Gloger Maciej, Stempien Zbigniew
Institute of Textile Architecture, Lodz University of Technology, Żeromskiego 116, 90-924 Łódź, Poland.
Materials (Basel). 2022 Jun 14;15(12):4208. doi: 10.3390/ma15124208.
Textile ballistic shields are the basis of protection against bullets and fragments with low kinetic energy. They are usually made of para-aramid fabrics or unidirectional structure (UD) sheets of ultra-high molecular weight polyethylene (UHMWPE). The aim of the research presented in the article was to obtain ballistic packages made of embroidered structures and to compare their ballistic properties with those of woven structures in terms of deformation of the standardized ballistic substrate after impact with a 9 mm bullet at a velocity of 380 ± 3 m/s. Using the tailored fiber placement method, embroidered structures were fabricated by embroidering two sets of para-aramid threads at an angle of 90°. As the woven structures, the use of para-aramid fabric made of the same yarn and with a surface weight comparable to that of embroidered structures was adopted. Ballistic packages consisted of 26 layers in five variants, also taking into account the hybrid arrangement of woven and embroidered layers. Ballistic tests have shown that the best ballistic properties have hybrid packages made by folding 13 woven and then 13 embroidered layers, where the maximum deformation of the plasticine substrate is below 23 mm. The conducted research confirmed that embroidered structures in appropriate combination with woven structures can significantly improve the ballistic properties of textile packages.
纺织防弹盾牌是抵御低动能子弹和碎片的防护基础。它们通常由对位芳纶织物或超高分子量聚乙烯（UHMWPE）的单向结构（UD）片材制成。本文所呈现的研究目的是获得由刺绣结构制成的防弹组件，并在标准防弹基材以380±3米/秒的速度被9毫米子弹击中后，将其弹道性能与编织结构的弹道性能在变形方面进行比较。采用定制纤维铺放方法，通过以90°角刺绣两组对位芳纶线来制造刺绣结构。作为编织结构，采用了由相同纱线制成且面密度与刺绣结构相当的对位芳纶织物。防弹组件由五个变体中的26层组成，同时也考虑了编织层和刺绣层的混合排列。弹道测试表明，最佳弹道性能的是由13层编织层然后13层刺绣层折叠而成的混合组件，其中橡皮泥基材的最大变形低于23毫米。所进行的研究证实，刺绣结构与编织结构的适当组合可显著提高纺织组件的弹道性能。
