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The Use of Single-Sided NMR to Study Moisture Behaviour in an Activated Carbon Fibre/Phenolic Composite

Sue Alston Orcid Logo, Cris Arnold Orcid Logo, Martin Swan, Corinne Stone

Applied Magnetic Resonance, Volume: 52, Issue: 2, Pages: 99 - 115

Swansea University Authors: Sue Alston Orcid Logo, Cris Arnold Orcid Logo

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DOI (Published version): 10.1007/s00723-020-01273-3

Abstract

Nuclear Magnetic Resonance (NMR) has been shown to be a useful technique to study the form and content of water in polymer composites. Composites using activated carbon fibres with phenolic resin have complex water absorption behaviour which would benefit from such investigation; however, the presen...

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Published in: Applied Magnetic Resonance
ISSN: 0937-9347 1613-7507
Published: Springer Science and Business Media LLC 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa55332
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first_indexed 2020-10-05T15:32:43Z
last_indexed 2021-04-02T03:21:22Z
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spelling 2021-04-01T14:47:52.7280136 v2 55332 2020-10-05 The Use of Single-Sided NMR to Study Moisture Behaviour in an Activated Carbon Fibre/Phenolic Composite 031a3fc4df0b3c95331bd0fcef5cf708 0000-0003-0496-3296 Sue Alston Sue Alston true false 9f36b5062fc7093b5cbfc547cf452709 0000-0002-8937-1355 Cris Arnold Cris Arnold true false 2020-10-05 EEN Nuclear Magnetic Resonance (NMR) has been shown to be a useful technique to study the form and content of water in polymer composites. Composites using activated carbon fibres with phenolic resin have complex water absorption behaviour which would benefit from such investigation; however, the presence of the conductive fibres can make NMR problematic. In this study, single-sided NMR has been successfully used on such material by developing a method for sample-to-sample compensation for the effect of conductivity. Transverse relaxation curves showed water to be primarily in two states in the resin, corresponding to "bound" and "mobile" molecules. In addition, two much less bound states were identified in the composite, associated firstly with water adsorbed on to the fibre surface and secondly with clusters of water molecules moving more freely within the fibre pores. Journal Article Applied Magnetic Resonance 52 2 99 115 Springer Science and Business Media LLC 0937-9347 1613-7507 1 2 2021 2021-02-01 10.1007/s00723-020-01273-3 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2021-04-01T14:47:52.7280136 2020-10-05T16:31:03.9873197 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - General Engineering Sue Alston 0000-0003-0496-3296 1 Cris Arnold 0000-0002-8937-1355 2 Martin Swan 3 Corinne Stone 4 55332__18436__7284a9d93b0f48638e2dc8ec1b5ebd8a.pdf 55332 (2).pdf 2020-10-16T16:55:52.2212544 Output 1461379 application/pdf Version of Record true This article is licensed under a Creative Commons Attribution 4.0 International License true eng http://creativecommons.org/licenses/by/4.0/
title The Use of Single-Sided NMR to Study Moisture Behaviour in an Activated Carbon Fibre/Phenolic Composite
spellingShingle The Use of Single-Sided NMR to Study Moisture Behaviour in an Activated Carbon Fibre/Phenolic Composite
Sue Alston
Cris Arnold
title_short The Use of Single-Sided NMR to Study Moisture Behaviour in an Activated Carbon Fibre/Phenolic Composite
title_full The Use of Single-Sided NMR to Study Moisture Behaviour in an Activated Carbon Fibre/Phenolic Composite
title_fullStr The Use of Single-Sided NMR to Study Moisture Behaviour in an Activated Carbon Fibre/Phenolic Composite
title_full_unstemmed The Use of Single-Sided NMR to Study Moisture Behaviour in an Activated Carbon Fibre/Phenolic Composite
title_sort The Use of Single-Sided NMR to Study Moisture Behaviour in an Activated Carbon Fibre/Phenolic Composite
author_id_str_mv 031a3fc4df0b3c95331bd0fcef5cf708
9f36b5062fc7093b5cbfc547cf452709
author_id_fullname_str_mv 031a3fc4df0b3c95331bd0fcef5cf708_***_Sue Alston
9f36b5062fc7093b5cbfc547cf452709_***_Cris Arnold
author Sue Alston
Cris Arnold
author2 Sue Alston
Cris Arnold
Martin Swan
Corinne Stone
format Journal article
container_title Applied Magnetic Resonance
container_volume 52
container_issue 2
container_start_page 99
publishDate 2021
institution Swansea University
issn 0937-9347
1613-7507
doi_str_mv 10.1007/s00723-020-01273-3
publisher Springer Science and Business Media LLC
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id 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 Aerospace, Civil, Electrical, General and Mechanical Engineering - General Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - General Engineering
document_store_str 1
active_str 0
description Nuclear Magnetic Resonance (NMR) has been shown to be a useful technique to study the form and content of water in polymer composites. Composites using activated carbon fibres with phenolic resin have complex water absorption behaviour which would benefit from such investigation; however, the presence of the conductive fibres can make NMR problematic. In this study, single-sided NMR has been successfully used on such material by developing a method for sample-to-sample compensation for the effect of conductivity. Transverse relaxation curves showed water to be primarily in two states in the resin, corresponding to "bound" and "mobile" molecules. In addition, two much less bound states were identified in the composite, associated firstly with water adsorbed on to the fibre surface and secondly with clusters of water molecules moving more freely within the fibre pores.
published_date 2021-02-01T04:09:27Z
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score 11.037603

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