Effective Young’s Modulus Estimation of Natural Fibers through Micromechanical Models: The Case of Henequen Fibers Reinforced-PP Composites

In this study, Young’s modulus of henequen fibers was estimated through micromechanical modeling of polypropylene (PP)-based composites, and further corroborated through a single filament tensile test after applying a correction method. PP and henequen strands, chopped to 1 mm length, were mixed in...

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Autores principales:	Ferran Serra-Parareda, Fabiola Vilaseca, Roberto Aguado, Francesc X. Espinach, Quim Tarrés, Marc Delgado-Aguilar
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	composites Young’s modulus stiffness henequen polypropylene Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/00f64bc85fa547d592a1ffdb021714eb
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spelling	oai:doaj.org-article:00f64bc85fa547d592a1ffdb021714eb2021-11-25T18:48:40ZEffective Young’s Modulus Estimation of Natural Fibers through Micromechanical Models: The Case of Henequen Fibers Reinforced-PP Composites10.3390/polym132239472073-4360https://doaj.org/article/00f64bc85fa547d592a1ffdb021714eb2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/22/3947https://doaj.org/toc/2073-4360In this study, Young’s modulus of henequen fibers was estimated through micromechanical modeling of polypropylene (PP)-based composites, and further corroborated through a single filament tensile test after applying a correction method. PP and henequen strands, chopped to 1 mm length, were mixed in the presence of maleic anhydride grafted polypropylene (MAPP). A 4 wt.% of MAPP showed an effective enhancement of the interfacial adhesion. The composites were mold-injected into dog-bone specimens and tensile tested. The Young’s modulus of the composites increased steadily and linearly up to 50 wt.% of fiber content from 1.5 to 6.4 GPa, corresponding to a 327% increase. Certainly, henequen fibers showed a comparable stiffening capacity of PP composites than glass fibers. The intrinsic Young’s modulus of the fibers was predicted through well established models such as Hirsch or Tsai-Pagano, yielding average values of 30.5 and 34.6 GPa, respectively. The single filament test performed to henequen strands resulted in values between 16 and 27 GPa depending on the gauge length, although, after applying a correction method, a Young’s modulus of 33.3 GPa was obtained. Overall, the present work presents the great potential for henequen fibers as PP reinforcement. Moreover, relationships between micromechanics models and filament testing to estimate Young’s modulus of the fibers were explored.Ferran Serra-PararedaFabiola VilasecaRoberto AguadoFrancesc X. EspinachQuim TarrésMarc Delgado-AguilarMDPI AGarticlecompositesYoung’s modulusstiffnesshenequenpolypropyleneOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3947, p 3947 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	composites Young’s modulus stiffness henequen polypropylene Organic chemistry QD241-441
spellingShingle	composites Young’s modulus stiffness henequen polypropylene Organic chemistry QD241-441 Ferran Serra-Parareda Fabiola Vilaseca Roberto Aguado Francesc X. Espinach Quim Tarrés Marc Delgado-Aguilar Effective Young’s Modulus Estimation of Natural Fibers through Micromechanical Models: The Case of Henequen Fibers Reinforced-PP Composites
description	In this study, Young’s modulus of henequen fibers was estimated through micromechanical modeling of polypropylene (PP)-based composites, and further corroborated through a single filament tensile test after applying a correction method. PP and henequen strands, chopped to 1 mm length, were mixed in the presence of maleic anhydride grafted polypropylene (MAPP). A 4 wt.% of MAPP showed an effective enhancement of the interfacial adhesion. The composites were mold-injected into dog-bone specimens and tensile tested. The Young’s modulus of the composites increased steadily and linearly up to 50 wt.% of fiber content from 1.5 to 6.4 GPa, corresponding to a 327% increase. Certainly, henequen fibers showed a comparable stiffening capacity of PP composites than glass fibers. The intrinsic Young’s modulus of the fibers was predicted through well established models such as Hirsch or Tsai-Pagano, yielding average values of 30.5 and 34.6 GPa, respectively. The single filament test performed to henequen strands resulted in values between 16 and 27 GPa depending on the gauge length, although, after applying a correction method, a Young’s modulus of 33.3 GPa was obtained. Overall, the present work presents the great potential for henequen fibers as PP reinforcement. Moreover, relationships between micromechanics models and filament testing to estimate Young’s modulus of the fibers were explored.
format	article
author	Ferran Serra-Parareda Fabiola Vilaseca Roberto Aguado Francesc X. Espinach Quim Tarrés Marc Delgado-Aguilar
author_facet	Ferran Serra-Parareda Fabiola Vilaseca Roberto Aguado Francesc X. Espinach Quim Tarrés Marc Delgado-Aguilar
author_sort	Ferran Serra-Parareda
title	Effective Young’s Modulus Estimation of Natural Fibers through Micromechanical Models: The Case of Henequen Fibers Reinforced-PP Composites
title_short	Effective Young’s Modulus Estimation of Natural Fibers through Micromechanical Models: The Case of Henequen Fibers Reinforced-PP Composites
title_full	Effective Young’s Modulus Estimation of Natural Fibers through Micromechanical Models: The Case of Henequen Fibers Reinforced-PP Composites
title_fullStr	Effective Young’s Modulus Estimation of Natural Fibers through Micromechanical Models: The Case of Henequen Fibers Reinforced-PP Composites
title_full_unstemmed	Effective Young’s Modulus Estimation of Natural Fibers through Micromechanical Models: The Case of Henequen Fibers Reinforced-PP Composites
title_sort	effective young’s modulus estimation of natural fibers through micromechanical models: the case of henequen fibers reinforced-pp composites
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/00f64bc85fa547d592a1ffdb021714eb
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Effective Young’s Modulus Estimation of Natural Fibers through Micromechanical Models: The Case of Henequen Fibers Reinforced-PP Composites

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