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首页> 外文期刊>Indian Journal of Fibre & Textile Research >Tenacity and breaking extension of cotton covered copper open-end friction-spun yarns
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Tenacity and breaking extension of cotton covered copper open-end friction-spun yarns

机译：棉包铜开口摩擦纺纱的强度和断裂伸长率

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摘要

Dref-3 friction-spun core conductive yarns of the count 328 tex have been produced by wrapping a fibrous sheath of MCU cotton fibres around the copper filament (count 261 tex) as a core. Three different core-sheath ratios, such as 67:33, 80:20 and 90:10, have been produced by varying the draft in the second drafting unit which feeds the cotton carded slivers to cover the core component. The process parameters such as perforated drum speed and yarn delivery rate are kept constant at 4000 revolutions/min and 70 m/min respectively. The tenacity, breaking elongation, contribution of individual core and sheath components to the tensile properties and electrical properties of core conductive yarns have been studied along with the use of ANOVA multivariable analysis to analyze the interaction of core-sheath component in the breaking tenacity of conductive yarns. The characteristic tests report shows that the 67:33 core/sheath conductive yarns has the highest tenacity of 3.27cN/tex and elongation-to-break of 5.27% as compared to other core-sheath yarns studied.
机译：通过将MCU棉纤维的纤维皮包裹在作为芯线的铜丝（261特克斯）周围，制得了328 tex的Dref-3摩擦纺芯导电纱。通过改变第二牵伸装置中的牵伸，可以生产三种不同的芯鞘比率，例如67：33、80：20和90:10，该牵伸装置将棉梳棉条喂入以覆盖芯组分。诸如穿孔鼓速度和纱线输送速度之类的工艺参数分别保持恒定，分别为4000转/分钟和70 m / min。研究了韧度，断裂伸长率，单个芯和皮组分对芯导电纱的拉伸性能和电性能的影响，并使用ANOVA多变量分析来分析芯鞘组分在导电断裂强度中的相互作用。纱线。特性测试报告显示，与其他研究的芯鞘纱相比，67:33芯/鞘导电纱线的最高韧度为3.27cN / tex，断裂伸长率为5.27％。

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