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Article Dans Une Revue Industrial Crops and Products Année : 2020

Investigation of the date palm fiber for green composites reinforcement: Quasi-static and fatigue characterization of the fiber

Abderrezak Bezazi
  • Fonction : Auteur
Salah Amroune
Fabrizio Scarpa
  • Fonction : Auteur
Abdellatif Imad
  • Fonction : Auteur

Résumé

This work describes the quasi-static tensile behavior and cyclic fatigue of technical fibers from date palm tested for the first time according to the authors' knowledge, which can be used in the reinforcement of green composites.The values of the stress and strain at failure and Young's modulus for18 samples tested under quasi-static tensile loading are compared with results reported in the literature for other fibers. Cyclic fatigue tests were performed at a frequency of 2 Hz under sinusoidal solicitation for different loading levels ranging from 0.6 to 0.95 corresponding to maximum recorded forces of 15.36 and 39.82 N, respectively. The evolution of the force as a function of the number of cycles was recorded. This allows us to follow the stiffness degradation. The load-displacement hysteresis curves show the influence of the number of cycles and the loading level on the size and shape of the hysteresis loops, allowing the calculation of the dissipated energy per cycle for the technical fibers.
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Dates et versions

hal-04104436 , version 1 (24-05-2023)

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Citer

Abderrezak Bezazi, Salah Amroune, Fabrizio Scarpa, Alain Dufresne, Abdellatif Imad. Investigation of the date palm fiber for green composites reinforcement: Quasi-static and fatigue characterization of the fiber. Industrial Crops and Products, 2020, 146, pp.112135. ⟨10.1016/j.indcrop.2020.112135⟩. ⟨hal-04104436⟩

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