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DEVELOPMENT OF A THERMOCOMPRESSION MANUFACTURING PROCESS ADAPTED TO FLAX-EPOXY LAMINATED COMPOSITES



Author(s): T. Cadu1, L. Van Schoors, O. Sicot, S. Moscardelli, L. Divet
E. Keita, and S. Fontaine
Paper category: Proceedings
Book title: Proceedings of the 2nd International Conference
on Bio-Based Building Materials
Editor(s): Sofiane AMZIANE, Mohammed SONEBI and Karine CHARLET
ISBN:
e-ISBN: 978-2-35158-192-6
Publisher: RILEM Publications SARL
Publication year: 2017
Pages: 469-473
Total Pages: 4
Language : English


Abstract: 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 epoxy-
amine 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.


Online publication :2017
Publication type :full_text
Public price (Euros) : 0.00


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