锆基非晶合金破片侵彻碳纤维及后效LY12靶的试验研究

王志裕; 智小琦; 王洪伟; 于永利

doi:10.11883/bzycj-2024-0278

锆基非晶合金破片侵彻碳纤维及后效LY12靶的试验研究

doi: 10.11883/bzycj-2024-0278

1.
中北大学机电工程学院，山西太原 030051
2.
山东银光爆破工程有限公司，山东枣庄 277223
3.
吉林江机特种工业有限公司，吉林吉林132000

详细信息

作者简介:
王志裕（1998－　），男，硕士研究生， wzy1223656840@qq.com

通讯作者:
智小琦（1963－　），女，博士，教授， zxq4060@sina.com

中图分类号: O385
计量
- 文章访问数: 116
- HTML全文浏览量: 36
- PDF下载量: 39
- 被引次数: 0
出版历程
- 收稿日期: 2024-08-11
- 网络出版日期: 2024-11-20

Experimental Study of Zr-Based Amorphous Alloy Fragmentation Penetration through CFRP and Post-Effective LY12 Targets

1.
College of Mechatronics Engineering, North University of China, Taiyuan 030051, China
2.
Shandong Yinguang Blasting Engineering Co., Ltd., Zaozhuang 277223, China
3.
Jilin Jiangji Machine Special Industry, Ltd., Jilin 132021, Jilin, China

摘要

摘要: 为研究锆基非晶合金破片侵彻碳纤维损伤机理和后效靶毁伤能力，采用12.7 mm弹道枪开展了球型锆基非晶合金破片侵彻6 mm厚碳纤维靶和后效2 mm厚LY12靶组成的叠合靶和间隔靶的弹道枪试验研究，采用图像识别技术分析了后效LY12靶毁伤的面积。研究结果表明：碳纤维靶毁伤面积与破片速度正相关且无明显扩孔反应，迎弹面主要为纤维剪切破坏和压缩变形毁伤，背弹面则主要为拉伸撕裂破坏以及层间失效。破片冲击相同设置靶板时，LY12靶毁伤面积随速度增加而增大，速度低于954.7 m/s时，间隔靶后效靶LY12靶板毁伤面积小于叠合靶后效靶LY12靶毁伤面积，随着速度提高间隔靶后效LY12靶的毁伤面积快速提高，而叠合靶后效LY12靶的毁伤面积增长趋于平缓，且前者远大于后者。因此，高速撞击时，设置间隔靶对于后效毁伤更有利。
- 锆基非晶合金 /
- 侵彻 /
- 碳纤维 /
- 毁伤能力
Abstract: In order to investigate the damage mechanisms of zirconium-based amorphous alloy fragments penetrating carbon fiber targets and their subsequent effects on target failure, ballistic experiments were conducted using a 12.7 mm ballistic gun. The experiments involved spherical zirconium-based amorphous alloy fragments impacting a composite target system consisting of a 6-mm thick carbon fiber laminate and a 2-mm thick LY12 alloy plate. These targets were arranged in both stacked and spaced configurations to evaluate the effects of target configuration on the damage caused by fragment impact. To quantitatively assess the subsequent damage, image recognition technology was employed to analyze the damage area of the LY12 target after impact.The results indicated that the damage area of the carbon fiber target was positively correlated with the velocity of the impacting fragment, with no significant hole expansion observed. On the front side, damage primarily resulted from fiber shear failure and compressive deformation, while the back face of the carbon fiber laminate exhibited tensile tearing and interlaminar delamination. These findings suggest that the carbon fiber target experienced a combination of mechanical damage modes, including shear and compressive deformation on the impact side, and tensile and delamination failures on the rear face, as a result of the high-velocity impact.In the case of the LY12 aluminum alloy target, the damage area increased with fragment velocity. When the velocity was below 954.7 m/s, the damage area on the LY12 target in the spaced configuration was smaller than that of the stacked configuration. However, as the fragment velocity increased, the damage area of the LY12 target in the spaced configuration grew rapidly, while the damage area in the stacked configuration increased more gradually. At higher velocities, the damage area in the spaced configuration was significantly larger than that in the stacked configuration. This trend suggests that for high-velocity impacts, the spaced configuration of the targets was more effective in promoting greater damage to the LY12 target.
- Zr-based amorphous alloys /
- Intrusion /
- Carbon fibers /
- Destructive capacity

HTML全文

图 1 试验所用破片实物图

Figure 1. Tested fragments

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图 2 两种靶板的装置布置示意图

Figure 2. Schematic of device arrangement of two target plates

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图 3 试验测试系统示意图

Figure 3. Schematic diagram of pilot test system

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图 4 碳纤维靶板的典型毁伤形貌

Figure 4. Typical damage morphology of CFRP target plate

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图 5 叠合靶LY12靶板的毁伤形貌

Figure 5. The damaged appearance of LY12 target plate with laminated target

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图 6 剩余破片回收情况

Figure 6. Recovery of remaining fragments

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图 7 间隔靶碳纤维靶毁伤情况

Figure 7. Carbon fiber damage in interstitial target

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图 8 间隔靶LY12靶板的毁伤形貌

Figure 8. The damage morphology of interstitial target LY12 target

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图 9 剩余破片回收情况

Figure 9. Recovery of remaining fragments

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图 10 不同设置靶板的典型摄像帧

Figure 10. Typical camera frames for different target plate settings

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图 11 两种设置靶中撞击速度与碳纤维靶毁伤面积关系图

Figure 11. Plot of impact velocity versus area of carbon fibre target damage for two target settings

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图 12 二值化结果

Figure 12. Binarization result

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图 13 破片速度和LY12靶毁伤面积曲线拟合

Figure 13. Fitting of fragmentation velocity and LY12 target damage area curves

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表 1 试验结果

Table 1. Experimental results

类型	v/(m·s⁻¹)	穿透碳纤维靶	穿透LY12 靶	类型	v/(m·s⁻¹)	穿透碳纤维靶	穿透LY12 靶
叠合靶	1169.2	是	是	间隔靶	1148.7	是	是
	1049.4	是	是		1103.9	是	是
	926.9	是	是		936.6	是	是
	858.1	是	是		862.9	是	是
	755.6	是	是		807.2	是	是
	734.1	是	是		767.5	是	是
	698.3	是	是		695.3	是	是
	545.4	是	是		619.3	是	是
	420.8	否	否		572.2	是	是

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表 2 不同设置靶板中LY12靶毁伤面积

Table 2. Destruction area of LY12 targets at different set

类型	初始速度/(m·s⁻¹)	LY12毁伤面积/mm²	类型	初始速度/(m·s⁻¹)	LY12毁伤面积/mm²
叠合靶	1169.2	317.4	间隔靶	1148.7	508.2
	1049.4	310.6		1103.9	439.2
	933.6	290.9		936.9	312.4
	858.1	269.3		862.9	206.9
	734.1	377.5		767.5	176.6
	698.3	156.6		695.3	150.0
	545.4	75.3		572.2	80.7
	420.8	0

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