Abstract
At room condition and standard strain rate, unidirectional glass fiber reinforced organic polymers show linear behavior under longitudinal loading (the same with carbon fiber). Oppositely, plant-based reinforced organic polymers show often nonlinear behavior. We describe a viscoelastoplastic model based on eight independent parameters dedicated to simulation of plant fiber composite mechanical behavior. This model has been previously validated with flax twisted yarn/epoxy composite at room condition. We analyse now an unidirectional flax/epoxy composite at different strain rates to promote a mechanical behaviour with ‘three apparent regions’ visible in case of longitudinal loading. We show that adding of a strengthening phenomenon is a good solution to improve phenomenological model of plant fibre composite.
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China Scholarship Council (CSC) is acknowledged for the financial support.
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Poilâne, C., Gehring, F., Yang, H., Richard, F. (2018). About Nonlinear Behavior of Unidirectional Plant Fibre Composite. In: Fangueiro, R., Rana, S. (eds) Advances in Natural Fibre Composites. Springer, Cham. https://doi.org/10.1007/978-3-319-64641-1_7
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DOI: https://doi.org/10.1007/978-3-319-64641-1_7
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