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Parametric analysis of single-cycle elongation deformation indicators of two-layer knitted fabrics

Field of Science:Engineering
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O_TJ.2025.01.10_97f14e54.pdf

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“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

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ARTICLE ANNOTATION

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In this article, due to the effective use of the technological capabilities of the LONG XING class 10 flat knitting machine with an electronic control system, samples of fabrics from PAN yarn with a structural linear density of 32x2 tex were obtained, and two-layer knitted fabrics in 4 new variants of the knitted fabric structure were obtained. The elongation deformation per one cycle and quality indicators were investigated, the effect of changing the fabric structure on the deformation properties was studied. The shape-retaining properties of these new two-layer knitted fabrics, as well as their mechanical properties, and the effect of the strength indicator on the shape-retaining properties were analyzed. When analyzing the total deformation of the new structured fabrics, the value of residual deformation by tensile deformation was determined and the conformity of the variation coefficient and the square of unevenness of random values of the indicators obtained during longitudinal and transverse one-cycle elongation deformation of fabric variants to the law of normal distribution was checked, and the reliability levels of the experimental results obtained were compared according to the Fisher criterion. When developing outerwear from two-layer knitted fabrics, their form and stable properties were analyzed according to the indicators of elastic, flexible and plastic deformation, the dispersion of experimental results was studied, as well as the dependence of the form and stable properties on changes in their texture.

AUTHORS

D.Ubaydullayeva

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Tags

# Fisher criterion# two-layer knitted fabric# single-cycle stretching deformation# shape retention property# elastic deformation# flexible deformation# plastic deformation# fabric structure

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Article Identifiers

ROI:

https://eroi.uz/11.100/A026-968368

DOI:

Not Available

References

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D.Ubaydullayva, Sh.Shumkarova, A.Gafurova, R.Begmanov, M.Axmedova, M.Abdurakimova // Study of the physical properties of footer khnitting// ISSN:1624-1940. DOI 10.6084/m9.figshare.2632574. cahiers magellanes-ns. Volume 06 Issue 2024 http://magellanes.com/

D.H.Ubaydullayeva, M.F.Axmedova, N.Ortikova Izuchenie deformasionnix xarakteristik dvuxsloynogo trikotajnogo perepletenie. “Ensuring seismic safety and seismic stability of buildings and structures, applied problems of mechanics” dedicated to the 90 th anniversary of Academician T.R.Rashidov. Tashkent, may 27-29.2024. 234-239 str. https://pmjournal.uz/archive

D.H.Ubaydullayeva, E.T.Laysheva, M.F.Ahmedova, F.A.Maxammadova Ikki qavatli trikotaj to‘qimalarining mustahkamlik ko‘rsatkichini dispersiyalari bo‘yicha baholash. Journal of Engineering, Mechanics and Modern Architecture Vol.3,No.12,2024.ISSN:2181-384. https://jemma.innovascience.uz/index.php/jemma/article/view/688/569