Investigation on the interfacial properties of CNTs sized carbon fibres in epoxy resin using push-out method via nano-indentation technique

In this work, the carbon fibres (CFs) surfaces were modified via sizing and coated with a very thin layer of a complex formulation including carbon nanotubes (CNTs). A push-out method was developed based on nanoindentation to assess the interfacial shear strength of the fibre/matrix. The mechanical...

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Autores principales:	Zhang Zhenxue, Li Xiaoying, Dong Hanshan, Jestin Simon, Termine Stefania, Trompeta Aikaterini-Flora, Araújo Andreia, Santos Raquel M., Charitidis Costas
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	push-out cnt carbon fibre reinforced composite nano-indentation wettability Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/1b68987896e848c2818cd7c86d956119
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spelling	oai:doaj.org-article:1b68987896e848c2818cd7c86d9561192021-12-02T17:13:46ZInvestigation on the interfacial properties of CNTs sized carbon fibres in epoxy resin using push-out method via nano-indentation technique2261-236X10.1051/matecconf/202134901007https://doaj.org/article/1b68987896e848c2818cd7c86d9561192021-01-01T00:00:00Zhttps://www.matec-conferences.org/articles/matecconf/pdf/2021/18/matecconf_iceaf2021_01007.pdfhttps://doaj.org/toc/2261-236XIn this work, the carbon fibres (CFs) surfaces were modified via sizing and coated with a very thin layer of a complex formulation including carbon nanotubes (CNTs). A push-out method was developed based on nanoindentation to assess the interfacial shear strength of the fibre/matrix. The mechanical properties such as indentation hardness, reduced modulus, indentation displacement and indentation creep of the composite were evaluated by means of the Oliver-Pharr method. The critical load of different composites was measured and the interfacial shear strength (IFSS) was calculated to compare the effect of the CNTs concentration in the sizing solution. Wettability evaluation of the sized fibres was performed prior to nanoindentation to investigate the adhesion of the resin. After push-out testing, characterisation by optical microscopy/SEM was carried out to ratify the results. It was found sizing with a small amount of evenly distributed nano-inclusion on CFs can increase the interfacial shear strength but large amount of sizing could lead to a decrease of the interfacial bonding due to the agglomeration of CNTs on CFs.Zhang ZhenxueLi XiaoyingDong HanshanJestin SimonTermine StefaniaTrompeta Aikaterini-FloraAraújo AndreiaSantos Raquel M.Charitidis CostasEDP Sciencesarticlepush-outcntcarbon fibre reinforced compositenano-indentationwettabilityEngineering (General). Civil engineering (General)TA1-2040ENFRMATEC Web of Conferences, Vol 349, p 01007 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	push-out cnt carbon fibre reinforced composite nano-indentation wettability Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	push-out cnt carbon fibre reinforced composite nano-indentation wettability Engineering (General). Civil engineering (General) TA1-2040 Zhang Zhenxue Li Xiaoying Dong Hanshan Jestin Simon Termine Stefania Trompeta Aikaterini-Flora Araújo Andreia Santos Raquel M. Charitidis Costas Investigation on the interfacial properties of CNTs sized carbon fibres in epoxy resin using push-out method via nano-indentation technique
description	In this work, the carbon fibres (CFs) surfaces were modified via sizing and coated with a very thin layer of a complex formulation including carbon nanotubes (CNTs). A push-out method was developed based on nanoindentation to assess the interfacial shear strength of the fibre/matrix. The mechanical properties such as indentation hardness, reduced modulus, indentation displacement and indentation creep of the composite were evaluated by means of the Oliver-Pharr method. The critical load of different composites was measured and the interfacial shear strength (IFSS) was calculated to compare the effect of the CNTs concentration in the sizing solution. Wettability evaluation of the sized fibres was performed prior to nanoindentation to investigate the adhesion of the resin. After push-out testing, characterisation by optical microscopy/SEM was carried out to ratify the results. It was found sizing with a small amount of evenly distributed nano-inclusion on CFs can increase the interfacial shear strength but large amount of sizing could lead to a decrease of the interfacial bonding due to the agglomeration of CNTs on CFs.
format	article
author	Zhang Zhenxue Li Xiaoying Dong Hanshan Jestin Simon Termine Stefania Trompeta Aikaterini-Flora Araújo Andreia Santos Raquel M. Charitidis Costas
author_facet	Zhang Zhenxue Li Xiaoying Dong Hanshan Jestin Simon Termine Stefania Trompeta Aikaterini-Flora Araújo Andreia Santos Raquel M. Charitidis Costas
author_sort	Zhang Zhenxue
title	Investigation on the interfacial properties of CNTs sized carbon fibres in epoxy resin using push-out method via nano-indentation technique
title_short	Investigation on the interfacial properties of CNTs sized carbon fibres in epoxy resin using push-out method via nano-indentation technique
title_full	Investigation on the interfacial properties of CNTs sized carbon fibres in epoxy resin using push-out method via nano-indentation technique
title_fullStr	Investigation on the interfacial properties of CNTs sized carbon fibres in epoxy resin using push-out method via nano-indentation technique
title_full_unstemmed	Investigation on the interfacial properties of CNTs sized carbon fibres in epoxy resin using push-out method via nano-indentation technique
title_sort	investigation on the interfacial properties of cnts sized carbon fibres in epoxy resin using push-out method via nano-indentation technique
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/1b68987896e848c2818cd7c86d956119
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Investigation on the interfacial properties of CNTs sized carbon fibres in epoxy resin using push-out method via nano-indentation technique

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