Study of fatigue behavior of plant fiber reinforced composites : taking into account the variability of properties
type: Distribution
access URL: https://theses.hal.science/tel-00841850
format: HTML
issued: 2026-05-10T10:37:40.215409
modified: 2026-05-10T10:37:40.157123

test_moissonnage_selune
type: Agent

Study of fatigue behavior of plant fiber reinforced composites : taking into account the variability of properties
type: Dataset
contact point: Organization
  fn: CCSD
keyword: natural-fibres
keyword: static
keyword: endommagement
keyword: elements-finis
keyword: monte-carlo
keyword: damage
keyword: theses
keyword: densite-de-fissures
keyword: spiotherengineering-sciences-physicsother
keyword: bio-composite
keyword: infoeu-reposemanticsdoctoralthesis
keyword: flax
keyword: s-n
keyword: statique
keyword: finis-elements
keyword: lin
keyword: crack-density
keyword: fatigue
keyword: fibres-naturelles
landing page: https://theses.hal.science/tel-00841850
description: The present study focuses on the characterization and comparison of the quasi-static and fatigue properties of flax and glass fibre reinforced composites with an epoxy matrix. An extensive experimental campaign of fatigue tests have been performed using the measured quasi-static tension and in plane-shear properties. It appears that the static and fatigue characteristics of the glass/epoxy composites are higher than that of flax/epoxy ones with similar fibre volume fraction and lay-ups. However, due to the low density of flax reinforcements, the differences between the specific properties of the two materials are low. The measurement of the evolution of the fatigue properties has highlighted particular phenomenological behaviours such as the decrease of the damping and the increase of the stiffness of flax/epoxy composites having fibres parallel to the loading direction, during specimens’ life. The monitoring of material damage by measuring the crack density showed its increase with the loading level and the number of cycles applied. Finite elements simulations of the life cycle of flax/epoxy composites, incorporating the variability of the model’s parameters by Monte Carlo method, gave conservative Wöhler curves compared with experimental data. In agreement with the experimental measurements, the variability of lifetimes calculated decreases when the load decreases
identifier: NNT: 2012DIJOS044
issued: 2026-05-10T10:37:40.178574
language: fr
modified: 2026-05-10T10:37:40.178579