Effect of Broken Fiber on Stress Transfer of Short Fiber Reinforced Thermoplastic Matrix Composite

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dc.contributor.authorMansouri Khelifa
dc.contributor.authorBrioua Mourad
dc.contributor.authorDjebaili Hamid
dc.date.accessioned2024-02-12T23:20:34Z
dc.date.available2024-02-12T23:20:34Z
dc.date.issued2019-08-22
dc.descriptionShort fibers are becoming increasingly popular reinforcing elements in products made by injection molding. Short-fiber reinforcement allows the polymer to be processed employing the same methods as those used for unreinforced polymers. The best mechanical performances are achieved in composites when fibers are aligned in the loading direction. There are different methods developed by researchers in order to manufacture aligned short fiber reinforced polymer composites. Unidirectional composites tend to be very stiff and strong in fiber direction but very weak in the transverse direction. Their weakness in transverse direction is attributable to presence of significant stress concentration at the interface of matrix and fiber. In short fiber composites, loads are not directly applied on the fibers but are applied to the matrix and transferred to the fibers through the fiber ends. The process of transfer of load between fibers and matrix in the neighborhood of a fiber break or a matrix crack depends on the strength of the interface. The objective of this study is to analyze the fiber breaking effect in composite made of nylon 66 (PA) matrix reinforced with short glass fiber, in which the fiber diameters of 4.76, 6.35, and 9.5 m were used. A fiber volume fraction of 20 % was assumed in each mode
dc.description.abstractShort fibers are becoming increasingly popular reinforcing elements in products made by injection molding. Short-fiber reinforcement allows the polymer to be processed employing the same methods as those used for unreinforced polymers. The best mechanical performances are achieved in composites when fibers are aligned in the loading direction. There are different methods developed by researchers in order to manufacture aligned short fiber reinforced polymer composites. Unidirectional composites tend to be very stiff and strong in fiber direction but very weak in the transverse direction. Their weakness in transverse direction is attributable to presence of significant stress concentration at the interface of matrix and fiber. In short fiber composites, loads are not directly applied on the fibers but are applied to the matrix and transferred to the fibers through the fiber ends. The process of transfer of load between fibers and matrix in the neighborhood of a fiber break or a matrix crack depends on the strength of the interface. The objective of this study is to analyze the fiber breaking effect in composite made of nylon 66 (PA) matrix reinforced with short glass fiber, in which the fiber diameters of 4.76, 6.35, and 9.5 m were used. A fiber volume fraction of 20 % was assumed in each mode
dc.identifier.issnDOI: 10.21272/jnep.11(4).04008
dc.identifier.urihttp://dspace.univ-khenchela.dz:4000/handle/123456789/562
dc.language.isoen
dc.publisherJOURNAL OF NANO- AND ELECTRONIC PHYSICS
dc.relation.ispartofseriesVol.11(4) 2019
dc.titleEffect of Broken Fiber on Stress Transfer of Short Fiber Reinforced Thermoplastic Matrix Composite
dc.typeArticle
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