Zr基非晶破片对碳纤维复合靶及后效铝靶的侵彻试验研究

贾杰; 智小琦; 郝春杰; 李劲; 郭璐; 柳星河

doi:10.11858/gywlxb.20230764

Zr基非晶破片对碳纤维复合靶及后效铝靶的侵彻试验研究

doi: 10.11858/gywlxb.20230764

贾杰^1,,
智小琦^1,*, ,,
郝春杰²,
李劲¹,
郭璐¹,
柳星河¹

1.
中北大学机电工程学院, 山西太原　030051
2.
晋西工业集团, 山西太原　030027

基金项目: 中北大学第18届研究生科技立项（20221805）

详细信息

作者简介:
贾　杰（1997－），男，硕士研究生，主要从事弹箭高效毁伤研究. E-mail：565466907@qq.com

通讯作者:
智小琦（1963－），女，博士，教授，主要从事武器毁伤与装药技术研究. E-mail：zxq4060@sina.com

中图分类号: O385
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出版历程
- 收稿日期: 2023-10-22
- 修回日期: 2023-11-10
- 网络出版日期: 2024-03-29
- 刊出日期: 2024-04-05

Experimental Study on the Penetration of Zr-Based Amorphous Fragment into Carbon Fiber Composite Target and Post-Effect Aluminum Target

JIA Jie^1
,,
ZHI Xiaoqi^{1,*
, ,},
HAO Chunjie²,
LI Jin¹,
GUO Lu¹,
LIU Xinghe¹

1.
College of Mechatronics Engineering, North University of China, Taiyuan 030051, Shanxi, China
2.
Jinxi Industries Group, Taiyuan 030027, Shanxi, China

摘要

摘要: Zr基非晶破片是一种新兴的活性高效毁伤元，其着靶速度达到一定阈值时会发生燃烧反应并破碎，从而大幅提高其后效毁伤能力。为研究Zr基非晶破片对碳纤维增强复合材料的侵彻破坏机理及后效毁伤能力，利用弹道枪加载球形破片，分别以496.4～1085.8 m/s、571.4～1103.9 m/s的速度范围撞击8和6 mm厚的碳纤维复合靶，并布置2 mm厚LY12铝靶板作为后效靶，以比较破片在不同工况下的后效毁伤能力。实验结果表明：碳纤维靶受活性破片冲击时，其迎弹面的破坏形式主要是压缩失效与剪切失效的耦合破坏，其背弹面的破坏形式主要是拉伸失效破坏与层间的脱粘分裂；随着破片着靶速度的提高，碳纤维靶板的压剪耦合破坏比例逐渐增加，拉伸断裂与分层现象逐渐减弱；破片对于8和6 mm厚碳纤维靶的弹道极限速度分别为351.9、264.6 m/s；相同着靶速度下，8 mm厚碳纤维靶的后效毁伤面积大于6 mm厚碳纤维靶的后效毁伤面积，两者之间的差异随着着靶速度的提高而逐渐减小；破片冲击等厚度碳纤维靶时，破片的后效毁伤能力随着靶速度的提高而增强。
- Zr基非晶合金 /
- 碳纤维增强复合材料 /
- 后效毁伤能力 /
- 活性破片
Abstract: Zr-based amorphous fragment is an emerging active and efficient destructive element, which will undergo a deflagration reaction and fragmentation when its impact velocity reaches its threshold. The deflagration reaction and fragmentation could greatly increase its behind-armor destructive capability. In order to study the penetration damage mechanism and behind-armor destructive capability of Zr-based amorphous fragments on carbon fiber reinforced composites, a ballistic gun was used to load the spherical fragments to impact 8 and 6 mm thick carbon fiber composite targets at velocities ranging from 496.4 m/s to 1085.8 m/s and 571.4 m/s to 1103.9 m/s, respectively. Then a 2 mm thick LY12 aluminum target plate was arranged behind the target to measure the damage capability under different working conditions. The test results showed that the mainly failure mode of strike face was a coupling failure mode of compression failure and shear failure, and the main failure mode of its back face was a coupling failure mode of tensile failure and the de-sticky splitting of the layer. With the increase of the impact velocity, the proportion of the compression and shear coupling damage of the carbon fiber composite target plate was gradually increased, and the phenomenon of tensile breakage and delamination was gradually decreased. The ballistic ultimate velocities of the fragment for 8 and 6 mm thick carbon fiber composite target were 351.9 and 264.6 m/s, respectively. Behind-armor damage area of the fragment impacted on the 8 mm thick carbon fiber composite target was larger than that of the 6 mm thick carbon fiber target under the same impact velocity. The difference of behind-armor damage area impacted on 8 and 6 mm thick carbon fiber composite targets decreased with the increase of the impact velocity. The behind-armor damage ability of the fragment impacting on the carbon fiber composite target increased with the increase of the impact velocity.
- Zr-based amorphous alloy /
- carbon fiber reinforced composites /
- behind-armor damage capacity /
- active fragment

