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Numerical Modelling of the Transient Hygroscopic Behavior of Flax-Epoxy Composite 被引量:1
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作者 Wajdi Zouari Mustapha Assarar +2 位作者 abderrazak chilali Rezak Ayad Hocine Kebir 《Journal of Renewable Materials》 SCIE 2019年第9期839-853,共15页
This contribution deals with the development of a three-node triangular plane finite element to analyze the transient hygroscopic behavior of 2/2 twill flax fabric-reinforced epoxy composite.Several plates of this mat... This contribution deals with the development of a three-node triangular plane finite element to analyze the transient hygroscopic behavior of 2/2 twill flax fabric-reinforced epoxy composite.Several plates of this material were fabricated using the vacuum infusion process and composite specimens were then cut and aged in tap water at room temperature until saturation.To simplify,a plane modelling of water diffusion in the aged specimens is adopted and Fick’s model is used to describe the water diffusion kinetics.To highlight the heterogeneity of the flax-epoxy samples,the twill flax fabrics waviness is modelled with a sinusoidal undulation.In particular,we show that the proposed finite element formulation allows estimating the flax fiber radial diffusion coefficient by an inverse approach. 展开更多
关键词 Flax-epoxy composite water ageing fick’s model finite element analysis
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