12.7 mm动能弹斜侵彻复合装甲的数值模拟研究

王维占; 赵太勇; 冯顺山; 杨宝良; 李小军; 陈智刚

doi:10.11883/bzycj-2018-0425

12.7 mm动能弹斜侵彻复合装甲的数值模拟研究

doi: 10.11883/bzycj-2018-0425

王维占^{1, 2,},
赵太勇^2, ,,
冯顺山³,
杨宝良⁴,
李小军⁵,
陈智刚²

1.
中北大学机电工程学院，山西太原 030051
2.
中北大学地下目标毁伤技术国防重点学科实验室，山西太原 030051
3.
北京理工大学机电工程学院，北京 100081
4.
西安现代控制技术研究所，陕西西安 710065
5.
军事科学研究院防化研究院，北京 102205

详细信息

作者简介:
王维占（1990－　），男，博士研究生，530056679@qq.com

通讯作者:
赵太勇（1971－　），男，博士，副教授，1043414401@qq.com

中图分类号: O382; TJ55
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- 被引次数: 0
出版历程
- 收稿日期: 2018-10-29
- 修回日期: 2019-03-12
- 刊出日期: 2019-12-01

Numerical simulation study on penetration of a 12.7 mm kinetic energy bullet into a composite armor

1.
College of Mechatronic Engineering, North University of China, Taiyuan 030051, Shanxi, China
2.
National Defense Key Discipline Laboratory of Underground Target Damage Technology, North University of China, Taiyuan 030051, Shanxi, China
3.
School of Mechanical and Electrical Engineering, Beijing Institute of Technology, Beijing 100081, China
4.
Xi’an Institute of Modern Control Technology, Xi’an 710065, Shaanxi, China
5.
Institute of Defense Research, Academy of Military Science, Beijing 102205, China

摘要

摘要: 通过弹道枪实验对斜置角度为0°～60°的陶瓷复合装甲进行了弹道极限测试，分析了靶板斜置角度对穿燃弹的弹道极限和钢芯质量变化、破坏形态的影响。利用数值模拟的方法对上述实验结果进行验证计算，鉴于数值计算结果与实验结果较好的一致性，进一步研究了陶瓷复合靶板斜置角度对穿燃弹钢芯穿靶偏移角和等效Q235钢靶厚度的影响。结果表明，随陶瓷复合靶板斜置角度的增大：弹道极限近似指数型提高；在相同弹道极限速度下，穿燃弹对Q235钢靶板的极限穿深和对斜置陶瓷复合靶板的极限穿深的等效厚度的比也随之增大；同时，钢芯完整度逐渐降低，穿靶偏移角反向增大。
- 斜置 /
- 弹道极限 /
- 破坏 /
- 侵彻
Abstract: Ballistic limit tests were carried out by using a ballistic gun system for the ceramic composite armors obliquely placed with the angles of 0° − 60°. The influences of the oblique angles were analyzed on the ballistic limits, steel core mass change and damage forms of armor-piercing bullets. The numerical simulations were performed to verify the above experimental results. Based on the fact that the calculated results were in agreement with the experimental ones, the influences of the oblique angles were further explored on the deflection angles of the bullet steel cores penetrating through the target plates, and the thicknesses of the equivalent Q235 steel target plates. Results show that with increasing the oblique angles of the ceramic composite targets: (1) the ballistic limit obeys an exponential increase law; (2) at the same ballistic limit, the ratio of the limit penetration depth of the Q235 steel target plate by the armor-piercing bullet to the equivalent thickness of the limit penetration depth of the obliquely-placed ceramic composite target by the armor-piercing bullet increases; (3) the integrity of the bullet steel core decreases gradually, its deflection angle increases reversely.
- oblique /
- ballistic limit /
- damage /
- penetration

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图 1 实验用12.7 mm穿燃弹及陶瓷复合靶板

Figure 1. A 12.7 mm armor-piercing bullet and a ceramic composite target plate used in experiments

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图 2 实验装置及场地布置

Figure 2. Experimental setup and site layout

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图 3 弹靶有限元模型

Figure 3. Finite element models for bullet and target

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图 4 部分回收钢芯式样及对应靶入、出孔图

Figure 4. Part of recovery steel core styles and corresponding into- and out-of-target holes

