Rapid manufacturing of woven comingled flax/polypropylene composite structures
Article dans une revue avec comité de lecture
The use of natural fibre reinforced composites such as flax fibre / polypropylene is in a constant expansion particularly in automotive and marine industries due to their good mechanical properties, low density and thus, lightness, low environmental impact, low cost, recyclability, renewable properties of flax fibres and a minimum energy intake during their process. One of the major challenges of thermoplastic composites for the automotive industry is to manufacture finished parts in a single processing step within a minimum amount of time. For this purpose, a stamping airflow device was specifically developed. It is designed to produce woven comingled composite parts from comingled woven fabrics such as flax/polypropylene in only 200 s. Firstly, preliminary tests and the optimization of processing parameters were performed. Then, a quasi-static mechanical characterization of the formed parts was realized. By using criteria based on mechanical properties, the optimal process parameters such as the level of pressure, temperature, holding time and cooling rate so that to obtain the lowest voids rate were determined. Finally, a comparison of the mechanical properties of parts obtained from using the new manufacturing process and a conventional thermocompression process is presented to demonstrate the interest and the level of performance achieved by this original and fast manufacturing device.
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Conférence invitéeDERBALI, Imed; TEREKHINA, Svetlana; GUILLAUMAT, Laurent; OUAGNE, Pierre (2016)One of the major challenges of composites based on a thermoplastic matrix is to fabricate finished parts both in a single processing step and reduced time production. For this purpose, a stamping airflow device is here ...
Flax Fibers Reinforced Thermoplastic Resin Based Biocomposites, a Future for Sustainable Composite Parts Communication avec acteGUILLAUMAT, Laurent; TEREKHINA, Svetlana; DERBALI, Imed; MONTI, Arthur; EL MAHI, Abderrahim; JENDLI, Zouhaier (EDP Sciences, 2018)One of the major challenges of thermoplastic matrix based composites is to manufacture finished parts both in one shot process and in a reduced time production. For this purpose, two techniques were developed to manufacture ...
The effect of build orientation on both flexural quasi-static and fatigue behaviours of filament deposited PA6 polymer Article dans une revue avec comité de lectureTEREKHINA, Svetlana; TARASOVA, Tatiana; EGOROV, Sergei; SKORNYAKOV, Innokentiy; GUILLAUMAT, Laurent; HATTALI, Lamine (Elsevier BV, 2020)The present paper aims to study the effect of manufacturing build orientation on both flexural quasi-static and fatigue behaviours of semi-crystalline polyamide 6 obtained by Fused Filament Fabrication (FFF), by considering ...
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Influence Of Parameters On Mechanical Properties Of Thermoplastic Polymers Obtained By Fused Filament Fabrication (FFF) Communication avec acteTEREKHINA, Svetlana; HATTALI, Lamine; GUILLAUMAT, Laurent (Chinese Society for Composite Materials, 2017)Fused filament Fabrication (FFF) is one of the typical Rapid Prototyping (RP) process that can fabricate prototypes from various model materials. To predict the mechanical behaviour of FFF parts, it is necessary to understand ...