Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (01): 67-72.doi: 10.13475/j.fzxb.20200303806

• Textile Engineering • Previous Articles     Next Articles

Research on inter-yarn friction of aramid fabric based on adjustable tension device

CHEN Jieru1, QIU Shiyuan1, YANG Qingqing1, ZHOU Yi1,2()   

  1. 1. College of Textile Science and Engineering, Wuhan Textile University, Wuhan, Hubei 430200, China
    2. Key Laboratory of Textile Fiber & Product, Ministry of Education, Wuhan Textile University, Wuhan, Hubei 430200, China
  • Received:2020-03-16 Revised:2020-09-30 Online:2021-01-15 Published:2021-01-21
  • Contact: ZHOU Yi E-mail:yi.zhou@wtu.edu.cn

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Abstract:

In order to simulate the inter-yarn friction in aramid fabrics under impact loading and to construct a model for predicting the inter-yarn friction under different fabric specifications and pre-tension levels, a fixture with adjustable transverse pre-tension for yarn-pulling experiment was created. The yarn pulling-out experiments were carried out using different widths of warp yarns or weft yarns and pre-tension as variables. The test results show that there is a positive correlation between the transverse pre-tension applied to the fabric and the inter-yarn friction. When the pre-tension increases, the influence of the warp width of the fabric on the inter-yarn friction increases gradually, and the inter-yarn resistance gradually decrease as sample warp width increases. The effect of pre-tension on inter-yarn friction is more prominent than that of the sample warp width.

Key words: pre-tension, inter-yarn friction, single yarn-pulling, semi-empirical model formula, aramid fabric, bulletproof vest

CLC Number: 

  • TB334

Fig.1

Fabric fixture drawing with adjustable transverse pretension"

Fig.2

Relationship between interleaving resistance,transverse tension and longitudinal displacement of pulled yarn"

Tab.1

Maximum value of fabric (13 cm×12 cm) under different pre-tension"

预加张力/N 交织阻力/N 差值(最终值-
初始值)/N
最大值 最小值
100 102.9 99.8 -0.2
200 208.3 198.4 -1.6
300 308.6 298.3 -1.7
400 410.5 398.6 -1.4

Fig.3

Resistance-displacement curve of 8 cm×8 cm plain woven fabric in drawing test"

Fig.4

Schematic diagram of capstan equation"

Fig.5

Interleaving resistance curves of fabrics with different widths of warp yarns under 400 N pre-tension"

Fig.6

Contrast figure of maximum interleaving resistance of fabrics with different widths of warp yarns under different pre-tension"

Fig.7

Interlacing resistance curves with fabrics with different widths of weft yarns under 300 N pre-tension"

Fig.8

Contrast diagram of maximum interleaving resistance of fabric with different of weft yarns widths and different preadded tension"

Fig.9

Fitting diagram of interlacing resistance"

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