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SIMULATION OF TENSILE BEHAVIOUR OF MULBERRY

机译：桑树拉伸行为的模拟

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摘要

Mulberry silk warp yarns were subjected to cyclic loading on tensile testing instrument by simulating the conditions of weaving. Minimum and maximum load for these cyclic loadings were selected based on the theoretical base tension on the warp yarns and maximum tension at beat-up process. The speed of cyclic loading was adjusted to match with the speed of the conventional power loom. The stress-strain curves of the yarns were investigated and the deformation behaviour was analysed with respect to yield point, maximum load, elongation and energy. The behaviour of silk warp yarn to fatigue developed during weaving due to its tensile deformation was studied at the fabric formation stage. All the three warp yarns showed significant deformation during weaving. Keywords : Cyclic loading, elongation, load extension curves, strain hardening, tenacity, warp tension, yield point
机译：通过模拟织造条件，将桑蚕丝经纱在拉伸试验仪上承受循环载荷。根据经纱的理论基础张力和打纬过程中的最大张力，选择这些循环载荷的最小和最大载荷。调整周期性加载的速度以使其与常规动力织机的速度相匹配。研究了纱线的应力-应变曲线，并就屈服点，最大载荷，伸长率和能量分析了变形行为。在织物形成阶段研究了经纱由于拉伸变形而在编织过程中产生的疲劳行为。三根经纱在编织过程中均显示出明显的变形。关键词：循环载荷，伸长率，载荷延伸曲线，应变硬化，韧性，翘曲张力，屈服点

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  • 来源
    《Textile Trends》 |2019年第10期|31-34|共4页
  • 作者

    Subrata Das;

  • 作者单位

    Department of Fashion Technology, Bannari Amman Institute of Technology, Sathyamangalam, Erode District, Tamil Nadu-638401, India;

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