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Stress relaxation of three-dimensional warp-knitted fabrics in compression

机译:压力放松三维经编织织物压缩

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Spacer fabrics are a versatile textile construction that can be modified and adapted for a wide range of uses. While the behaviour of spacer fabrics in compression has been extensively studied, their time dependant properties such as creep and stress relaxation have not been investigated equally well. In this research project warp-knit spacer fabrics underwent consecutive compression cycles and the resulting stress degradation over time curves were analysed in order to develop a mathematical and mechanical model of the material behaviour. Based on this analysis it was found that the complexity of spacer structure results in the creep behaviour being connected to the creep bending of interconnecting yarns.
机译:间隔织物是一种多功能纺织结构,可以修改和适用于各种用途。虽然已经广泛地研究了间隔织物的行为,但是已经广泛研究了它们的时间依赖性,例如蠕变和应力松弛等于同样很好地研究。在该研究中,分析了经过翘曲的旋状间隔织物,并分析了随时间曲线的产生应力降解,以便开发材料行为的数学和机械模型。基于该分析,发现间隔物结构的复杂性导致蠕变行为连接到互连纱线的蠕变弯曲。

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