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Development of an experimental bench to reproduce the tow buckling defect appearing during the complex shape forming of structural flax based woven composite reinforcements

Tephany, Christophe and Gillibert, Jean and Ouagne, Pierre and Hivet, Gilles and Allaoui, Samir and Soulat, Damien Development of an experimental bench to reproduce the tow buckling defect appearing during the complex shape forming of structural flax based woven composite reinforcements. (2016) Composites Part A: Applied Science and Manufacturing, 81. 22-33. ISSN 1359-835X

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Official URL: https://doi.org/10.1016/j.compositesa.2015.10.011

Abstract

This work investigates the tow buckling defect that may take place during the forming of complex shapes. The defect is studied independently of the process with a device specially designed. A specific instrumentation was associated to the device. Structure light interferometry was chosen to measure the elevation of the tows exhibiting the buckling defect all along its growth. The device and its instrumentation were validated in this work and a preliminary study was performed to investigate the origin of the tow buckle’s appearance and its growth kinematic. The growth kinematic of the buckle’s appearance consisting on a double simultaneous rotation of the tow exhibiting the buckle around the Z and the Y axis was established. It was shown that the in-plane bending of the tow is a key parameter that can probably be considered as a preliminary criterion that conditions the appearance and the growth of the tow buckling defect.

Item Type:Article
HAL Id:hal-02135760
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Ecole Nationale Supérieure des Arts et Industries Textiles - ENSAIT (FRANCE)
Other partners > Université d'Orléans (FRANCE)
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Deposited On:26 Apr 2019 07:26

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