纺织学报 ›› 2014, Vol. 35 ›› Issue (5): 30-0.

• 纺织工程 • 上一篇    下一篇

常用高性能纱线弯曲刚度的测量和表征

王震 姜亚明 刘良森 蔡甜甜   

  1. 天津工业大学复合材料研究所
  • 收稿日期:2013-06-06 修回日期:2014-02-12 出版日期:2014-05-15 发布日期:2014-05-09

Measurement and characterization of bending rigidity of common high-performance yarns

  • Received:2013-06-06 Revised:2014-02-12 Online:2014-05-15 Published:2014-05-09

摘要: 由于轴向织物增强薄壳体复合材料越来越成为研究的热点课题。衬纱是轴向织物的重要组成部分,弯曲变形是织物变形的主要形式,因此,衬纱的弯曲刚度对织物的三维成型性能有着重要影响。本文借助KES织物风格仪,通过测量最大弯矩值M_max和拟合斜率值s,表征四种常用高性能纱线的弯曲刚度。实验结果表明:在相同线密度下,高性能纱线的弯曲刚度大于传统纱线的弯曲刚度,四种高性能纱线的弯曲刚度由大到小依次是碳纱线、玻璃纱线、高强聚乙烯纱线、芳纶纱线;高性能纱线的弯曲刚度受纱线中单丝的排列、聚集状态影响,并且随着进入角度的增加而减小。

关键词: 高性能纱线, 弯曲刚度, 轴向织物, KES织物风格仪

Abstract: In recent years, due to the development of technical textiles, Thin-shell composites reinforced by directionally oriented fabrics have increasingly become a hot research topic. Inserting yarn is key component of directionally oriented fabrics, and bending deformation is the primary form in the deformation of fabrics. Therefore, the bending rigidity of inserting yarn make a large difference in conformation of directionally oriented fabrics. With the help of KES fabric style instrument, the maximum bending moment (M_max) and the fitting slope (s) are measured, which is used to characterize the bending rigidity of four commonly used high-performance yarns. The experimental results indicate: under the same Fineness, the bending rigidity of high-performance yarns is greater than that of traditional yarns, as for the four high-performance yarns in the experiment, the rank of the bending rigidity is Carbon yarn, Glass yarn, UHMWPE yarn and Kevlar yarn in descending order; the rigidity of the high-performance yarns is affected by arrangement and aggregation of filament, and decreased as the enter angle increased.

Key words: high-performance yarn, bending rigidity, axial fabric, KES-F hand tester

中图分类号: 

  • TS 131.9
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