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Apport des mesures de champ dans l'étude de composites renforcés en fibres de lin au cours d'essais de traction quasi-statiques

Abstract : This work is based on the study of the behaviour of flax fibres twill reinforced epoxy composites. The aim of the study is to determine the modulus of elasticity, Poisson coefficients and strength of these composites materials with image correlation. The specimens used in this work were manufactured by the infusion vacuum process and after subjected to quasi-static tensile tests. Two numeric cameras were disposed perpendicular to the front and to the side of the specimen so as to achieve a sequence of visible digital pictures during the test. The recorded pictures were analysed with the image correlation software 7D in order to calculate ad hoc measurements of displacements and strain fields. To check the validity of the results, measurements were compared to those obtained by classical extensometry. We found that, despite the low levels of strains, results of identifications from optical extensometry were very promising.
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http://hal.univ-smb.fr/hal-02016464
Contributor : Amélie Cuynet <>
Submitted on : Tuesday, February 12, 2019 - 4:47:04 PM
Last modification on : Friday, December 13, 2019 - 1:52:01 PM
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  • HAL Id : hal-02016464, version 1
  • ARXIV : 1902.05417

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Amélie Cuynet, Franck Toussaint, Emile Roux, Daniel Scida, Rezak Ayad. Apport des mesures de champ dans l'étude de composites renforcés en fibres de lin au cours d'essais de traction quasi-statiques. 1ère Conférence EuroMaghrébine des BioComposites, Mar 2016, Marrakech, Maroc. ⟨hal-02016464⟩

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