Novel wireless sensing design for composite durability study

Liu, Chang, Fang, Qichen and Lafdi, Khalid (2020) Novel wireless sensing design for composite durability study. Composites Communications, 22. p. 100511. ISSN 2452-2139

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Official URL: https://doi.org/10.1016/j.coco.2020.100511

Abstract

Structural health monitoring (SHM) of chemical penetration in composites is a critical issue for their durability as composite storage. Current methods are either complicated or expensive. Besides, the wired sensing system introduces defects in the composite structure. Herein, we present a novel wireless sensing design for detecting aggressive chemicals in composite reservoirs. Remarkably, the sensing system used in this work is cost-effective and easy to be configured. In this study, we used Radio Frequency Identification (RFID) as wireless sensing technology. A sensor embedded composite panel was prepared and tested in a harsh environment, 30 wt% H2SO4. Additionally, we modified an RFID tag with conductive nanocomposite for the aim of selective sensing. We found that the RFID tags are working well as sensors for detecting the chemical penetration in composites. Compared with conventional color-based methods, the presented novel wireless sensing method provides a much earlier warning signal for chemical penetration.

Item Type: Article
Uncontrolled Keywords: SHM, Composite, Wireless sensing, RF technology
Subjects: H300 Mechanical Engineering
H800 Chemical, Process and Energy Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Elena Carlaw
Date Deposited: 08 Jan 2021 09:24
Last Modified: 08 Jan 2021 09:30
URI: http://nrl.northumbria.ac.uk/id/eprint/45164

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