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Deformation behaviour of advanced textile composites with auxetic structure

机译：高级纺织复合材料与辅助结构的变形行为

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The advanced composites - laminates, composed of auxetic and non-auxetic layers, were developed and subjected to tensile loading tests to characterize their deformation behaviour. The two-layer laminates were composed of the polymer foam with auxetic cellular structure and the conventional knitted fabric bonded together by the rubber-based adhesive, based on polymer binder, resins, additives and flammable organic solvents. All base materials, structured foams and laminates were tested. The influence of the adhesive on mechanical properties of the knitted fabric was also evaluated. The results of the study show that the cheaply fabricated laminates of knitted fabric reinforced by structured Ethylene-Vinyl Acetate (EVA) foam offer stiffness enhancement and decrease of the Poisson's ratio of the conventional fabric. The laminates also limit fabric warping during the deformation, thus increasing its stiffness. This behaviour can be beneficial in many applications in the textile industry by enhancing properties in durability, comfort and support.
机译：开发了由辅助和非辅助层组成的先进复合材料 - 层压材料，并进行拉伸加载试验，以表征其变形行为。双层层压板由具有辅助细胞结构的聚合物泡沫和通过橡胶基粘合剂粘合在一起的常规针织织物，基于聚合物粘合剂，树脂，添加剂和易燃有机溶剂。测试所有基材，结构泡沫和层压材料。还评估了粘合剂对针织织物力学性能的影响。该研究的结果表明，由结构化乙烯 - 乙酸乙烯酯（EVA）泡沫增强的针织织物的廉价制成的层压板提供刚度增强和常规织物的泊松比的降低。层压板还限制了变形期间的织物翘曲，从而增加了刚度。这种行为通过提高耐用性，舒适和支持的特性，在纺织业中的许多应用中都是有益的。

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