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Predicting Specific Stress of Cotton Staple Ring Spun Yarns: Experimental and Theoretical Results

Research and development

Authors:

  • Zubair Muhammad
    Department of Textile Technology, Faculty of Textile Science, Technical University of Liberec, Liberec, Czech Republic
  • Neckář T. Bohuslav (j/w)
  • Malik Zilfiqar Ali
    Department of Yarn Manufacturing, Faculty of Textile, National Textile University Faisalabad, Faisalabad, Pakistan

Nr DOI: 10.5604/12303666.1228166

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Abstract:

The aim of this research is to predict the yarn specific stress from fiber specific stress and fiber stress utilisation. In this paper a new approach is introduced to predict the specific stress-strain curves of cotton carded and combed yarns. The force on single fiberis worked out and these fiber forces are combined together to obtain forces acting on yarn. The theoretical model introduces the utilisation of fiber stress on the basis of the fiber specific stress-strain curve, twist angle, fiber directional distribution parameter C and contraction ratio. A comparison of experimental results suggests that the specific stress-strain curves predicted have reasonable agreement with the experimental yarn specific stress-strain curves for all types of yarns. Thus this model is valid to predict the specific stress-strain curves for carded and combed cotton ring spun yarns.

Tags:

fiber stress utilisation, yarn specific stress, fiber specific stress, carded and combed cotton yarns.

Citation:

Zubair M, Neckář B, Malik ZA. Predicting Specific Stress of Cotton Staple Ring Spun Yarns: Experimental and Theoretical Results. FIBRES & TEXTILES in Eastern Europe 2017; 25, 2(122): 43-47. DOI: 10.5604/12303666.1228166

Published in issue no 2 (122) / 2017, pages 43–47.

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