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Communication Dans Un Congrès Année : 2018

Damage characterization of flax fibre composite using Linear and nonlinear vibration resonant techniques

Mondher Haggui
Zouhaier Jendli
Alia Akrout
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  • PersonId : 1129214
Mohamed Haddar
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Résumé

Through the last decade, the use of vibration analysis, as a non-destructive test has become a major issue to identify the mechanical behaviour of composite. Indeed, these experimental methods lead to evaluate both the stiffness of the structure and its damping behaviour, as well as the viscoelasticity behaviour [1]. Generally, mechanical testing applied on composite material induces many damage mechanisms such as matrix micro-cracking, fibre/matrix debonding, delamination and fibre breakage [2]. In this context, Hammami et al [3] have studied the effect of delamination on the linear and nonlinear behaviour of glass fibres composite. They found that the natural frequencies decreases and the loss factor increases with the debonding length. Idriss et al [1] have studied the vibration behaviour of laminate composite, which were subjected to cyclic loading. The results have shown that the rigidity loss causes the decreasing of frequency and the increasing of loss factor. In the present study, linear and nonlinear dynamic tests, applied on flax fibres composite laminates, were carried on to investigate the effect of damage on the vibration behaviour. The damage was created by tensile tests for different strength thresholds, which are function of the ultimate tensile strength UTS.
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hal-04445844 , version 1 (08-02-2024)

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  • HAL Id : hal-04445844 , version 1

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Mondher Haggui, Abderrahim El Mahi, Zouhaier Jendli, Alia Akrout, Mohamed Haddar. Damage characterization of flax fibre composite using Linear and nonlinear vibration resonant techniques. 26th Annual International Conference on Composites or Nano Engineering, ICCE-26, Jul 2018, Paris, France. ⟨hal-04445844⟩
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