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Estimating the deflection of weft yarn in plain woven fabric using yarn pull out test

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Title Statement Estimating the deflection of weft yarn in plain woven fabric using yarn pull out test
 
Added Entry - Uncontrolled Name Ghane, Mohammad ; Department of Textile Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
Zarezadeh Lari, Vahid ; Department of Textile Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
 
Uncontrolled Index Term Elastic beam; Fabric rigidity; Plain woven fabric; Pullout force; Weft deflection; Weft density
 
Summary, etc. <p style="text-align: justify;">A simple and practical model has been proposed to calculate the deflection of weft in a plain woven fabric using yarn pull out test. In this modeling, the weft yarn is considered as an elastic beam, which is fixed supported at ends, and deflected at the middle by the normal load applied by the warp. The case of small deflection is adopted to calculate the maximum deflection of weft yarn and to study the shape and geometry of the bent weft. The normal load is estimated from pullout test. Bending rigidity of the weft yarn is calculated from the relation between the bending rigidities of fabric and thread. Five different weft densities have been studied. The shape of actual weft has been studied by microscopic photography from the lateral section of the fabric, and compared to the theoretical deflection curve of weft based on small deflection modeling. The results show that the actual and theoretical curves are reasonably close to each other. The maximum deflection of the weft yarn increases as the weft density (picks/cm) increases. This may be due to the increase in normal load in higher densities of the weft yarns. The results also show that the deviation of theoretical curve from the actual curve increases with the decrease in weft density.</p>
 
Publication, Distribution, Etc. Indian Journal of Fibre & Textile Research (IJFTR)
2015-01-09 11:10:04
 
Electronic Location and Access application/pdf
http://op.niscair.res.in/index.php/IJFTR/article/view/2745
 
Data Source Entry Indian Journal of Fibre & Textile Research (IJFTR); ##issue.vol## 39, ##issue.no## 4 (2014): Indian Journal of Fibre & Textile Research
 
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