弹体侵彻YAG透明陶瓷/玻璃的剩余深度

陈贝贝; 张先锋; 邓佳杰; 章健; 包阔; 谈梦婷

doi:10.11883/bzycj-2019-0372

弹体侵彻YAG透明陶瓷/玻璃的剩余深度

doi: 10.11883/bzycj-2019-0372

1.
南京理工大学机械工程学院，江苏南京 210094
2.
中国科学院上海硅酸盐研究所，上海 201899

基金项目: 国家自然科学基金(11772159)；中央高校基本科研业务费专项资金(30917011104)；高性能陶瓷和超微结构国家重点实验室开放基金(SKL201602SIC)

详细信息

作者简介:
陈贝贝（1993－　），男，硕士研究生，r.chan@njust.edu.cn

通讯作者:
张先锋（1978－　），男，博士，教授，lynx@njust.edu.cn

中图分类号: O383
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- 被引次数: 0
出版历程
- 收稿日期: 2019-09-25
- 修回日期: 2019-11-13
- 网络出版日期: 2020-06-25
- 刊出日期: 2020-08-01

Residual penetration depth of a projectile into YAG transparent ceramic/glass

1.
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
2.
Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China

摘要

摘要: 为了研究钇铝石榴石(yttrium aluminum garnet, YAG)透明陶瓷及玻璃材料的抗弹性能和冲击破坏机制，开展了12.7 mm穿甲燃烧弹侵彻YAG透明陶瓷/玻璃的剩余侵彻深度实验研究。基于变形侵彻和刚性侵彻机制建立理论模型分析子弹撞击YAG透明陶瓷和玻璃的作用过程，并利用空腔膨胀模型确定了剩余弹体对2024T351航空铝的剩余侵彻深度。实验结果表明：YAG透明陶瓷对子弹有较强的破碎作用，其防护能力显著高于玻璃材料。理论模型计算得到的剩余弹体质量和侵彻深度结果与实验结果吻合较好，可见本文建立的理论模型可用于评估不同面板材料的抗弹性能。
- YAG透明陶瓷 /
- 玻璃 /
- 侵彻深度 /
- 侵彻弹道 /
- 理论模型
Abstract: In order to study the projectile-proof performance and impact damage mechanism of yttrium aluminum garnet (YAG) transparent ceramic and glass, the residual penetration depths of 12.7 mm armor-piercing projectiles penetrating into YAG transparent ceramic/glass were experimentally studied. A theoretical model was established based on the mechanism of deformation penetration and rigid penetration to analyze the processes of the projectiles impacting the YAG transparent ceramic and glass, and the cavity penetration model was used to determine the residual penetration depth of the projectile into the 2024T351 aluminum. The experimental results show that the YAG transparent ceramic has a strong crushing effect on projectiles, and its projectile-proof ability is significantly better than that of the silicate glass. The mass of the residual projectile and the penetration depth calculated by the theoretical model agree well with the experimental results. So the established model can be used to evaluate the projectile-proof performances of different panel materials.
- YAG transparent ceramic /
- glass /
- penetration depth /
- penetration trajectory /
- theoretical model

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图 1 剩余穿深试验用弹体和靶体以及试验原理

Figure 1. Projectile, target and principle of residual penetration test

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图 2 试验靶体的典型破坏形态

Figure 2. Damage morphologies in targets used in tests

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图 3 靶板中的侵彻弹道

Figure 3. Penetration trajectories in targets

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图 4 侵彻弹道对比

Figure 4. Comparison of penetration trajectories

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图 5 试验回收弹体

Figure 5. Recycled projectiles after tests

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图 6 侵彻过程示意图

Figure 6. Diagram of penetration

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图 7 尖卵形弹体弹形示意图

Figure 7. Diagram of an ogive-nosed projectile

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图 8 弹体质量损失计算模型的试验验证

Figure 8. Experimental verification of the calculation model for projectile mass loss

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图 9 模型预测结果与试验结果对比

Figure 9. Comparison of model prediction results with experimental results

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图 10 透明陶瓷厚度对剩余侵深的影响

Figure 10. Effect of transparent ceramic thickness on residual depth of penetration

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图 11 陶瓷厚度对弹体质量损失和剩余弹体速度的影响

Figure 11. Effects of ceramic thickness on mass loss and residual velocity of a projectile

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图 12 弹体强度对剩余侵彻深度的影响

Figure 12. Effect of projectile strength on depth of penetration

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图 13 弹体强度对侵彻过程的影响

Figure 13. Effects of different projectile strengths on penetration process

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图 14 不同撞击速度下剩余侵彻深度与陶瓷锥半锥角的关系

Figure 14. Relation of residual depth of penetration to the semi-angle of the ceramic cone under different impact velocities

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表 1 靶体尺寸及材料参数

Table 1. Sizes and material parametes for targets

材料	长/mm	宽/mm	高/mm	密度/(g·cm⁻³)	面密度/(kg·m⁻²)
YAG透明陶瓷	81.4	69.7	9.2	4.55	41.86
硅酸盐玻璃	100.0	100.0	7.9	2.53	20.24
航空铝(2024T351)	120.0	120.0	120.0	2.78

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表 2 剩余侵彻深度试验结果

Table 2. Experimental results of residual depth of penetration

试验	弹速/(m·s⁻¹)	面板材料	剩余穿深/mm	防护因数
1-1	833.4	2024T351航空铝	70.0	1.000
1-2	835.4	2024T351航空铝	69.0	1.000
2-1	836.0	YAG透明陶瓷	29.0	1.589
2-2	838.1	YAG透明陶瓷	28.8	1.596
3-1	835.9	硅酸盐玻璃	56.5	1.098
3-2	834.4	硅酸盐玻璃	55.5	1.115

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表 3 弹靶材料动态强度

Table 3. Dynamic strength of projectile and target materials

材料	动态屈服强度/MPa
弹芯(高碳钢)	1 600
YAG透明陶瓷	3 400
硅酸盐玻璃	510^[15]
2024航空铝	400

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表 4 尖卵形弹体参数

Table 4. Parameters of the ogive-nosed projectile

参数	数值及单位	参数	数值
弹体强度Y_p	1.6 GPa^[16]	N₁	1.09
弹体初速v₀	835 m/s	N₂	0.112 7
铝合金Y	400 MPa^[19]	N^*	0.106 9
铝合金E	70 GPa^[19]	Ψ	2.988
玻璃强度σ_t	5.1 GPa^[18]	μ_m	0.02
A	3.64	φ₀	56.38°
B	1.15

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