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图 5 部分钢芯及弹头壳的破坏形态

Figure 5. Failure modes of some steel cores and warhead shells

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图 6 陶瓷复合靶及穿燃弹钢芯的破坏形态

Figure 6. Failure modes of ceramic composite targets and steel cores of piercing incendiary bullets

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图 7 钢芯剩余质量与靶板斜置角度的关系

Figure 7. Residual mass of steel core varied with oblique angle of target plate

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图 8 弹道极限与靶板斜置角度的关系

Figure 8. Ballistic limit varied with oblique angle of target plate

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图 9 不同靶板斜置角度下实验钢芯试样破坏形态与数值模拟得到的钢芯应力云图

Figure 9. Failure patterns of steel core specimens used in experiments and stress distribution in ones by numerical simulation at different oblique angles of target plates

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图 10 斜侵彻复合靶等效厚度H

Figure 10. Equivalent thickness H of an obliquely-penetrated composite target

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图 12 子弹钢芯穿靶偏移角Δθ

Figure 12. Deflection angle Δθ of bullet steel core penetrating through target plate

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图 11 正侵彻等效Q235钢靶厚度h

Figure 11. Thickness h of an equivalent normally-penetrated Q235 steel target

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图 13 等效正侵彻Q235钢靶极限穿深条件下的弹靶破坏形态

Figure 13. Failure patterns of bullet and target under the limit penetration depth of equivalent Q235 steel target

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图 14 靶板斜置角度与钢芯穿靶偏移角的关系

Figure 14. Deflection angle of bullet steel core penetrating through target varied with oblique angle of target plate

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图 15 靶板等效厚度与靶板斜置角度的关系

Figure 15. Relation between equivalent thickness of target plate and its oblique angle

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图 16 陶瓷复合靶板和Q235钢靶的等效厚度比与靶板斜置角度的关系

Figure 16. Equivalent-thickness ratio of ceramic composite target to Q235 steel target varied with their oblique angle

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表 1 12.7 mm穿燃弹侵彻陶瓷复合靶板实验的部分有效数据

Table 1. Part of effective experimental data for penetration of 12.7 mm piercing incendiary bullets into ceramic composite targets

实验编号	靶板斜置角度/(°)	着靶速度/(m·s⁻¹)	穿透情况	背靶穿孔尺寸/mm	钢芯剩余质量/g
1#		576	穿透	13.2	28.4
	0	593	穿透	14.7	30.1
		521	嵌入	5.9	26.8
2#		637	穿透	13.9	23.6
	15	593	嵌入	14.3	22.1
		579	嵌入	7.6	20.7
3#		693	穿透	13.1	17.6
	30	645	嵌入	7.1	13.9
		713	穿透	15.1	15.1
4#		789	嵌入	8.3	11.0
	45	765	未嵌入	—	15.6
		833	穿透	14.3	14.4
5#		1 086	嵌入	4.9	8.1
	60	1 213	穿透	13.3	6.0
		1 179	穿透	14.7	9.3

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表 2 不同斜置角度下穿燃弹的弹道极限范围

Table 2. Ballistic limit range of piercing incendiary bullets at different oblique angles

靶板斜置角度/(°)	弹道极限/(m·s⁻¹)	靶板斜置角度/(°)	弹道极限/(m·s⁻¹)
0	521～576	45	789～833
15	579～637	60	1 086～1 179
30	645～693

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表 3 12.7 mm穿燃弹侵彻陶瓷复合靶板的结果

Table 3. Results of 12.7 mm piercing incendiary bullets penetrating into ceramic composite target plates

靶板斜置角度/(°)	弹道极限/(m·s⁻¹)	剩余质量/g	靶板斜置角度/(°)	弹道极限/(m·s⁻¹)	剩余质量/g
0	600	26.4	45	925	9.3
15	675	18.1	60	1 375	6.7
30	770	12.5

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表 4 12.7 mm穿燃弹对复合靶和Q235钢靶的侵彻参数

Table 4. Penetration parameters of 12.7 mm armor-piercing incendiary on composite target and Q235 steel

靶板斜置角度θ/(°)	钢芯偏移角Δθ/(°)	等效复合靶厚度H/mm	等效Q235钢靶厚度h/mm	H/h
0	−0.8	16.0	10	0.63
15	−2.8	16.6	12	0.72
30	−4.2	18.5	15	0.81
45	−7.6	22.6	19	0.83
60	−11.5	32.0	28	0.88

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