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Structure health monitoring of composites joint reinforced by acoustic emission based smart composite fasteners
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Li, Wenhao, Guo, Shijun, Liu, Yiding, Shen, Zhengquan, Xiong, Yi, Gao, Fei, Hughes, Darren J. and Lin, Jing (2022) Structure health monitoring of composites joint reinforced by acoustic emission based smart composite fasteners. Composites Communications, 33 . 101213. doi:10.1016/j.coco.2022.101213 ISSN 2452-2139.
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Official URL: https://doi.org/10.1016/j.coco.2022.101213
Abstract
This paper proposed an Acoustic Emission (AE) based Smart Composite Fastener (SCF) concept for health monitoring of bonded/bolted composite single lap joints. The SCF was made of 3D-printed continuous carbon fibre reinforced thermoplastic materials with an embedded piezoelectric sensor. The SCF detected signals were found to be successfully associated with AE damage sources during the loading period. It was discovered that the adhesive crack/delamination AE sources resulted in burst-type signals with identifiable onset and end, whereas AE sources of frictional sliding between the SCF and fastener holes resulted in continuous-type signals producing broad frequency content. Furthermore, the amplitudes of the burst-type signal measured from the network of SCFs were successfully correlated with the locations of the damages. In the direction away from the damage, the amplitudes of the burst-type voltages measured from the SCF showed a decreasing trend, with 10195mv, 9,995mv, and 7,426mv respectively. Generally, the research in this paper explores the correlation between the voltage signal from a damaged AE source and the SCF, providing the feasibility of using a novel SCF for health monitoring in composite joint structures.
Item Type: | Journal Article | |||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | |||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
Library of Congress Subject Headings (LCSH): | Fasteners, Acoustic emission, Structural health monitoring | |||||||||
Journal or Publication Title: | Composites Communications | |||||||||
Publisher: | Elsevier | |||||||||
ISSN: | 2452-2139 | |||||||||
Official Date: | August 2022 | |||||||||
Dates: |
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Volume: | 33 | |||||||||
Article Number: | 101213 | |||||||||
DOI: | 10.1016/j.coco.2022.101213 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||
Date of first compliant deposit: | 13 July 2022 | |||||||||
Date of first compliant Open Access: | 13 July 2022 | |||||||||
RIOXX Funder/Project Grant: |
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