Damien Soulat

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Among the manufacturing processes, Liquid Composites Moulding are undoubtedly among the most interesting for the obtaining of a composite part. It offers several advantages like reduced solvent emissions, part quality, and process repeatability [1]. Furthermore, forming processes have shown their efficiency for the manufacturing of metallic materials for(More)
In order to understand the mechanisms involved in the forming step of LCM processes and provide validation data to numerical models, a specific experimental device has been designed in collaboration between PRISME Institute and EADS. This toot also makes it possible to test the feasibility to obtain specific double curved shape constituted with dry fabric(More)
The quality of fibrous reinforcements used in composite materials can be monitored during the weaving process. Fibrous sensors previously developed in our laboratory, based on PEDOT:PSS, have been adapted so as to directly measure the mechanical stress on fabrics under static or dynamic conditions. The objective of our research has been to develop new(More)
A flax fibre plain weave fabric has been used to form a complex tetrahedron shape. The global shape has been obtained. Even if no apparent defects are visible when observing the yarns, the strain of the tightest yarns of the preform has been measured and compared to the biaxial strains of the fabric determined independently of the process. The results show(More)
This paper presents one of the first experimental investigations on dry woven preform made of flax yarns with the view to analyze the formability of these reinforcements made of natural fibre. The specific preforming device is presented. It is constituted by a mechanical module designed to form severe geometries such as strongly double curved shapes. It is(More)
This study concerns the investigation of a biocomposite solution made with flax fibres to reduce the weight of structural parts used in medical environment. Besides the mechanical specifications, this composite solution is requested to particular environmental conditions, and distinctively its response to some specific cleaning solutions (Surfanios and(More)
This workk concerns the manufacturing of a composite tube using RTM process. During the preforming stage, a woven braid is laid down and stacked on a mandrel so that reinforcement plies form conical shapes with a defined angle. An innovative experimental preforming procedure has been developed to respect the specific angle. The resin injection step has been(More)