Carbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry

Carbon fiber-reinforced polymers (CFRPs) show excellent mechanical strength and lightweight. However, conventional CFRPs require high loading of carbon fibers (CFs) to improve their mechanical properties due to poor polymer–CF interfacial adhesion. We propose a dry and ecofriendly method to fabricat...

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Autores principales:	Jiwan You, Sung Min Jee, Young Mo Lee, Sang-Soo Lee, Min Park, Tae Ann Kim, Jong Hyuk Park
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Carbon fiber-reinforced polymers Stress transfer Plasma-assisted mechanochemistry Interfacial adhesion Mechanical properties Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/e6651df536cb48f5a5d95f131263bba5
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spelling	oai:doaj.org-article:e6651df536cb48f5a5d95f131263bba52021-11-28T04:39:24ZCarbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry2666-682010.1016/j.jcomc.2021.100209https://doaj.org/article/e6651df536cb48f5a5d95f131263bba52021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666682021001018https://doaj.org/toc/2666-6820Carbon fiber-reinforced polymers (CFRPs) show excellent mechanical strength and lightweight. However, conventional CFRPs require high loading of carbon fibers (CFs) to improve their mechanical properties due to poor polymer–CF interfacial adhesion. We propose a dry and ecofriendly method to fabricate high-performance CFRPs by improving interfacial adhesion. The plasma-assisted mechanochemistry (PMC) process can create physical and chemical linkages between polymers and carbon fillers via application of a mechanical force and plasma treatment. We use carbon nanotubes as bridge materials to increase the effective interfacial area and promote mechanical interlocking. The PMC-treated CFRPs exhibit reduced C-factor and increased degree of entanglement, indicating efficient stress transfer the polymer to the filler. Additionally, the PMC process can provide the significantly improved mechanical properties of CFRPs even at low CF loading. Notably, the PMC-treated CFRPs showed continuously increasing tensile strength, Young's modulus, and elongation at break with increasing CF content up to 30 wt%, which has not been observed previously for CFRPs. As a result, the tensile strength, Young's modulus, and elongation at break of the PMC-treated composites with a CF content of 30 wt% increased by 47.1%, 43.0%, and 91.7%, respectively, compared to those of the conventional composites. We believe that this simple approach opens a new route to the fabrication of high-performance CFRPs exhibiting extraordinary mechanical properties.Jiwan YouSung Min JeeYoung Mo LeeSang-Soo LeeMin ParkTae Ann KimJong Hyuk ParkElsevierarticleCarbon fiber-reinforced polymersStress transferPlasma-assisted mechanochemistryInterfacial adhesionMechanical propertiesMaterials of engineering and construction. Mechanics of materialsTA401-492ENComposites Part C: Open Access, Vol 6, Iss , Pp 100209- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Carbon fiber-reinforced polymers Stress transfer Plasma-assisted mechanochemistry Interfacial adhesion Mechanical properties Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Carbon fiber-reinforced polymers Stress transfer Plasma-assisted mechanochemistry Interfacial adhesion Mechanical properties Materials of engineering and construction. Mechanics of materials TA401-492 Jiwan You Sung Min Jee Young Mo Lee Sang-Soo Lee Min Park Tae Ann Kim Jong Hyuk Park Carbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry
description	Carbon fiber-reinforced polymers (CFRPs) show excellent mechanical strength and lightweight. However, conventional CFRPs require high loading of carbon fibers (CFs) to improve their mechanical properties due to poor polymer–CF interfacial adhesion. We propose a dry and ecofriendly method to fabricate high-performance CFRPs by improving interfacial adhesion. The plasma-assisted mechanochemistry (PMC) process can create physical and chemical linkages between polymers and carbon fillers via application of a mechanical force and plasma treatment. We use carbon nanotubes as bridge materials to increase the effective interfacial area and promote mechanical interlocking. The PMC-treated CFRPs exhibit reduced C-factor and increased degree of entanglement, indicating efficient stress transfer the polymer to the filler. Additionally, the PMC process can provide the significantly improved mechanical properties of CFRPs even at low CF loading. Notably, the PMC-treated CFRPs showed continuously increasing tensile strength, Young's modulus, and elongation at break with increasing CF content up to 30 wt%, which has not been observed previously for CFRPs. As a result, the tensile strength, Young's modulus, and elongation at break of the PMC-treated composites with a CF content of 30 wt% increased by 47.1%, 43.0%, and 91.7%, respectively, compared to those of the conventional composites. We believe that this simple approach opens a new route to the fabrication of high-performance CFRPs exhibiting extraordinary mechanical properties.
format	article
author	Jiwan You Sung Min Jee Young Mo Lee Sang-Soo Lee Min Park Tae Ann Kim Jong Hyuk Park
author_facet	Jiwan You Sung Min Jee Young Mo Lee Sang-Soo Lee Min Park Tae Ann Kim Jong Hyuk Park
author_sort	Jiwan You
title	Carbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry
title_short	Carbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry
title_full	Carbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry
title_fullStr	Carbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry
title_full_unstemmed	Carbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry
title_sort	carbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/e6651df536cb48f5a5d95f131263bba5
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Carbon fiber-reinforced polyamide composites with efficient stress transfer via plasma-assisted mechanochemistry

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