穿甲弹斜侵彻钛合金靶板试验与数值模拟研究

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摘要为研究穿甲弹斜侵彻钛合金靶板的极限跳飞角度及相关影响因素，开展了7.62mm穿甲燃烧弹的弹道冲击试验，获取了弹体斜侵彻不同厚度、不同倾斜角度钛合金靶体的极限跳飞角度。同时利用有限元软件LS-DYNA对穿甲弹斜侵彻钛合金靶体进行数值模拟仿真，并与试验数据对比验证模型的有效性。随后讨论了靶板倾角与靶体厚度等因素对弹道性能的影响规律。结果表明：靶板倾角的增大有效降低了穿甲弹的穿甲能力，弹体贯穿后的剩余速度及姿态变化角随靶板倾角的增加而分别呈现非线性下降与上升的趋势；钛合金靶板的极限跳飞角度对靶板厚度敏感，极限跳飞角度随靶板厚度的增加而非线性下降。

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	李钊 1
	孙旭光 1
	周中锋 2

关键词 ：爆炸力学, 斜侵彻, 钛合金靶板, 数值仿真

Abstract：Ballistic impact test of 7.62mm armour-piercing projectile penetrating titanium alloy plates were carried out to study the factors effecting the limit ricochet angle of titanium alloy plate, and the limit ricochet angle of titanium alloy target with different thickness was obtained. Simultaneously, LS-DYNA was used to simulate the armour-piercing projectile oblique penetrating titanium alloy target, and the validity of the model was verified by comparing with the experimental data. Then the influence of the incline angle and the thickness of the titanium alloy plate on the ballistic performance is discussed. It was shown that the penetration performance of armour-piercing projectile is effectively reduced with the increase of the inclination angle of the target plate. With the increase of the inclination angle of the target plate, the residual velocity and the angle of direction change of the projectiles after perforation decreases and increases, respectively. The critical ricochet angle of is related to the thickness of the target plate and decreases nonlinearly with the increase of the thickness of the target plate.

Key words： mechanics of explosion oblique penetration titanium alloy plate numerical simulation

收稿日期: 2022-10-31 出版日期: 2023-12-15

引用本文:

李钊 1，孙旭光 1，周中锋 2. 穿甲弹斜侵彻钛合金靶板试验与数值模拟研究[J]. 振动与冲击, 2023, 42(23): 159-166.
LI Zhao1,SUN Xuguang1,ZHOU Zhongfeng2. Tests and numerical simulation of oblique penetration of armour-piercing projectile into titanium alloy target. JOURNAL OF VIBRATION AND SHOCK, 2023, 42(23): 159-166.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2023/V42/I23/159

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