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图 1 破片、弹托及测试弹体

Figure 1. Fragment, sabot and test cartridge

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图 2 靶板布置

Figure 2. Layout of target plate

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图 3 试验系统示意图

Figure 3. Schematic diagram of the test system

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图 4 Zr基非晶破片侵彻碳纤维靶板的初始速度与剩余速度的关系曲线

Figure 4. Initial velocity versus residual velocity curves for zirconium-based amorphous fragments penetrating a carbon fiber composite target

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图 5 碳纤维靶的典型破坏状态

Figure 5. Typical damage state of carbon fiber composite targets

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图 6 8 mm厚碳纤维靶试验的后效靶毁伤形态

Figure 6. Post-effect target damage patterns for 8 mm thick carbon fiber composite target tests

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图 7 6 mm厚碳纤维靶试验的后效靶毁伤形态

Figure 7. Post-effect target damage patterns for 6 mm thick carbon fiber composite target tests

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图 8 二值化处理过程

Figure 8. Binarization process

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图 9 不同厚度碳纤维工况下破片着靶速度与后效靶破孔面积的关系

Figure 9. Relationship between the fragmentation speed and the post-effect target broken hole area under different thicknesses of carbon fiber composite conditions

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图 10 对照试验组中破片侵彻不同厚度碳纤维后在后效靶上造成的破孔面积

Figure 10. Area of broken holes in the post-effect target caused by broken pieces penetrating different thicknesses of carbon fiber composite targets in the control test group

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图 11 破片以1100 m/s侵彻不同厚度碳纤维靶的图像

Figure 11. Video frames of fragments penetrating carbon fiber composite targets of different thicknesses at 1100 m/s

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表 1 碳纤维复合材料性能参数

Table 1. Performance parameters of carbon fiber composites

E₁/GPa	E₂/GPa	G/GPa	X_T/GPa	X_C/GPa	Y_T/MPa	Y_C/MPa	S_C/MPa	ν	ρ/(kg∙m⁻³)
125	7.8	5.6	2.5	1.1	72	220	92	0.316	1600

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表 2 试验数据

Table 2. Test data

Target plate thickness/mm	Test No.	Impact velocity/(m∙s⁻¹)	Residual velocity/(m∙s⁻¹)	Perforation diameter/mm
8	1	1085.8	764.9	10.17
	2	1008.9	688.3	9.89
	3	904.3	530.6	9.68
	4	790.3	515.7	9.80
	5	691.1	443.2	9.64
	6	679.7	411.6	9.75
	7	496.4	123.1	9.56
6	8	1103.9	931.5	10.14
	9	936.6	724.6	10.07
	10	767.5	590.7	9.85
	11	695.3	537.1	9.67
	12	571.4	442.6	9.57

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表 3 Zr基非晶破片对碳纤维靶板的弹道极限速度及拟合参数

Table 3. Ballistic limits and fitting parameters of zirconium-based amorphous fragments on carbon fiber composite targets

Target plate thickness/mm	a	v₅₀/(m·s⁻¹)
8	0.69	351.9
6	0.84	264.6

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表 4 计算得出的后效靶破孔面积

Table 4. Calculated area of broken holes in the post-effect target

Target plate thickness/mm	No.	S_hole/mm²	Target plate thickness/mm	No.	S_hole/mm²
8	1	528.1	6	8	439.2
	2	493.9		9	312.4
	3	457.5		10	156.0
	4	432.2		11	89.5
	5	367.6		12	80.7
	6	213.8
	7	0

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