Communication Dans Un Congrès Année : 2017

Development of a thermocompression manufacturing process adapted to flax-Epoxy laminated composites

Résumé

This study focuses on the optimization of a manufacturing process adapted to flax fibers based composites in which the components are controlled. Twelve plies unidirectional composites samples were prepared by thermocompression using unidirectional flax fibers and fluid epoxyamine resin. Temperature cycle was chosen to limit fibers degradation during fabrication. Different parameters have been studied to evaluate their influence on the mechanical properties of composites. 0° tensile specimens were tested at a 1mm/min crosshead speed. Measures were performed with a 50mm gauge length extensometer and a 100kN load cell. Furthermore, DSC analyses were performed to obtain information about cross-linking of the matrix. Properties are in accordance with the literature. Using 3bar pressure, fiber content was found to be around 46% (in volume). The density of the composite was measured using Archimedes' principle and was valued to 1.28 when the fibers' one was 1.45.

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hal-02898926 , version 1 (08-10-2020)

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Thomas Cadu, Laëtitia van Schoors, Olivier Sicot, Sandrine Moscardelli, Loïc Divet, et al.. Development of a thermocompression manufacturing process adapted to flax-Epoxy laminated composites. Second International Conference on Bio-based Building Materials and first conference on Ecological valorisation fo Granular and Fibrous materials (ECOGRAFI), Jun 2017, Clermont-Ferrand, France. pp. 458-462, ⟨10.26168/icbbm2017.70⟩. ⟨hal-02898926⟩
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