Effect of projectile shape on ballistic mechanism in 3D shallow bend-joint woven fabrics

IF 3.5 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Materials Science Pub Date : 2024-10-24 DOI:10.1007/s10853-024-10364-6
Jiaxue Chen, Qingsong Wei, Zhongkai Xin, Zhangjing Zhang, Huapeng Zhang
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Abstract

This study uses numerical simulations to investigate projectile shape’s influence on the ballistic performance of 3D shallow bend-joint woven fabrics (3DSBWFs). The projectiles, including conical, flat, hemispherical, and spherical shapes, were analyzed for their impact on energy absorption, stress distribution, and deformation mechanisms. Results indicated that flat projectiles exhibited the highest total energy absorption, reflecting extensive energy transfer and broad impact force distribution. In contrast, conical projectiles caused localized energy absorption, concentrating stress at the tip and leading to early rupture of fabric yarns through minimal energy dissipation. Hemispherical and spherical projectiles demonstrated balanced energy absorption and uniform impact force distribution. Stress propagation varied significantly, with conical projectiles causing localized damage, while flat projectiles displayed broader stress propagation. Deformation patterns also differed, with conical projectiles causing severe localized deformation and flat projectiles resulting in extensive yarn deformation. Hemispherical and spherical projectiles induced more balanced deformations. These findings underscore the importance of projectile shape in designing protective materials, providing insights for optimizing fabric structures to enhance ballistic performance.

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弹丸形状对三维浅弯接编织物弹道机制的影响
本研究利用数值模拟研究了弹丸形状对三维浅弯接编织物(3DSBWF)弹道性能的影响。研究分析了圆锥形、扁平形、半球形和球形弹丸对能量吸收、应力分布和变形机制的影响。结果表明,扁平弹丸的总能量吸收最高,反映了广泛的能量传递和广泛的冲击力分布。相比之下,锥形弹丸造成局部能量吸收,应力集中在顶端,能量耗散最小,导致织物纱线早期断裂。半球形和球形弹丸的能量吸收均衡,冲击力分布均匀。应力传播差异很大,圆锥形弹丸造成局部损坏,而扁平弹丸的应力传播范围更广。变形模式也各不相同,锥形弹丸会造成严重的局部变形,而扁平弹丸则会造成广泛的纱线变形。半球形和球形弹丸引起的变形更为均衡。这些发现强调了弹丸形状对设计防护材料的重要性,为优化织物结构以提高防弹性能提供了启示。
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来源期刊
Journal of Materials Science
Journal of Materials Science 工程技术-材料科学:综合
CiteScore
7.90
自引率
4.40%
发文量
1297
审稿时长
2.4 months
期刊介绍: The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.
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