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Tribo-mechanical behavior of HDPE/Natural fibers filler composite materials

  • J.F. Louvier-Hernández (a1), E. García-Bustos (a2), C. Hernández-Navarro (a1), G. Mendoza-Leal (a1), L.A. Alcaraz-Caracheo (a1), J. Navarrete-Damián (a3) and F.J. García-Rodríguez (a1)...


Over the last decade, polymer composites reinforced with natural fibers gained interest, both from the academic world and from various industries. Due to the demanding needs for environmentally friendly composites, the automotive industry is now searching for biodegradable and renewable composite materials and products. There are a wide variety of different natural fibers which can be applied as reinforcement or fillers, showing potential as a replacement for inorganic fibers in automotive components. The fact that plastics are often economical to produce implies an advantage especially in very complex shapes, make them promising for obtaining composite materials, achieving short demolding times, as no chemical reaction is required. Moreover, polymers are used increasingly for stressed tribological components, whereby plastic parts replace metallic bearings, gear wheels or sliding elements. In this regard, the objective of this work was to produce composite materials based on natural fibers and to characterize the influence of the addition of different amounts of filler. To do so, composites of high-density polyethylene (HDPE) and peanut shells (PS), at different proportions (2, 4 6, 8 and 10% wt.), were prepared. The composites were produced by injection molding and molded into a particular tension test simple mold. Although the FTIR presented an increment on the O-H vibration and a band around 1600 cm-1, the HDPE structure did not present modification. The mechanical properties of the HDPE were affected with the inclusion of the fibers. The tensile performance of the HDPE decrease with the increment of the fibers inclusion whiles the elastic modulus increases. The sample with 2% of natural fibers presented the lowest wear rate (k) and coefficient of friction (µ).


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Tribo-mechanical behavior of HDPE/Natural fibers filler composite materials

  • J.F. Louvier-Hernández (a1), E. García-Bustos (a2), C. Hernández-Navarro (a1), G. Mendoza-Leal (a1), L.A. Alcaraz-Caracheo (a1), J. Navarrete-Damián (a3) and F.J. García-Rodríguez (a1)...


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