The Analysis of the Deformational Behavior and Mechanical Properties of Composite Yarn under the Conditions of Small Deformation

Xin Mei Fan; Hao Li Xia; Zhao Xiang Zheng; Yan Pei Li; Yuan Xue

doi:10.4028/www.scientific.net/AMR.239-242.3024

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Study on the Magnetorheological Effect of MR Elastomer under Shear-compression Mode
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The Analysis of the Deformational Behavior and Mechanical Properties of Composite Yarn under the Conditions of Small Deformation
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The Analysis of the Deformational Behavior and Mechanical Properties of Composite Yarn under the Conditions of Small Deformation

Abstract:

This paper studied the mechanical behavior of the filament/staple fiber composite yarn and the pure cotton yarn under the isostress and isostrain of cycling tensile strength with the conditions of small deformation. And it also analyzed the elastic recovery rate, creep rate and stress relaxation rate under the different deformation rate and load. The results show that the mechanical properties of elastic recovery rate, stress relaxation and creep all keep in good range in the experiment of cycling tensile strength with low certain elongation and constant load; as the increase of certain elongation and constant load, the mechanical properties of elastic recovery rate, stress relaxation and creep have much difference, just in terms of the conformality under the cyclic tensile strength, PET/PU/cotton composite yarn shows the best, next is the PU/cotton composite yarn, and then next is the PET /cotton composite yarn, and the pure cotton yarn shows the worst.