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Elaboration and Characterization of Composite Materials Reinforced by Papaya Trunk Fibers (Carica papaya) and Particles of the Hulls of the Kernels of the Winged Fruits (Canarium schweinfurthii) with Polyester Matrix

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Document pages: 12 pages

Abstract: In this work we determine the physical and mechanical properties of localcomposites reinforced with papaya trunk fibers (FTP) on one hand and particlesof the hulls of the kernels of the garlic (PCNFA) in the other hand. Thesamples are produced according to BSI 2782 standards; by combining fibers anduntreated to polyester matrix following the contact molding method. We noticethat the long fibers of papaya trunks improve the tensile compressioncharacteristics of composites by 45.44 compared to pure polyester; while theshort fibers improve the flexural strength of composites by 62.30 compared topure polyester. Furthermore, adding fibers decreases the density of the finalcomposite material and the rate of water absorption increases with the size ofthe fibers. As regards composite materials with particle reinforcement from thecores of the winged fruits, the particle size (fine ≤ 800 μm and large ≤ 1.6mm) has no influence on the Young’s modulus and on the rate of waterabsorption. On the other hand, fine particles improve the flexural strength ofcomposite materials by 53.08 compared to pure polyester; fine particlesincrease the density by 19 compared to the density of pure polyester.

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