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Investigation on the knittability of glass yarn

机译：玻璃丝的可编织性研究

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摘要

Knitted fabric reinforcements gain interest in the composite industry for their excellent drapability, impact resistance and net-shape manufacturability. However, little attention has been given to the fabrication damages on high-performance yarns during the knitting process, which were proved to be of strong influence on the final composite performance. In this paper, investigations were carried out on the knittability of glass yarn. By simplifying the knitting process into separate yarn-needle hook systems, designed experiments were carried out to evaluate the yarn-breaking process under tensile, bending and abrasive actions. Acoustic emission (AE) technology was used during the above tests to represent the fiber-breakage history. Together with the SEM photos and theoretical analysis, the reasons for glass filament breakage at low yarn tension were found to be the compound results of the bending stress and shear stress generated by contact stress concentration.
机译：针织织物增强材料以其出色的悬垂性，耐冲击性和网状可制造性而在复合材料行业引起关注。然而，很少有人关注针织过程中高性能纱线的制造损伤，事实证明这对最终复合材料的性能影响很大。在本文中，对玻璃丝的可编织性进行了研究。通过将编织过程简化为单独的纱线针钩系统，进行了设计实验，以评估在拉伸，弯曲和磨损作用下的断纱过程。在上述测试中使用了声发射（AE）技术来表示纤维断裂的历史。结合SEM照片和理论分析，发现在低纱线张力下玻璃丝断裂的原因是由于接触应力集中而产生的弯曲应力和剪切应力的复合结果。

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  • 来源
    《The Journal of the Textile Institute》 |2009年第5期|440-450|共11页
  • 作者

    Xiao-Ming Liu; Nan-Liang Chen; Xun-Wei Feng;

  • 作者单位

    College of Textiles, Donghua University, Shanghai, P.R. China Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai, P.R. China;

    College of Textiles, Donghua University, Shanghai, P.R. China Engineering Research Center of Technical Textiles, Ministry of Education, Donghua University, Shanghai, P.R. China;

    College of Textiles, Donghua University, Shanghai, P.R. China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    knittability; glass yarn; acoustic emission; abrasion damage; fracture theory;

    机译：可编织性玻璃丝;声发射磨损损坏;断裂理论;

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