碳纤维复合靶板抗破片冲击性能研究

李巧歌; 梁增友; 王春光; 郝永强

doi:10.11858/gywlxb.20240720

碳纤维复合靶板抗破片冲击性能研究

doi: 10.11858/gywlxb.20240720

1.
中北大学机电工程学院, 山西太原　030051
2.
晋西集团江阳公司, 山西太原　030051
3.
内蒙动力机械研究所, 内蒙古呼和浩特　010000

基金项目: 山西省科技厅省基础研究计划项目（202103021224210）

详细信息

作者简介:
李巧歌（1999－），女，硕士研究生，主要从事高效毁伤理论与技术、弹箭结构设计等研究. E-mail：1901041103@st.nuc.edu.cn

通讯作者:
梁增友（1969－），男，博士，教授，主要从事弹药装药与安全技术、弹箭高效毁伤与控制技术、弹箭结构设计与仿真、新型远程弹技术等研究. E-mail：liangzy@nuc.edu.cn

中图分类号: O347; TJ04
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出版历程
- 收稿日期: 2024-01-30
- 修回日期: 2024-02-23
- 刊出日期: 2024-07-25

Study on Anti-Fragment Impact Performance of Carbon Fiber Reinforced Plastics

1.
School of Mechanical and Electrical Engineering, North University of China, Taiyuan 030051, Shanxi, China
2.
Jinxi Group Jiangyang Company, Taiyuan 030051, Shanxi, China
3.
Inner Mongolia Power Machinery Research Institute, Hohhot 010000, Inner Mongolia, China

摘要

摘要: 为探究碳纤维复合材料的抗破片侵彻性能，进行了8 g立方体钢破片侵彻厚度分别为5、10、15 mm碳纤维复合材料靶板试验，获取破片着靶速度，并回收破片、靶板，观测靶板破坏情况。根据试验情况进行数值模拟，探究破片侵彻碳纤维复合材料靶板的过程及碳纤维复合材料靶板的破坏机理，由此得到靶板破坏形式与破片速度的关系：破片速度大于弹道极限时，靶板以纤维的剪切破坏为主；破片速度逐渐降低时，纤维的拉伸破坏、基体破裂与纤维层分层多种破坏形式所占比重随着破片速度的变化而变化。
- 碳纤维复合材料 /
- 弹道侵彻试验 /
- 破片 /
- 破坏机理
Abstract: In order to explore the anti-penetration property of carbon fiber composite materials, a series of experiments need to be carried out. In experiments, 8 g cubic steel fragments penetrated carbon fiber reinforced plastics whose thickness are 5, 10 and 15 mm respectively. The velocity of fragments was obtained, the situation of target was observed, fragments and carbon fiber were recovered. The numerical simulations were carried out according to the situation of experiments. The process of fragments penetrating carbon fiber composite target was explored, and the failure mechanism of carbon fiber composite target was also explored. The relationship between the failure mode and velocity of fragments could be described as follows: when the fragment velocity exceeds the ballistic limit, the main form of target damage is fiber shear failure; when the fragment velocity is lower than the ballistic limit, the damage forms of the target include fiber shear failure, fiber tensile failure, matrix cracking and fiber layer delamination, and their proportions change with the fragment velocity.
- carbon fiber reinforced plastics /
- ballistic penetration test /
- fragment /
- failure mechanism

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图 1 破片侵彻碳纤维复合材料靶板试验系统

Figure 1. Test system of fragments penetrating carbon fiber composite target

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图 2 8 g钢破片

Figure 2. 8 g steel fragments

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图 3 破片和弹托装配

Figure 3. Fragments and sabots assembly

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图 4 破片和发射药筒装配

Figure 4. Fragment and propellant cartridge

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图 5 破片侵彻5 mm厚碳纤维复合材料靶板的破坏形态

Figure 5. Failure mode of fragment penetrating 5 mm thick carbon fiber composite target

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图 6 破片侵彻10 mm厚碳纤维复合材料靶板的破坏形态

Figure 6. Failure mode of fragment penetrating 10 mm thick carbon fiber composite target

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图 7 破片侵彻15 mm厚碳纤维复合材料靶板的破坏形态

Figure 7. Failure mode of fragment penetrating 15 mm thick carbon fiber composite target

