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Fatigue Damage Monitoring of a Composite Step Lap Joint Using Distributed Optical Fibre Sensors

Over the past few decades, there has been a considerable interest in the use of distributed optical fibre sensors (DOFS) for structural health monitoring of composite structures. In aerospace-related work, health monitoring of the adhesive joints of composites has become more significant, as they ca...

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Detalles Bibliográficos
Autores principales: Wong, Leslie, Chowdhury, Nabil, Wang, John, Chiu, Wing Kong, Kodikara, Jayantha
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5503041/
https://www.ncbi.nlm.nih.gov/pubmed/28773496
http://dx.doi.org/10.3390/ma9050374
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author Wong, Leslie
Chowdhury, Nabil
Wang, John
Chiu, Wing Kong
Kodikara, Jayantha
author_facet Wong, Leslie
Chowdhury, Nabil
Wang, John
Chiu, Wing Kong
Kodikara, Jayantha
author_sort Wong, Leslie
collection PubMed
description Over the past few decades, there has been a considerable interest in the use of distributed optical fibre sensors (DOFS) for structural health monitoring of composite structures. In aerospace-related work, health monitoring of the adhesive joints of composites has become more significant, as they can suffer from cracking and delamination, which can have a significant impact on the integrity of the joint. In this paper, a swept-wavelength interferometry (SWI) based DOFS technique is used to monitor the fatigue in a flush step lap joint composite structure. The presented results will show the potential application of distributed optical fibre sensor for damage detection, as well as monitoring the fatigue crack growth along the bondline of a step lap joint composite structure. The results confirmed that a distributed optical fibre sensor is able to enhance the detection of localised damage in a structure.
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spelling pubmed-55030412017-07-28 Fatigue Damage Monitoring of a Composite Step Lap Joint Using Distributed Optical Fibre Sensors Wong, Leslie Chowdhury, Nabil Wang, John Chiu, Wing Kong Kodikara, Jayantha Materials (Basel) Article Over the past few decades, there has been a considerable interest in the use of distributed optical fibre sensors (DOFS) for structural health monitoring of composite structures. In aerospace-related work, health monitoring of the adhesive joints of composites has become more significant, as they can suffer from cracking and delamination, which can have a significant impact on the integrity of the joint. In this paper, a swept-wavelength interferometry (SWI) based DOFS technique is used to monitor the fatigue in a flush step lap joint composite structure. The presented results will show the potential application of distributed optical fibre sensor for damage detection, as well as monitoring the fatigue crack growth along the bondline of a step lap joint composite structure. The results confirmed that a distributed optical fibre sensor is able to enhance the detection of localised damage in a structure. MDPI 2016-05-13 /pmc/articles/PMC5503041/ /pubmed/28773496 http://dx.doi.org/10.3390/ma9050374 Text en © 2016 by the authors; Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Wong, Leslie
Chowdhury, Nabil
Wang, John
Chiu, Wing Kong
Kodikara, Jayantha
Fatigue Damage Monitoring of a Composite Step Lap Joint Using Distributed Optical Fibre Sensors
title Fatigue Damage Monitoring of a Composite Step Lap Joint Using Distributed Optical Fibre Sensors
title_full Fatigue Damage Monitoring of a Composite Step Lap Joint Using Distributed Optical Fibre Sensors
title_fullStr Fatigue Damage Monitoring of a Composite Step Lap Joint Using Distributed Optical Fibre Sensors
title_full_unstemmed Fatigue Damage Monitoring of a Composite Step Lap Joint Using Distributed Optical Fibre Sensors
title_short Fatigue Damage Monitoring of a Composite Step Lap Joint Using Distributed Optical Fibre Sensors
title_sort fatigue damage monitoring of a composite step lap joint using distributed optical fibre sensors
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5503041/
https://www.ncbi.nlm.nih.gov/pubmed/28773496
http://dx.doi.org/10.3390/ma9050374
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