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A multiscale approach and microstructure design of the elastic composite behavior reinforced with natural particles

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2014
auteur(s) El Moumen Ahmed; Imad Abdellatif; Kanit Toufik; Hilali E.; El Minor H.
journal (abréviation) Composites Part B: Engineering (Compos B Eng)
volume (numéro) 66
pages 247 – 254
résumé The morphology characterization and computational methods favored numerical simulation and design of microstructures. Indeed, the multiscale approaches enable us to determine the elastic properties of materials. In this paper, the objective is to develop a three-dimensional microstructure of biocomposites containing natural particles. The biocomposite is made of Polypropylene matrix mixed with natural fillers. The image is obtained using the microscope. We describe a serial sectioning process and finite element simulations to reproduce, visualize and model these microstructures. Statistical methods are introduced to study the representativity of specimen. The statistical representative volume element is introduced to determine the minimum volume which provides the representativeness. This statistical volume is compared with experimental and numerical ones.
mots clés A. Particle-reinforcement; B. Computational modeling; C. Micro-mechanics; C. Statistical methods
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