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Analysis of the tensile modulus of polypropylene composites reinforced with stone groundwood fibers

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dc.contributor.author López, Joan Pere
dc.contributor.author Mutjé Pujol, Pere
dc.contributor.author Pèlach Serra, Maria Àngels
dc.contributor.author El Mansouri, Nour-Eddine
dc.contributor.author Boufi, Sami
dc.contributor.author Vilaseca Morera, Fabiola
dc.date.issued 2012
dc.identifier.issn 1930-2126
dc.identifier.uri http://hdl.handle.net/10256/7588
dc.description.abstract One of the most relevant properties of composite materials to be considered is stiffness. Fiberglass has been used traditionally as a fibrous reinforcing element when stiff materials are required. However, natural fibers are been exploited as replacements for synthetic fibers to satisfy environmental concerns. Among the different natural fibers, wood fibers show the combination of relatively high aspect ratio, good specific stiffness and strength, low density, low cost, and less variability than other natural fibers of such those from annual crops. In this work, composites from polypropylene and stone groundwood fibers from softwood were prepared and mechanically characterized under tensile loads. The Young’s moduli of the ensuing composites were analyzed and their micromechanics aspects evaluated. The reinforcing effect of stone groundwood fibers was compared to that of conventional reinforcement such fiberglass. The Halpin-Tsai model with the modification proposed by Tsai-Pagano accounted fairly for the behavior of PP composites reinforced with stone groundwood fibers. It was also demonstrated that the aspect ratio of the reinforcement plays a role in the Young’s modulus of injection molded specimens cat
dc.format.mimetype application/pdf cat
dc.language.iso eng cat
dc.publisher North Carolina State University cat
dc.relation.ispartof © BioResources, 2012, vol. 7, núm. 1, p. 1310-1323 cat
dc.relation.ispartofseries Articles publicats (D-EQATA) cat
dc.rights Tots els drets reservats cat
dc.subject Polipropilè cat
dc.subject Polypropylene cat
dc.subject Materials compostos -- Propietats mecàniques cat
dc.subject Composite materials -- Mechanical properties cat
dc.subject Fibres naturals
dc.subject Natural fibers
dc.title Analysis of the tensile modulus of polypropylene composites reinforced with stone groundwood fibers cat
dc.type info:eu-repo/semantics/article cat
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.embargo.terms Cap cat
dc.type.version info:eu-repo/semantics/publishedVersion cat

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