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Investigating the Strain State of Fibres Located on the Helical Line in Extended Yarn

Research and development

Authors:

  • Gafurov Jahongir K.
    Department of Spinning Natural and Chemical Fibers, Tashkent Institute Textile and Light Industry, Tashkent, Uzbekistan
  • Mardonov Batir M.
    Department of Cotton Ginning, Tashkent Institute Textile and Light Industry, Tashkent, Uzbekistan
  • Peerzada Mazhar H.
    Department of Textile Engineering, Mehran University of Engineering & Technology, Jamshoro, Pakistan
  • Gafurov Kabul
    Department of Spinning Natural and Chemical Fibers, Tashkent Institute Textile and Light Industry, Tashkent, Uzbekistan

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Abstract:

In this paper, the strain state of fibres located along the helical line in an extended yarn has been investigated. The slippage and mutual displacement of fibres relative to the yarn for analysis of the strain state of fibres in extended yarn are investigated. It is proposed for expression compressive transverse stress G, in our notation, to use the equation supposed in this work. The stress strain of fibres in extended yarn is examined and a comparison of the stresses between the cross-sectional and longitudinal directions is carried out. It is found that an increase in the twist angle leads to an increase in the compressive transverse stress of fibres in the centre of the yarn. It is also noticed that the axial stress strain depends on the twist angle of the yarn. The results obtained using this relationship are similar to those presented in previous studies.

Tags:

fibre strain, fibre slippage, mutual displacement, compressive stress, axial stress, twist angle.

Citation:

Gafurov JK, Mardonov BM, Peerzada MH, Gafurov K. Investigating the Strain State of Fibres Located on the Helical Line in Extended Yarn. FIBRES & TEXTILES in Eastern Europe 2015; 23, 2(110): 19-24.

Published in issue no 2 (110) / 2015, pages 19–24.

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