Study on Anisotropy and Punching Yield Strength of Knitted Fabrics |
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Authors: | Wang Rongrong Catalina Rebenciuc Feng XunweiCollege of Textile Dong Hua University Shanghai PR China |
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Institution: | College of Textile, Dong Hua University, Shanghai 200051, P.R. China |
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Abstract: | In terms of the structural characteristics, knitted fabrics are described as plane orthotropic body with two symmetric axes, and the stress in different direction is approximately linear with strain before the yield point. The punching yield strength can be predicted theoretically by developing a mathematical equation from anisotropic effect of knitted fabrics. The experimental results demonstrate the applicability of theoretical formula. Analyses also reveal that the factors influencing three-dimensional deforming performance can be divided into two categories: fiber-yarn-fabric structural features and deforming condition. |
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Keywords: | knitted fabric punching yield strength anisotropy orthotropic elastic modulus |
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