Identification of Fibre Degradation due to Friction during the Weaving Process

Abstract:

In order to be able to properly evaluate the in-use mechanical properties of high performance composite materials, it is useful to identify all the critical operations of the forming process which can degrade the row materials (i.e. the yarns for continuous fibre reinforcements). Those degradations begin during the weaving process which is the main topic of the present paper. The weaving operation has been proved to be particularly critical, especially when the weaving parameters are not correctly tuned. For glass fibre reinforcements, the travel followed by both the warp and weft yarns inside the weaving loom is observed and several zones are identified as particularly critical: the contact between warp yarns and heddles, between yarns and the beater, between yarns … For each zone, the loading has been reproduced in laboratory devices in order to quantify its effect on the final resistance of the yarn. In parallel, the friction parameters have been measured for several friction configurations: friction between yarns in several directions, friction between yarns and various metallic parts of the loom. The objective is the identification of a forming window in terms of yarn tension, the shed opening, the beater for… This work is realised with the financial support of the French National Agency for Research (ANR) in the framework of project ANR- 09-MAPR-0018 (NUMTISS)

• Periodical: Key Engineering Materials (Volumes 554-557)
• Pages: 416-422
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.554-557.416
• Online since: June 2013
• Authors: Charlotte Florimond, Hossein Ramezani-Dana, Emmanuelle Vidal-Sallé
• Keywords: Composite, Friction, Wear, Weaving Process

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