铺陈角度对芳纶/玻璃纤维层合板抗冲击性能的影响

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摘要采用Abaqus软件建立了圆锥形子弹正冲击芳纶/玻璃纤维复合材料层合板的有限元模型，将模拟结果与文献中的实验结果相比较验证了模型的可靠性，进而研究子弹以不同的速度对不同铺陈角度下的复合材料层合板冲击后初始速度与剩余速度的关系以及层合板的破坏特征。结果表明:当层合板铺陈角度不变且子弹击穿层合板时，子弹初始速度与剩余速度接近于线性关系；在子弹未穿透层合板时，［0/90°］铺陈角度的层合板抗弹性能最好，在子弹以600~900 m/s的较高速度穿透层合板时，［45/-45°］铺陈角度的层合板吸能效果最好；由破坏特征图表明铺陈角度对层合板的损伤面积和破坏机制影响不大。该研究可为防护装备的设计和优化提供参考。

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	贾宝华1
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关键词 ：芳纶/玻璃纤维, 铺陈角度, 冲击, 层合板

Abstract：The finite element model of aramid / glass fiber composite laminates normal impacted by conical bullets was established by using Abaqus software. The reliability of the model was verified by comparing the simulation results with the experimental ones in the literature, and then the relationship between the initial velocity and the residual velocity of composite laminates with bullets of different velocities impacting composite laminates of different ply angles and the failure characteristics of the laminates were studied. The results show that the relationship between the initial velocity and the residual velocity of the bullet is nearly linear when the ply angle of the laminate is constant and the bullet does penetrate the laminate.When it doesn’t,the anti-ballistic performance of the laminate with the ply angle of ［0/90°］ is the best, and when the bullet penetrates the laminate at a higher velocity from 600 m/s to 900 m/s, the energy absorption effect of the laminate with the ply angle of ［45/-45°］ is the best. The failure characteristic diagram shows that the ply angle has little effect on the damage area and failure mechanism of the laminate. This study can provide a reference for the design and optimization of protective equipment.

Key words： aramid/glass fiber ply angle impact laminate

收稿日期: 2018-07-12 出版日期: 2020-03-28

引用本文:

贾宝华1，冯锦飞1，顾永强1，徐振洋2. 铺陈角度对芳纶/玻璃纤维层合板抗冲击性能的影响[J]. 振动与冲击, 2020, 39(7): 274-278.
JIA Baohua1, FENG Jinfei1, GU Yongqiang1, XU Zhenyang2. Effect of ply angle on impact resistance for aramid/glass fiber laminates. JOURNAL OF VIBRATION AND SHOCK, 2020, 39(7): 274-278.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2020/V39/I7/274

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