1. 北京理工大学 爆炸科学与技术国家重点实验室, 北京 100081
2. 北京理工大学 重庆创新中心, 重庆 401120
*邮箱: liuh@bit.edu.cn
收稿:2022-12-30,
网络首发:2023-12-15,
纸质出版:2023-10-30
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许尧杰, 刘瀚, 张宏, 等. 氧化锌改性芳纶织物的抗弹道冲击性能的数值模拟[J]. 兵工学报, 2023,44(10):2897-2905.
Yaojie XU, Han LIU, Hong ZHANG, et al. Numerical Investigation of Anti-ballistic Property of ZnO-modified Aramid Fabrics[J]. Acta Armamentarii, 2023, 44(10): 2897-2905.
许尧杰, 刘瀚, 张宏, 等. 氧化锌改性芳纶织物的抗弹道冲击性能的数值模拟[J]. 兵工学报, 2023,44(10):2897-2905. DOI: 10.12382/bgxb.2022.1297.
Yaojie XU, Han LIU, Hong ZHANG, et al. Numerical Investigation of Anti-ballistic Property of ZnO-modified Aramid Fabrics[J]. Acta Armamentarii, 2023, 44(10): 2897-2905. DOI: 10.12382/bgxb.2022.1297.
芳纶织物由于其低密度、高模量、高强度特性被广泛应用于人体防弹领域
为提高芳纶织物的抗弹性能
通过纳米氧化锌颗粒种植生长对芳纶织物进行改性
开展电镜观察、准静态拉伸试验、纱线拉拔试验、弹道冲击试验和数值模拟工作
得到了氧化锌改性织物的力学性能和弹道性能。研究结果表明:氧化锌颗粒的种植增加了纤维之间的结构互锁与表面粗糙度
氧化锌改性织物的纱线间摩擦系数较纯织物提高了282%
弹道极限速度较纯织物提高了54.5%
且吸能与比吸能性能显著优于纯织物;通过细观纱线模型对织物的弹道冲击过程进行模拟
仿真结果与弹道试验结果具有良好的一致性
进一步说明了纱线间摩擦系数和拉伸强度的提升可以作为提高织物的抗弹道冲击性能的有效手段
为氧化锌改性织物在柔性防弹领域的应用提供了理论依据。
Aramid fabrics are widely used in the field of body armors due to their low density
high modulus and high strength. In order to improve the ballistic resistance of aramid fabrics
the aramid fabrics are modified by planting and growing the nano-ZnO particles. The electron microscope observation
quasi-static tensile test
yarn pull-out test
ballistic impact test and numerical simulation were made for ZnO-modified fabrics
and their mechanical and ballistic properties were studied. The results show that the planting of ZnO particles increases the structural interlock and surface roughness of yarns. Compared with the neat fabrics
the inter-yarn friction coefficient of ZnO-modified fabrics is increased by 282%
their ballistic limit velocity is increased by 54.5%
and their energy absorption and specific energy absorption performance are significantly better than those of neat fabrics. The ballistic impact process of the modified fabric is simulated by the meso-yarn model. The simulated results are in good agreement with the ballistic test results. This further explains that the improvement of inter-yarn friction coefficient and tensile strength is an effective means to enhance the ballistic impact resistance of fabrics
and provides a theoretical basis for the application of ZnO-modified fabrics in the field of flexible bulletproof.
GURGEN S , KUSHAN M C , LI W H . Shear thickening fluids in protective applications: a review [J ] . Progress in Polymer Science , 2017 , 75 : 48 - 72 . DOI: 10.1016/j.progpolymsci.2017.07.003 http://doi.org/10.1016/j.progpolymsci.2017.07.003 https://linkinghub.elsevier.com/retrieve/pii/S0079670017300035 https://linkinghub.elsevier.com/retrieve/pii/S0079670017300035
胡年明 , 陈长海 , 朱锡 , 等 . 陶瓷与芳纶层合板叠层结构抗侵彻性能试验研究 [J ] . 兵工学报 , 2018 , 39 ( 5 ): 976 - 982 . DOI: 10.3969/j.issn.1000-1093.2018.05.018 http://doi.org/10.3969/j.issn.1000-1093.2018.05.018 为了研究陶瓷与芳纶层合板叠层结构在中高速弹丸侵彻作用下,陶瓷面板对芳纶层合板抗侵彻性能的影响,开展了13.5 g破片模拟弹丸以中高速冲击8 mm厚芳纶板、16 mm厚芳纶板、3 mm厚SiC陶瓷+8 mm厚芳纶板、3 mm厚Al<sub>2</sub>O<sub>3</sub>陶瓷+8 mm厚芳纶板4种靶板的抗侵彻性能试验。分析了有无前置陶瓷板,芳纶板受到冲击作用后,弹丸及芳纶板变形模式的差异、靶板单位面密度吸能的区别。研究结果表明:前置陶瓷板情况下,弹丸变形较大并伴随着质量磨蚀;前置陶瓷板降低了芳纶板的剪切破坏程度,增加了拉伸变形和层间分层范围;前置陶瓷结构相对于纯芳纶结构在弹速较高时抗侵彻能力较强。
HU N M , CHEN C H , ZHU X , et al . Experimental research on anti-penetration performance of stacked structure of ceramic/Kevlar composite laminates [J ] . Acta Armamentarii , 2018 , 39 ( 5 ): 976 - 982 . (in Chinese)
SOCKALINGAM S , CHOWSHURY S C , GILLESPIE J W , et al . Recent advances in modeling and experiments of Kevlar ballistic fibrils, fibers, yarns and flexible woven textile fabrics—a review [J ] . Textile Research Journal , 2017 , 87 ( 8 ): 984 - 1010 . DOI: 10.1177/0040517516646039 http://doi.org/10.1177/0040517516646039 http://journals.sagepub.com/doi/10.1177/0040517516646039 http://journals.sagepub.com/doi/10.1177/0040517516646039 Ballistic impact onto flexible woven textile fabrics is a complicated multi-scale problem given the structural hierarchy of the materials, anisotropic material behavior, projectile geometry–fabric interactions, impact velocity and boundary conditions. Although this subject has been an active area of research for decades, the fundamental mechanisms, such as material failure, dynamic response and multi-axial loading occurring at the lower length scales during impact, are not well understood. This paper reviews the recent advances in modeling and experiments of Kevlar ballistic fibrils, fibers, yarns and flexible woven textile fabrics pertinent to the deformation modes occurring during impact and serves to identify topics worthy of further investigation that will advance the basic understanding of the phenomena governing transverse impact. This review also explores aspects such as homogeneous versus heterogeneous behavior of yarns consisting of individual fibers and the inelastic transverse behavior of the fiber, which is not considered in the previous review papers on this topic.
