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Article

Piezo-Resistive Properties of Bio-Based Sensor Yarn Made with Sisal Fibre

1
GEMTEX–Laboratoire de Génie et Matériaux Textiles, University of Lille, ENSAIT, F-59000 Lille, France
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Centrale Lille Institut, F-59000 Lille, France
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Laboratory REMTEX, ESITH, Route d’El Jadida, km 8, BP 7731 Oulfa, Casablanca, Morocco
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Laboratory Physics of Condensed Matter (LPMC), Faculty of Science El Jadida, Chouaib Doukkali University, El 24000 Jadida, Morocco
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COBRA (UMR 6014), UNIROUEN, INSA Rouen, Normandie Université, CNRS, 55 rue Saint Germain, F-27000 Evreux, France
*
Author to whom correspondence should be addressed.
Academic Editor: René M. Rossi
Sensors 2021, 21(12), 4083; https://doi.org/10.3390/s21124083
Received: 28 April 2021 / Revised: 10 June 2021 / Accepted: 11 June 2021 / Published: 14 June 2021
(This article belongs to the Special Issue Electronic Textiles and Innovative Wearables)
In this work, a sensor yarn based on a natural sisal yarn containing a non-electro-conductive core impregnated with PVA polymer and coated by PEDOT:PSS polymer as an electro-conductive sheath was investigated. The main objectives include the development of this new sensor yarn as a first step. Then, we look towards the insertion of this sensor yarn into different woven structures followed by the monitoring of the mechanical behaviour of composite materials made with these fibrous reinforcements. The combined effect of the structural geometry and the number of PEDOT:PSS coating layers on the properties of the sensor yarns was investigated. It was found that the number of PEDOT:PSS coating layers could strongly influence the electromechanical behaviours of the sensor yarns. Different methods of characterization were employed on strain-sensor yarns with two and four coating layers of PEDOT:PSS. The piezo-resistive strain-sensor properties of these selected coating layers were evaluated. Cyclic stretching-releasing tests were also performed to investigate the dynamic strain-sensing behavior. The obtained results indicated that gauge factor values can be extracted in three strain regions for two and four coating layers, respectively. Moreover, these strain-sensor yarns showed accurate and stable sensor responses under cyclic conditions. Furthers works are in progress to investigate the mechanism behind these first results of these sisal fibre-based sensors. View Full-Text
Keywords: sisal yarn; piezo-resistive strain sensor; electromechanical properties; bio-based composite; in-situ monitoring sisal yarn; piezo-resistive strain sensor; electromechanical properties; bio-based composite; in-situ monitoring
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MDPI and ACS Style

Abed, A.; Samouh, Z.; Cochrane, C.; Boussu, F.; Cherkaoui, O.; El Moznine, R.; Vieillard, J. Piezo-Resistive Properties of Bio-Based Sensor Yarn Made with Sisal Fibre. Sensors 2021, 21, 4083. https://doi.org/10.3390/s21124083

AMA Style

Abed A, Samouh Z, Cochrane C, Boussu F, Cherkaoui O, El Moznine R, Vieillard J. Piezo-Resistive Properties of Bio-Based Sensor Yarn Made with Sisal Fibre. Sensors. 2021; 21(12):4083. https://doi.org/10.3390/s21124083

Chicago/Turabian Style

Abed, Ahmed, Zineb Samouh, Cédric Cochrane, Francois Boussu, Omar Cherkaoui, Reddad El Moznine, and Julien Vieillard. 2021. "Piezo-Resistive Properties of Bio-Based Sensor Yarn Made with Sisal Fibre" Sensors 21, no. 12: 4083. https://doi.org/10.3390/s21124083

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