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Study of the Stress Relaxation Property of Vortex Spun Yarn in Comparison with Air-jet Spun Yarn and Ring Spun Yarn

Research and development


  • Zou ZhuanYong
    College of Textiles & Fashion, Shaoxing University, Shaoxing, P. R. China
  • Zou ZhuanYong
    Key Lab of Textile Science & Technology, Ministry of Edycation, Dong Hua University, Shanghai, P. R. China

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The structure of vortex spun yarn made by the Murata vortex spinning machine is different from that of other yarns, such as ring spun yarn, air-jet spun yarn and so on. The stress relaxation model is constructed by a generalized Maxwell model connected in a row to a Hook’s spring in order to predict and analyse the stress relaxation property of vortex spun yarn. Based on the stress relaxation model, the stress relaxation properties of vortex spun yarn, ring spun yarn and air-jet spun yarn are compared and analysed. The factors influencing the stress relaxation property of vortex spun yarn, such as the tensile strain, tensile rate and yarn count are discussed. The research results show that the stress relaxation model can be used for describing the stress relaxation mechanism of vortex spun yarn. The elasticity of vortex spun yarn is better than that of air-jet spun yarn, but worse than that of ring spun yarn. When the tensile strain is lower and the tensile rate is larger, vortex spun yarn has a more obvious stress relaxation phenomenon. The stress relaxation phenomenon of finer yarn is more obvious than that of coarser yarn.


Murata vortex spinning, vortex spun yarn, stress relaxation.


Zou, Z.-Y. Study of the Stress Relaxation Property of Vortex Spun Yarn in Comparison with Air-jet Spun Yarn and Ring Spun Yarn. FIBRES & TEXTILES in Eastern Europe 2012, 20, 1(90) 28-32.

Published in issue no 1 (90) / 2012, pages 28–32.


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