Journal of Textile Research ›› 2018, Vol. 39 ›› Issue (10): 58-62.doi: 10.13475/j.fzxb.20180101706

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Study on stab-resistant performance of shear thickening fluids impregnated ultra-high-molecular-weight polyethylene fabric

  

  • Received:2018-01-06 Revised:2018-07-13 Online:2018-10-15 Published:2018-10-17

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Abstract:

In order to enhance the stab resistant performance of the ultra-high-molecular-weight polyethylene (UHMWPE) fabric, the shear thickening fluids (STF) were used to impregnate the fabric to make the flexible liquid body armor. The stab resistant performances of fabrics with different yarn density and the STF impregnated fabrics were investigated by drop test. The rheological behaviors of shear thickening fluids with different mass fraction and the yarn pull-out the impregnated fabric were studied. The reinforcement mechanism of the composite was discussed in detail. The experiment results show that the shear thickening effect increase with increasing mass fraction of dispersion phase. The yarn pull-out force of impregnated fabrics is increased by 3.1 times. The shear thickening fluid impregnated fabrics bave better protective performance. The friction force is significantly dnhanced due to the presence of STF. STF effectively decreases the yarn mobility. The stab-resistance of UHMWPE fabric is significantly enhanced.

Key words: ultra-high-molecular-weight polyethylene fabric, shear thickening fluid, stab resistant performance, protective mechanism

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