A review on acoustic emission testing for structural health monitoring of polymer-based composites

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dc.contributor.authorGhadarah, Noor Salam
dc.contributor.authorAyre, David
dc.date.accessioned2023-08-17T11:33:08Z
dc.date.available2023-08-17T11:33:08Z
dc.date.issued2023-08-04
dc.description.abstractAcoustic emission (AE) has received increased interest as a structural health monitoring (SHM) technique for various materials, including laminated polymer composites. Piezoelectric sensors, including PZT (piezoelectric ceramic) and PVDF (piezoelectric polymer), can monitor AE in materials. The thickness of the piezoelectric sensors (as low as 28 µm—PVDF) allows embedding the sensors within the laminated composite, creating a smart material. Incorporating piezoelectric sensors within composites has several benefits but presents numerous difficulties and challenges. This paper provides an overview of acoustic emission testing, concluding with a discussion on embedding piezoelectric AE sensors within fibre-polymer composites. Various aspects are covered, including the underlying AE principles in fibre-based composites, factors that influence the reliability and accuracy of AE measurements, methods to artificially induce acoustic emission, and the correlation between AE events and damage in polymer composites.en_UK
dc.identifier.citationGhadarah N, Ayre D. (2023) A review on acoustic emission testing for structural health monitoring of polymer-based composites, Sensors, Volume 23, Issue 15, August 2023, Article Number 6945en_UK
dc.identifier.issn1424-8220
dc.identifier.urihttps://doi.org/10.3390/s23156945
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/20113
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectembeddingen_UK
dc.subjectpiezoelectricen_UK
dc.subjectPVDFen_UK
dc.subjectPZTen_UK
dc.titleA review on acoustic emission testing for structural health monitoring of polymer-based compositesen_UK
dc.typeArticleen_UK

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