Journal of Textile Research ›› 2018, Vol. 39 ›› Issue (11): 38-44.doi: 10.13475/j.fzxb.20171202207

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Influence of leno structure on yarn gripping behaviour of aramid plain weave

  

  • Received:2017-12-11 Revised:2018-08-10 Online:2018-11-15 Published:2018-11-19

Abstract:

In order to increase the gripping force of aramid woven fabric, leno structure is incorporated into the plain weave, aiming to improve the resistance of the weft yarns against lateral pull-out force. It is been found from the quasi-static yarn pull-out test that in un-crimping zone, the peak load force is closely associated with crimp interchange between the weft and warp yarns. In stick-slip zone, the force-displacement curve exhibits a decaying oscillation trend. The results also show that the pull-out force is in linear relationship with the number of yarns pulled. Double, triple and quadruple yarn pull-out test give an increase of 160%、289% and 389% in peak load force, compared with single yarn pull-out test. The combination of leno structure with plain weave effectively improves the gripping capability of the fabric. Single yarn pull-out test shows that an increase of about 20% in peak load force can be achieved, and the value is 65% for multiple yarn pull-out tests.

Key words: auamid woven fabric, plain structure, leno structure, peak load force, gripping behaviour

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