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Determination of Materials for Hybrid Design of 3D Soft Body Armour Panels

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Abstract

In order to optimise the construction of soft body armour panels by hybridization, this study aims to identify materials determination for hybrid panel. Different ballistic characteristics of aramid woven fabrics and Ultra High Molecular Weight Polyethylene uni-directional laminates were investigated through ballistic test and fractorgaphic analysis. With an increasing of total layer numbers in a panel, specific energy absorption of Twaron woven panel shows a decrease trend, and Dyneema UD panel exhibits an increasing trend. Such reverse trend of ballistic performance is due to different failure modes of two materials. According to fractorgraphic analysis, Twaron fabric has large transverse deformation for back layers in a perforated panel. This results in higher energy absorption in back layers. For Dyneema UD, thermal damage is the dominant failure mode, which can result in performance degradation especially for front layers on the strike face. In addition, Dyneema UD exhibits significant advantage of minimize Backface Signature (BFS) and a little higher perforation ratio than that of Twaron woven panels. Based on these findings, an optimized hybrid panel is designed by combing Twaron woven fabric before Dyneema UD. In comparison with other panels with different layer sequences, this hybridization manner exhibited better ballistic performance, including improvement of energy absorption, minimized BFS of the non-perforated panel and reduction of perforation ratio. These findings indicated that material determination for hybrid design should be based on ballistic characteristics of different materials and requirements of different regions in a panel.

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Acknowledgements

This work is financially supported by project supported by National Science Foundation for Young Scientists of China (Grant No.11702337). We are grateful to Henan Collaborative Innovation Center of Textile and garment industry for their assistance.

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Authors and Affiliations

  1. School of Textile, Zhongyuan University of Technology, 141Zhongyuan Rd, Zhengzhou, 450007, Henan, China

    Yanfei Yang

  2. School of Materials, University of Manchester, Manchester, M139PL, UK

    Xiaogang Chen

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  1. Yanfei Yang
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  2. Xiaogang Chen
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Correspondence to Yanfei Yang.

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Yang, Y., Chen, X. Determination of Materials for Hybrid Design of 3D Soft Body Armour Panels. Appl Compos Mater 25, 861–875 (2018). https://doi.org/10.1007/s10443-018-9716-y

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  • DOI: https://doi.org/10.1007/s10443-018-9716-y

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