04-18T14:20:28.4916155 2024-03-15T15:14:10.8910066 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Evan Watkins 0009-0000-5202-2357 1 Christian Griffiths 2 Calvin Richards 3 Sarah-Jane Potts 0000-0003-0208-2364 4 Chris Batchelor 0000-0002-2257-3913 5 Peter Barker 6 Justin Searle 0000-0003-1101-075X 7 Eifion Jewell 0000-0002-6894-2251 8 65848__29729__0987a5538c5e4023aa3e51ba67e0f66a.pdf 65848.VOR.pdf 2024-03-15T15:20:16.5015203 Output 7237785 application/pdf Version of Record true Copyright: © 2024 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license true eng https://creativecommons.org/licenses/by/4.0/ |
title |
Improving the Corrosion Performance of Organically Coated Steel Using a Sol–Gel Overcoat |
spellingShingle |
Improving the Corrosion Performance of Organically Coated Steel Using a Sol–Gel Overcoat Evan Watkins Christian Griffiths Calvin Richards Sarah-Jane Potts Justin Searle Eifion Jewell |
title_short |
Improving the Corrosion Performance of Organically Coated Steel Using a Sol–Gel Overcoat |
title_full |
Improving the Corrosion Performance of Organically Coated Steel Using a Sol–Gel Overcoat |
title_fullStr |
Improving the Corrosion Performance of Organically Coated Steel Using a Sol–Gel Overcoat |
title_full_unstemmed |
Improving the Corrosion Performance of Organically Coated Steel Using a Sol–Gel Overcoat |
title_sort |
Improving the Corrosion Performance of Organically Coated Steel Using a Sol–Gel Overcoat |
author_id_str_mv |
ac8763e21b39071c449e017bcb8e2299 6ec8aad26102e4a1c7b00c1832471424 fba04fac258816964c5a4ba702b025e9 8c536622ba65fa1e04912d0e2ede88f7 0e3f2c3812f181eaed11c45554d4cdd0 13dc152c178d51abfe0634445b0acf07 |
author_id_fullname_str_mv |
ac8763e21b39071c449e017bcb8e2299_***_Evan Watkins 6ec8aad26102e4a1c7b00c1832471424_***_Christian Griffiths fba04fac258816964c5a4ba702b025e9_***_Calvin Richards 8c536622ba65fa1e04912d0e2ede88f7_***_Sarah-Jane Potts 0e3f2c3812f181eaed11c45554d4cdd0_***_Justin Searle 13dc152c178d51abfe0634445b0acf07_***_Eifion Jewell |
author |
Evan Watkins Christian Griffiths Calvin Richards Sarah-Jane Potts Justin Searle Eifion Jewell |
author2 |
Evan Watkins Christian Griffiths Calvin Richards Sarah-Jane Potts Chris Batchelor Peter Barker Justin Searle Eifion Jewell |
format |
Journal article |
container_title |
Materials |
container_volume |
17 |
container_issue |
5 |
container_start_page |
1075 |
publishDate |
2024 |
institution |
Swansea University |
issn |
1996-1944 |
doi_str_mv |
10.3390/ma17051075 |
publisher |
MDPI AG |
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 |
Organically coated steels are widely used in applications in which they are subjected to the natural environment and therefore require excellent corrosion resistance. Organic clearcoats are typically employed as a barrier that improves the overall corrosion resistance; however, they are typically derived from fossil fuel-based feedstock. A more sustainable alternative could be possible using sol–gel coatings. The application of a simple tetraethoxysilane (TEOS)-based sol–gel was applied to polyurethane-coated steels using a spray coater. The concentration of TEOS was altered to produce coatings containing either 2.5% or 10%. The 10% TEOS resulted in dense, homogeneous coatings that offered a significant improvement in corrosion resistance compared to an uncoated substrate. Whereas the 2.5% TEOS coatings were inhomogeneous and porous, which indicated a limitation of concentration required to produce a uniform coating. The successful demonstration of using a simple TEOS-based coating to improve the corrosion resistance of organically coated steel highlights the potential for further investigation into the use of sol–gels for these applications. |
published_date |
2024-02-26T14:20:25Z |
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1796678798643560448 |
score |
11.017776 |