Journal
TEXTILE RESEARCH JOURNAL
Volume 86, Issue 19, Pages 2056-2066Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0040517515619357
Keywords
fabric sett; p-aramid; ultra-high molecular weight polyethylene; shear thickening fluid; yarn pull-out
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Funding
- Terminal Ballistic Research Laboratory (TBRL), Chandigarh, India [TBRL/CARS/61/2014]
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Yarn pull-out is one of the major modes of fabric failure during an event of impact. In this article, the effects of weave and fabric sett on yarn pull-out force have been investigated for untreated and shear thickening fluid (STF) treated p-aramid fabrics. Further, the effect of different fluid treatments on yarn pull-out behavior has been analyzed using p-aramid and ultra-high molecular weight polyethylene (UHMWPE) fabrics. For all levels of fabric sett, plain woven fabrics exhibited higher yarn pull-out force compared to twill, matt and satin weaves. STF impregnation increased the yarn pull-out force considerably for p-aramid and UHMWPE fabrics and this was found for all the weaves in the case of the former. However, increase in fabric sett beyond a threshold level caused yarn breakage before yarn pull-out in case of STF-treated plain woven p-aramid fabrics. Yarn pull-out force was found to have good association with the energy absorption by the high-performance fabrics during low-velocity impact (6 m s(-1)). The normalized yarn pull-out force was higher for two consecutive yarns than for two yarns with a single gap.
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