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图 8 钢破片的有限元模型

Figure 8. Finite element model of the steel fragment

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图 9 碳纤维复合材料靶板有限元模型

Figure 9. Finite element model of carbon fiber composite target plate

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图 10 破片侵彻碳纤维复合材料有限元模型

Figure 10. Finite element model of fragment penetrating carbon fiber composite material

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图 11 破片以不同姿态侵彻碳纤维复合靶板

Figure 11. Fragments penetrating carbon fiber composite target plates with different attitudes

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图 12 破片侵彻碳纤维复合靶板过程

Figure 12. Process diagram of fragment penetrating carbon fiber composite target plate

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图 13 破片侵彻5 mm厚碳纤维复合材料靶板结果对比

Figure 13. Comparison of the results of fragment penetrating 5 mm thick carbon fiber composite target

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图 14 破片侵彻10 mm厚碳纤维复合材料靶板结果对比

Figure 14. Comparison of the results of fragment penetrating 10 mm thick carbon fiber composite target

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图 15 破片侵彻15 mm厚碳纤维复合材料靶板结果对比

Figure 15. Comparison of the results of fragment penetrating 15 mm thick carbon fiber composite target

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表 1 碳纤维复合材料的力学性能参数

Table 1. Mechanical properties of carbon fiber composites plate

${\sigma }_{x\mathrm{t}}$ / MPa	${E}_{1\mathrm{t}}$ / GPa	${\sigma }_{y\mathrm{t}}$ / MPa	${E}_{2\mathrm{t}}$ / GPa	${\sigma }_{x\mathrm{c}}$ / MPa	${E}_{1\mathrm{c}}$ / GPa	${\sigma }_{y\mathrm{c}}$ / MPa	${E}_{2\mathrm{c}}$ / GPa	${\tau }_{12}$ / MPa	${G}_{12}$ / GPa	${\tau }_{\mathrm{J}}$ / MPa	${\gamma }_{12}$
1755	138	48	8.36	1248	128	214	8.48	113	4.51	21.5	0.27

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表 2 破片侵彻靶板的损伤区域统计

Table 2. Statistic of damage area of fragment penetrating target

Target thickness/mm	Failure pattern	Impact velocity/ (m·s^–1)	Damage area of the projectile surface/ (mm×mm)	Damage area of back elastic surface/ (mm×mm)
5	Local penetration	328	10.92×9.60	11.55×12.24
5	Complete penetration	340	13.76×10.50	23.10×25.10
10	Local penetration	398	10.63×10.21	29.80×31.42
10	Complete penetration	412	14.56×10.36	30.30×17.22
15	Local penetration	443	16.26×8.35
15	Complete penetration	453	15.49×11.22	33.23×24.05

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表 3 钢破片材料参数

Table 3. Material parameters of steel fragment

$\rho$ /(g·cm^–3)	G/GPa	A/MPa	B/MPa	n	c	M	T_M/K	T_R/K
7.83	0.77	792	510	0.26	0.014	1.03	1793	294

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表 4 试验和数值模拟得到的弹道极限误差

Table 4. Ballistic limit error of test and numerical simulation

Target thickness/mm	Ballistic limit velocity/(m·s^–1)		Deviation/%
Target thickness/mm	Test	Simulation	Deviation/%
5	334	307.76	7.86
10	405	394.78	2.52
15	448	437.55	2.33

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碳纤维复合靶板抗破片冲击性能研究

doi: 10.11858/gywlxb.20240720

作者简介: 李巧歌（1999－），女，硕士研究生，主要从事高效毁伤理论与技术、弹箭结构设计等研究. E-mail：1901041103@st.nuc.edu.cn

通讯作者: 梁增友（1969－），男，博士，教授，主要从事弹药装药与安全技术、弹箭高效毁伤与控制技术、弹箭结构设计与仿真、新型远程弹技术等研究. E-mail：liangzy@nuc.edu.cn

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出版历程

Study on Anti-Fragment Impact Performance of Carbon Fiber Reinforced Plastics

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出版历程

目录

作者简介:
李巧歌（1999－），女，硕士研究生，主要从事高效毁伤理论与技术、弹箭结构设计等研究. E-mail：1901041103@st.nuc.edu.cn

通讯作者:
梁增友（1969－），男，博士，教授，主要从事弹药装药与安全技术、弹箭高效毁伤与控制技术、弹箭结构设计与仿真、新型远程弹技术等研究. E-mail：liangzy@nuc.edu.cn