A Comparative Study on the Electrical and Piezoresistive Sensing Characteristics of GFRP and CFRP Composites with Hybridized Incorporation of Carbon Nanotubes, Graphenes, Carbon Nanofibers, and Graphite Nanoplatelets

In this study, hybridized carbon nanomaterials (CNMs), such as carbon nanotubes (CNTs)–graphene, CNT–carbon nanofibers (CNFs), or CNT–graphite nanoplatelet (GNP) materials were embedded in glass-fiber-reinforced plastic (GFRP) or carbon-fiber-reinforced plastic (CFRP) composites to obtain electrical...

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Autores principales:	Manan Bhandari, Jianchao Wang, Daeik Jang, IlWoo Nam, Baofeng Huang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	carbon nanomaterials polymer matrix composites electrical properties piezoresistive characteristics Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/4723a22d998141119df09ba90dfa5e8b
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spelling	oai:doaj.org-article:4723a22d998141119df09ba90dfa5e8b2021-11-11T19:14:47ZA Comparative Study on the Electrical and Piezoresistive Sensing Characteristics of GFRP and CFRP Composites with Hybridized Incorporation of Carbon Nanotubes, Graphenes, Carbon Nanofibers, and Graphite Nanoplatelets10.3390/s212172911424-8220https://doaj.org/article/4723a22d998141119df09ba90dfa5e8b2021-11-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7291https://doaj.org/toc/1424-8220In this study, hybridized carbon nanomaterials (CNMs), such as carbon nanotubes (CNTs)–graphene, CNT–carbon nanofibers (CNFs), or CNT–graphite nanoplatelet (GNP) materials were embedded in glass-fiber-reinforced plastic (GFRP) or carbon-fiber-reinforced plastic (CFRP) composites to obtain electrical/piezoresistive sensing characteristics that surpass those of composites with only one type of CNM. In addition, to quantitatively assess their sensing characteristics, the materials were evaluated in terms of gauge factor, peak shift, and R-squared values. The electrical property results showed that the GFRP samples containing only CNTs or both CNTs and graphene exhibited higher electrical conductivity values than those of other composite samples. By evaluating piezoresistive sensing characteristics, the CNT–CNF GFRP composites showed the highest gauge factor values, followed by the CNT–graphene GFRP and CNT-only GFRP composites. These results are explained by the excluded volume theory. The peak shift and R-squared value results signified that the CNT–graphene GFRP composites exhibited the best sensing characteristics. Thus, the CNT–graphene GFRP composites would be the most feasible for use as FRP composite sensors.Manan BhandariJianchao WangDaeik JangIlWoo NamBaofeng HuangMDPI AGarticlecarbon nanomaterialspolymer matrix compositeselectrical propertiespiezoresistive characteristicsChemical technologyTP1-1185ENSensors, Vol 21, Iss 7291, p 7291 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	carbon nanomaterials polymer matrix composites electrical properties piezoresistive characteristics Chemical technology TP1-1185
spellingShingle	carbon nanomaterials polymer matrix composites electrical properties piezoresistive characteristics Chemical technology TP1-1185 Manan Bhandari Jianchao Wang Daeik Jang IlWoo Nam Baofeng Huang A Comparative Study on the Electrical and Piezoresistive Sensing Characteristics of GFRP and CFRP Composites with Hybridized Incorporation of Carbon Nanotubes, Graphenes, Carbon Nanofibers, and Graphite Nanoplatelets
description	In this study, hybridized carbon nanomaterials (CNMs), such as carbon nanotubes (CNTs)–graphene, CNT–carbon nanofibers (CNFs), or CNT–graphite nanoplatelet (GNP) materials were embedded in glass-fiber-reinforced plastic (GFRP) or carbon-fiber-reinforced plastic (CFRP) composites to obtain electrical/piezoresistive sensing characteristics that surpass those of composites with only one type of CNM. In addition, to quantitatively assess their sensing characteristics, the materials were evaluated in terms of gauge factor, peak shift, and R-squared values. The electrical property results showed that the GFRP samples containing only CNTs or both CNTs and graphene exhibited higher electrical conductivity values than those of other composite samples. By evaluating piezoresistive sensing characteristics, the CNT–CNF GFRP composites showed the highest gauge factor values, followed by the CNT–graphene GFRP and CNT-only GFRP composites. These results are explained by the excluded volume theory. The peak shift and R-squared value results signified that the CNT–graphene GFRP composites exhibited the best sensing characteristics. Thus, the CNT–graphene GFRP composites would be the most feasible for use as FRP composite sensors.
format	article
author	Manan Bhandari Jianchao Wang Daeik Jang IlWoo Nam Baofeng Huang
author_facet	Manan Bhandari Jianchao Wang Daeik Jang IlWoo Nam Baofeng Huang
author_sort	Manan Bhandari
title	A Comparative Study on the Electrical and Piezoresistive Sensing Characteristics of GFRP and CFRP Composites with Hybridized Incorporation of Carbon Nanotubes, Graphenes, Carbon Nanofibers, and Graphite Nanoplatelets
title_short	A Comparative Study on the Electrical and Piezoresistive Sensing Characteristics of GFRP and CFRP Composites with Hybridized Incorporation of Carbon Nanotubes, Graphenes, Carbon Nanofibers, and Graphite Nanoplatelets
title_full	A Comparative Study on the Electrical and Piezoresistive Sensing Characteristics of GFRP and CFRP Composites with Hybridized Incorporation of Carbon Nanotubes, Graphenes, Carbon Nanofibers, and Graphite Nanoplatelets
title_fullStr	A Comparative Study on the Electrical and Piezoresistive Sensing Characteristics of GFRP and CFRP Composites with Hybridized Incorporation of Carbon Nanotubes, Graphenes, Carbon Nanofibers, and Graphite Nanoplatelets
title_full_unstemmed	A Comparative Study on the Electrical and Piezoresistive Sensing Characteristics of GFRP and CFRP Composites with Hybridized Incorporation of Carbon Nanotubes, Graphenes, Carbon Nanofibers, and Graphite Nanoplatelets
title_sort	comparative study on the electrical and piezoresistive sensing characteristics of gfrp and cfrp composites with hybridized incorporation of carbon nanotubes, graphenes, carbon nanofibers, and graphite nanoplatelets
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/4723a22d998141119df09ba90dfa5e8b
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A Comparative Study on the Electrical and Piezoresistive Sensing Characteristics of GFRP and CFRP Composites with Hybridized Incorporation of Carbon Nanotubes, Graphenes, Carbon Nanofibers, and Graphite Nanoplatelets

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