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首页> 美国卫生研究院文献>Materials >Fabrication and Mechanical Characterization of Dry Three-Dimensional Warp Interlock Para-Aramid Woven Fabrics: Experimental Methods toward Applications in Composite Reinforcement and Soft Body Armor
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Fabrication and Mechanical Characterization of Dry Three-Dimensional Warp Interlock Para-Aramid Woven Fabrics: Experimental Methods toward Applications in Composite Reinforcement and Soft Body Armor

机译：干燥三维经线互联织物的制造和力学表征：复合加固和软体铠装应用的实验方法

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摘要

Recently, three-dimensional (3D) warp interlock fabric has been involved in composite reinforcement and soft ballistic material due to its great moldability, improved impact energy-absorbing capacity, and good intra-ply resistance to delamination behaviors. However, understanding the effects of different parameters of the fabric on its mechanical behavior is necessary before the final application. The fabric architecture and its internal yarn composition are among the common influencing parameters. The current research aims to explore the effects of the warp yarn interchange ratio in the 3D warp interlock para-aramid architecture on its mechanical behavior. Thus, four 3D warp interlock variants with different warp (binding and stuffer) yarn ratios but similar architecture and structural characteristics were engineered and manufactured. Tensile and flexural rigidity mechanical tests were carried out at macro- and meso-scale according to standard EN ISO 13 934-1 and nonwoven bending length (WSP 90.5(05)), respectively. Based on the results, the warp yarn interchange ratio in the structure revealed strong influences on the tensile properties of the fabric at both the yarn and final fabric stages. Moreover, the bending stiffness of the different structures showed significant variation in both the warp and weft directions. Thus, the interchange rations of stuffer and binding warp yarn inside the 3D warp interlock fabric were found to be very key in optimizing the mechanical performance of the fabric for final applications.
机译：最近，三维（3D）经纱互锁面料由于其可模塑性，改善了影响能力吸收能力，以及对分层行为的良好抗血液抗分层行为而涉及复合增强和软弹性弹道材料。然而，在最终应用之前，了解织物的不同参数对其机械行为的影响是必要的。织物建筑及其内部纱线组合物是常见的影响参数之一。目前的研究旨在探讨Warp纱线交换比在3D Warp Interlock Para-Aramid架构中的影响其力学行为。因此，具有不同翘曲（粘合剂和填充物）纱线比例但具有类似架构和结构特征的四个3D翘曲互锁变体进行了工程和制造。根据标准EN ISO 13 934-1和非织造弯曲长度（WSP 90.5（05））分别在宏观和中间级进行拉伸和弯曲刚度机械测试。基于该结果，结构中的经纱交换比揭示了对纱线和最终织物阶段的织物的拉伸性质的强烈影响。此外，不同结构的弯曲刚度显示出经线和纬纱方向的显着变化。因此，发现3D翘曲互锁织物内的填充器和绑定纱的交换率在优化织物的机械性能下，发现了用于最终应用的织物的机械性能非常关键。

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