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ZHANG X T , YAN R S , ZHANG Q Y , et al . The numerical simulation of the mechanical failure behavior of shear thickening fluid/fiber composites: a review [J ] . Polymers Advanced Technologies , 2022 , 33 ( 1 ): 20 - 33 . DOI: 10.1002/pat.v33.1 http://doi.org/10.1002/pat.v33.1 https://onlinelibrary.wiley.com/toc/10991581/33/1 https://onlinelibrary.wiley.com/toc/10991581/33/1
KHODADADI A , LIAGHAT G H , SABET A R , et al . Experimental and numerical analysis of penetration into Kevlar fabric impregnated with shear thickening fluid [J ] . Journal of Thermoplastic Composite Materials , 2018 , 31 ( 3 ): 392 - 407 . DOI: 10.1177/0892705717704485 http://doi.org/10.1177/0892705717704485 http://journals.sagepub.com/doi/10.1177/0892705717704485 http://journals.sagepub.com/doi/10.1177/0892705717704485 This study presents the high-velocity impact performance of a composite material composed of woven Kevlar fabric impregnated with a colloidal shear thickening fluids (STFs). Although the precise role of the STF in the high-velocity defeat, process is not exactly known but it is suspected to be due to the increased frictional interaction between yarns in impregnated fabrics. In order to explore the mechanism of this enhanced energy absorption, high-velocity impact test was conducted on neat, impregnated fabric and also on pure STF without fabric. A finite element model has been carried out to consider the effect of STF impregnation on the ballistic performance. For this purpose, fabric was modeled using LS-DYNA by employing the experimental results of yarn pull-out tests to characterize the frictional behavior of the STF impregnated fabric. The simulation result is a proof that the increased performance for STF impregnated Kevlar fabric is due to the increased friction.
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解亚宸 , 黄广炎 , 张宏 , 等 . UHMWPE纤维二维织物抗弹道冲击性能 [J ] . 兵工学报 , 2022 , 43 ( 9 ): 2152 - 2163 .
XIE Y C , HUANG G Y , ZHANG H , et al . Ballistic performance of two-dimensional UHMWPE fabric [J ] . Acta Armamentarii , 2022 , 43 ( 9 ): 2152 - 2163 . (in Chinese) DOI: 10.12382/bgxb.2021.0648 http://doi.org/10.12382/bgxb.2021.0648 Due to its high modulus, high strength, and low density, ultra-high molecular weight polyethylene fiber (UHMWPE) fabric is widely applied in explosive fragment protection. Based on the results of ballistic tests performed on UHMWPE two-dimensional (2D) woven fabric, a numerical mesoscale model is initially developed using the Abaqus finite element analysis method. The fabric size and boundary fixing methods are considered in the mesoscale model. At the same time, ballistic tests are carried out as a foundation for numerical simulation. Since the smaller fabric size influences the ballistic performance of 2D woven fabric and the increase in fabric size leads to higher calculation costs, a meso-macro hybrid scale model is established. This modified model has a higher calculation efficiency and its numerical results are in good agreement with the experimental results. The ballistic performance of the fabric under the impact of projectiles with different head shapes of heads (flat, sharp, or hemispherical) is studied and compared with the experimental results by using the meso-macro hybrid scale model. The ballistic limit and the fabric failure are characterization parameters used to measure the ballistic performance. It is concluded that the 2D woven fabric has the best impact resistance against flat-nose projectile. Under low-velocity impacts below 100 m/s, the impact resistance against sharp-nose projectiles is better than that against hemisphere-nose ones. Under high-speed impacts above 100 m/s, the impact resistance against hemisphere-nose projectiles is better than that against sharp-nose projectiles.
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