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Chapitre d'ouvrage

Flexural Fatigue of Bio-Based Composites

Abstract : The paper presents an investigation of the mechanical fatigue behavior of a bio-based composite with an interleaved natural viscoelastic layer. The material used is a unidirectional laminate with different orientations. It is composed of a GreenPoxy resin reinforced with long flax fibers. A viscoelastic layer made of natural rubber has been introduced at the middle layer of the laminate. Different configurations of unidirectional specimens were tested in static tests. The mechanical properties such as the characteristics at failure of the structures with and without natural rubber were determined and compared. The effect of the insertion of the viscoelastic layer in the studied composite on the stiffness, hysteresis loops and loss factors were investigated during cyclic fatigue tests. A comparison of the fatigue behavior of the composite with and without viscoelastic layer was made. The results show that the composite with an interleaved natural viscoelastic layer presents an interesting damping properties considering the high values of the loss factors obtained from cyclic fatigue tests.
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Chapitre d'ouvrage
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https://hal-univ-lemans.archives-ouvertes.fr/hal-02996962
Contributeur : Jean-Luc Rebiere <>
Soumis le : lundi 9 novembre 2020 - 19:28:58
Dernière modification le : vendredi 5 février 2021 - 14:58:01

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Hajer Daoud, Abderrahim El Mahi, Jean-Luc Rebiere, Mohamed Taktak, Mohamed Haddar. Flexural Fatigue of Bio-Based Composites. Design and Modeling of Mechanical Systems—III, pp.383-391, 2018, ⟨10.1007/978-3-319-66697-6_38⟩. ⟨hal-02996962⟩

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