单层金属板对刚性弹体抗撞击特性的影响因素研究

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振动与冲击 ›› 2017, Vol. 36 ›› Issue (24) : 35-43.

论文

邓云飞?，胡静，崔亚男，何振鹏

作者信息 +

Influences of target plate and rigid projectile on their anti-impact characteristics#br#

DENG Yunfei, HU Jing, CUI Yanan, HE Zhenpeng

Author information +

文章历史 +

摘要

利用38CrSi高硬度弹体对Q235钢和45钢的单层靶进行撞击实验，研究单层金属板对刚性弹体抗撞击特性的影响因素，揭示靶体材料特性、靶体厚度及弹体头部形状对靶体抗撞击特性的影响，分析不同撞击条件下靶体主要失效特性的过渡及条件。实验结果表明，弹体头部形状对其弹道极限的影响与靶体厚度、靶体材性力学特性相关。对于薄板，弹体头部形状对低强度材料更为敏感。但是，对于厚板，弹体头部形状对高强度材料更为敏感。靶体的弹道极限随其厚度增加而增加，靶体厚度对卵形头弹的弹道极限影响最大，依次是半球形头弹和平头弹。此外，高强度靶体的弹道极限高于低强度靶体的弹道极限，其中靶体强度对卵形头弹的弹道极限影响最大。

Abstract

In order to investigate influences of target plate and rigid projectile on their anti-impact features, plates made of a single layer of Q235 steel and 45 steel were impacted, respectively by high strength projectiles made of 38CrSiMn in impact tests. Influences of target material characteristics, target thickness and projectile nose shape on target’s anti-impact characteristics were revealed, the transition and condition of the dominant failure characteristic of targets under various impacts were analyzed. The test results indicated that the influence of projectile nose shape on its ballistic limit is related to target material characteristics and thickness; for thin plate target, projectile nose shape is more sensitive to lower strength material of target, but for thick plate target, projectile nose shape is more sensitive to higher strength material of target; target’s ballistic limit increases with increase in its thickness; target thickness has the biggest influence on the ballistic limit of oval-nosed projectile, it has the secondary effect on that of hemispherical-nosed projectile and the third effect on that of blunt-nosed projectile; the ballistic limit of higher strength targets is higher than that of lower strength ones, target strength has the largest effects on ballistic limit of oval-nosed projectile.

导出引用

邓云飞?，胡静，崔亚男，何振鹏. 单层金属板对刚性弹体抗撞击特性的影响因素研究[J]. 振动与冲击, 2017, 36(24): 35-43

DENG Yunfei, HU Jing, CUI Yanan, HE Zhenpeng. Influences of target plate and rigid projectile on their anti-impact characteristics#br#[J]. Journal of Vibration and Shock, 2017, 36(24): 35-43

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