$Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content$
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Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content

This paper reports improvement in the fracture properties of epoxy nanocomposites using plasma functionalized graphene nanoplatelets (f-GNP) at low filler content. Various mechanical tests were performed on a series of f-GNP/epoxy at low nanofiller loading to assess the effect of the nanofiller on m...

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Autores principales:	Nadiim Domun, Homayoun Hadavinia, Tao Zhang, Gholamhossein Liaghat, Samireh Vahid, Chris Spacie, Keith R. Paton, Toby Sainsbury
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2017
Materias:	Epoxy Graphene Nanocomposite Toughening Mechanical properties Fracture toughness Materials of engineering and construction. Mechanics of materials TA401-492 Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/e7fc0c90d6364ea4a7a75ed7d8a32b66
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spelling	oai:doaj.org-article:e7fc0c90d6364ea4a7a75ed7d8a32b662021-12-02T02:29:22ZImproving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content2055-03242055-033210.1080/20550324.2017.1365414https://doaj.org/article/e7fc0c90d6364ea4a7a75ed7d8a32b662017-07-01T00:00:00Zhttp://dx.doi.org/10.1080/20550324.2017.1365414https://doaj.org/toc/2055-0324https://doaj.org/toc/2055-0332This paper reports improvement in the fracture properties of epoxy nanocomposites using plasma functionalized graphene nanoplatelets (f-GNP) at low filler content. Various mechanical tests were performed on a series of f-GNP/epoxy at low nanofiller loading to assess the effect of the nanofiller on mechanical properties. Most importantly, a significant enhancement in fracture toughness is achieved without compromising the tensile and thermal properties of the nanocomposites. The fracture toughness of neat epoxy resin was increased by over 50% with the incorporation of 0.25 wt% f-GNP loading, obtaining a value of 245 J m−2, while the neat epoxy indicated a value of 162 J m−2. The glass transition temperature (Tg) and coefficient of thermal expansion (CTE) both showed a slight increase of 3% and 2%, respectively, both at 1 wt% f-GNP loading. These enhancements are competitive with current literature results on nanocomposites, but at significantly lower filler content. We therefore demonstrate that f-GNPs are capable of providing effective toughening of epoxy resins, while maintaining other tensile and thermal properties.Nadiim DomunHomayoun HadaviniaTao ZhangGholamhossein LiaghatSamireh VahidChris SpacieKeith R. PatonToby SainsburyTaylor & Francis GrouparticleEpoxyGrapheneNanocompositeTougheningMechanical propertiesFracture toughnessMaterials of engineering and construction. Mechanics of materialsTA401-492Polymers and polymer manufactureTP1080-1185ENNanocomposites, Vol 3, Iss 3, Pp 85-96 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Epoxy Graphene Nanocomposite Toughening Mechanical properties Fracture toughness Materials of engineering and construction. Mechanics of materials TA401-492 Polymers and polymer manufacture TP1080-1185
spellingShingle	Epoxy Graphene Nanocomposite Toughening Mechanical properties Fracture toughness Materials of engineering and construction. Mechanics of materials TA401-492 Polymers and polymer manufacture TP1080-1185 Nadiim Domun Homayoun Hadavinia Tao Zhang Gholamhossein Liaghat Samireh Vahid Chris Spacie Keith R. Paton Toby Sainsbury Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content
description	This paper reports improvement in the fracture properties of epoxy nanocomposites using plasma functionalized graphene nanoplatelets (f-GNP) at low filler content. Various mechanical tests were performed on a series of f-GNP/epoxy at low nanofiller loading to assess the effect of the nanofiller on mechanical properties. Most importantly, a significant enhancement in fracture toughness is achieved without compromising the tensile and thermal properties of the nanocomposites. The fracture toughness of neat epoxy resin was increased by over 50% with the incorporation of 0.25 wt% f-GNP loading, obtaining a value of 245 J m−2, while the neat epoxy indicated a value of 162 J m−2. The glass transition temperature (Tg) and coefficient of thermal expansion (CTE) both showed a slight increase of 3% and 2%, respectively, both at 1 wt% f-GNP loading. These enhancements are competitive with current literature results on nanocomposites, but at significantly lower filler content. We therefore demonstrate that f-GNPs are capable of providing effective toughening of epoxy resins, while maintaining other tensile and thermal properties.
format	article
author	Nadiim Domun Homayoun Hadavinia Tao Zhang Gholamhossein Liaghat Samireh Vahid Chris Spacie Keith R. Paton Toby Sainsbury
author_facet	Nadiim Domun Homayoun Hadavinia Tao Zhang Gholamhossein Liaghat Samireh Vahid Chris Spacie Keith R. Paton Toby Sainsbury
author_sort	Nadiim Domun
title	Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content
title_short	Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content
title_full	Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content
title_fullStr	Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content
title_full_unstemmed	Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content
title_sort	improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content
publisher	Taylor & Francis Group
publishDate	2017
url	https://doaj.org/article/e7fc0c90d6364ea4a7a75ed7d8a32b66
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_version_	1718402501119574016

Improving the fracture toughness properties of epoxy using graphene nanoplatelets at low filler content

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