In this section, you can access to the latest technical information related to the FUTURE project topic.

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

Publication date: February 2016
Source:Composites Part A: Applied Science and Manufacturing, Volume 81

Author(s): C. Tephany, J. Gillibert, P. Ouagne, G. Hivet, S. Allaoui, D. Soulat

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.





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