Mechanical properties and drop-weight impact performance of injection-molded HDPE/birch fiber composites

Natural-fiber-reinforced composites offer various advantages over synthetic composites, including low density, useful mechanical properties and environmental friendliness. In spite of the progress achieved in the field, the mechanical performance of these composite materials has yet to be fully char...

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Autores principales:	Agbelenko Koffi, Demagna Koffi, Lotfi Toubal
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Natural fiber High-density polyethylene Birch fiber composites Drop-impact behavior Izod test Hardness Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/491377c648f34b9ba7f278c692536f8d
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spelling	oai:doaj.org-article:491377c648f34b9ba7f278c692536f8d2021-11-24T04:24:57ZMechanical properties and drop-weight impact performance of injection-molded HDPE/birch fiber composites0142-941810.1016/j.polymertesting.2020.106956https://doaj.org/article/491377c648f34b9ba7f278c692536f8d2021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941820321851https://doaj.org/toc/0142-9418Natural-fiber-reinforced composites offer various advantages over synthetic composites, including low density, useful mechanical properties and environmental friendliness. In spite of the progress achieved in the field, the mechanical performance of these composite materials has yet to be fully characterized, particularly in terms of impact resistance. In this study, we measured the drop weight impact, Izod impact strength, hardness, tensile strength and elastic modulus of birch-fiber-reinforced HDPE obtained by injection molding. Drop weight impact energy absorbed was constant and independent of fiber content whereas impact strength was inversely proportional to fiber content. Material toughness decreased slightly at 40% fiber. The Shore D hardness of virgin HDPE increased from 50.6 at 0% fiber to 74.6 at 30% fiber. The improvement of the elastic modulus of a composite containing 40% fiber was 27.2% superior to that reported for similar material made by compression molding. The corresponding improvement in tensile strength was superior by 19.7%. Birch-fiber-reinforced HDPE could be an adequate alternative to technical polymers widely used in several industrial sectors.Agbelenko KoffiDemagna KoffiLotfi ToubalElsevierarticleNatural fiberHigh-density polyethyleneBirch fiber compositesDrop-impact behaviorIzod testHardnessPolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 93, Iss , Pp 106956- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Natural fiber High-density polyethylene Birch fiber composites Drop-impact behavior Izod test Hardness Polymers and polymer manufacture TP1080-1185
spellingShingle	Natural fiber High-density polyethylene Birch fiber composites Drop-impact behavior Izod test Hardness Polymers and polymer manufacture TP1080-1185 Agbelenko Koffi Demagna Koffi Lotfi Toubal Mechanical properties and drop-weight impact performance of injection-molded HDPE/birch fiber composites
description	Natural-fiber-reinforced composites offer various advantages over synthetic composites, including low density, useful mechanical properties and environmental friendliness. In spite of the progress achieved in the field, the mechanical performance of these composite materials has yet to be fully characterized, particularly in terms of impact resistance. In this study, we measured the drop weight impact, Izod impact strength, hardness, tensile strength and elastic modulus of birch-fiber-reinforced HDPE obtained by injection molding. Drop weight impact energy absorbed was constant and independent of fiber content whereas impact strength was inversely proportional to fiber content. Material toughness decreased slightly at 40% fiber. The Shore D hardness of virgin HDPE increased from 50.6 at 0% fiber to 74.6 at 30% fiber. The improvement of the elastic modulus of a composite containing 40% fiber was 27.2% superior to that reported for similar material made by compression molding. The corresponding improvement in tensile strength was superior by 19.7%. Birch-fiber-reinforced HDPE could be an adequate alternative to technical polymers widely used in several industrial sectors.
format	article
author	Agbelenko Koffi Demagna Koffi Lotfi Toubal
author_facet	Agbelenko Koffi Demagna Koffi Lotfi Toubal
author_sort	Agbelenko Koffi
title	Mechanical properties and drop-weight impact performance of injection-molded HDPE/birch fiber composites
title_short	Mechanical properties and drop-weight impact performance of injection-molded HDPE/birch fiber composites
title_full	Mechanical properties and drop-weight impact performance of injection-molded HDPE/birch fiber composites
title_fullStr	Mechanical properties and drop-weight impact performance of injection-molded HDPE/birch fiber composites
title_full_unstemmed	Mechanical properties and drop-weight impact performance of injection-molded HDPE/birch fiber composites
title_sort	mechanical properties and drop-weight impact performance of injection-molded hdpe/birch fiber composites
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/491377c648f34b9ba7f278c692536f8d
work_keys_str_mv	AT agbelenkokoffi mechanicalpropertiesanddropweightimpactperformanceofinjectionmoldedhdpebirchfibercomposites AT demagnakoffi mechanicalpropertiesanddropweightimpactperformanceofinjectionmoldedhdpebirchfibercomposites AT lotfitoubal mechanicalpropertiesanddropweightimpactperformanceofinjectionmoldedhdpebirchfibercomposites
_version_	1718416030720589824

Mechanical properties and drop-weight impact performance of injection-molded HDPE/birch fiber composites

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