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Systèmes époxyde : cuisson hors autoclave et basse température

Abstract : The main issues concerning composite part manufacturing (cost, manufacturing time, mechanical performances, etc.) are closely linked to the means of curing, mainly autoclaves; which do not only generate very high installation and maintenance costs, but also limit production rates because of the length of the cycles. In order to reduce this dependence, non-autoclave manufacturing processes have been envisaged (Quickstep, Roctool, VARTM, VBO ...) therefore leading to modifications in the design of the materials intended for these processes (including kinetics, rheology, fiber impregnation methods). In order to limit the changes in terms of manufacturing process, raw materials, environment products and implementation conditions, this study is based on the Vacuum Bag Only process. Several semi-product developments in recent years have made it possible to increase the robustness of this manufacturing process, thereby overcoming the lack of external pressure during an oven cure. However, the viability of these products in relation to their implementation still needs to be demonstrated, as well as the understanding of the air removal mechanisms and the estimation of the achievable mechanical properties compared to their autoclave counterpart.
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Submitted on : Monday, February 18, 2019 - 10:39:06 AM
Last modification on : Saturday, August 15, 2020 - 4:40:07 AM
Long-term archiving on: : Sunday, May 19, 2019 - 4:04:45 PM


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  • HAL Id : tel-02022677, version 1


Léonard Serrano. Systèmes époxyde : cuisson hors autoclave et basse température. Mécanique des matériaux [physics.class-ph]. Université Paul Sabatier - Toulouse III, 2018. Français. ⟨NNT : 2018TOU30007⟩. ⟨tel-02022677⟩



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