| Issue |
E3S Web Conf.
Volume 304, 2021
2nd International Conference on Energetics, Civil and Agricultural Engineering (ICECAE 2021)
|
|
|---|---|---|
| Article Number | 03027 | |
| Number of page(s) | 7 | |
| Section | Agricultural Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202130403027 | |
| Published online | 21 September 2021 | |
Strain characteristics of cotton yarns depending on the strain rate and methods of their manufacture
1 Tashkent Institute of Textile and Light Industry, 100100 Tashkemt, Uzbekistan
2 Institute of Mechanics and Seismic Stability of Structures of the Academy of Sciences of the Republic of Uzbekistan, 100128 Tashkent, Uzbekistan
* Corresponding author: bakhodir_b@mail.ru
One of the main reasons for the nonlinearity of the tension diagrams of cotton yarns is the variability of their moduli of elasticity and plasticity under strain. The changes in strain moduli obtained from the tensile diagrams confirm this. The strain curve has ten parameters, the values of which depend on the method of yarn manufacture and the strain rate. Based on the results of processing the tension diagrams of cotton yarn, obtained by carded and combed systems by ring and rotor spinning (CD-carded ring-spun, OE-carded rotor-spun, CM-combed ring-spun), at strain rates from 0,0033 s-1 to 0,033 s-1, the values of these ten parameters were determined and analyzed. Their quantitative and qualitative dependence on the method of their manufacture and strain rate are shown.
© The Authors, published by EDP Sciences, 2021
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