空爆冲击波与破片群联合作用下聚脲涂覆陶瓷复合装甲结构毁伤特性

李茂; 高圣智; 侯海量; 李典; 李永清; 朱锡

doi:10.11883/bzycj-2019-0119

空爆冲击波与破片群联合作用下聚脲涂覆陶瓷复合装甲结构毁伤特性

doi: 10.11883/bzycj-2019-0119

李茂¹,
高圣智²,
侯海量^2, ,,
李典²,
李永清²,
朱锡²

1.
海军研究院，北京 100161
2.
海军工程大学舰船与海洋学院，湖北武汉 430033

基金项目: 国家自然科学基金（51479204，51679246）；国家安全重大基础研究项目（613305）；“十三五”装备预研项目（41422010902）

详细信息

作者简介:
李　茂（1991－　），男，博士，工程师，limao19910224@163.com

通讯作者:
侯海量（1977－　），男，博士，副教授，hou9611104@163.com

中图分类号: O385; TB333
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- 被引次数: 0
出版历程
- 收稿日期: 2019-04-09
- 修回日期: 2020-01-13
- 刊出日期: 2020-11-05

Damage characteristics of polyurea coated ceramic/steel composite armor structures subjected to combined loadings of blast and high-velocity fragments

1.
Naval Research Academy, Beijing 100161, China
2.
College of Naval Architecture and Ocean Engineering, Naval University of Engineering, Wuhan 430033, Hubei, China

摘要

摘要: 基于均质钢板、聚脲涂层材料、SiC陶瓷材料设计了4种聚脲涂覆复合装甲结构，采用装药驱动预制破片试验方法开展了近炸下复合装甲结构毁伤特性实验研究，提出了各组分的毁伤破坏模式，对比分析了4种防护装甲结构的防护性能，探讨了复合装甲结构的防护机理。结果表明：作用于目标结构的破片动能远大于冲击波能，聚脲涂覆复合装甲结构的防护效能明显优于多层均质钢装甲，增加陶瓷厚度较增加背板、前面板厚度对提高整体防护效能更有效，破片撞击将引起陶瓷块大面积损伤，严重影响了其对后续着靶破片的防护性能。
- 联合毁伤 /
- SiC陶瓷 /
- 聚脲涂层 /
- 复合装甲结构
Abstract: Four types of polyurea coated composite armor structures were designed based on steel plates, SiC ceramic tiles and polyurea coatings. The near-field explosion damage characteristics of the composite armor structures were experimentally studied using the method of charge driven prefabricated fragments. The failure modes of the components of the armor structures were proposed, the protection performances of the armor structures were comparatively analyzed and the protection mechanisms were investigated. The experimental results indicate that the impact energy acted on the structures by the prefabricated fragments is far greater than that of the blast wave. The protection performances of the polyurea coated composite armor structures are much better than those of the multi-layer steel structures. Increasing the thickness of ceramic tiles can enhance the protection performance more efficiently than increasing the thickness of the front plate or back plate. Under the impact of fragment cluster, ceramic tiles are damaged on a large scale, and the anti-penetration capability against subsequent hitting fragments will be severely weakened.
- combined damage /
- SiC ceramic /
- polyurea coating /
- composite armor

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图 1 复合装甲结构实物

Figure 1. Experimental target plates

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图 2 实验布置照片和示意图

Figure 2. Photo and schematic of the experimental setup

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图 3 靶板中线各点冲击波和破片着靶时间及超压峰值分布图

Figure 3. Peak overpressure, hitting time of impact wave and fragments distribution of center-line

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图 4 前面板、抗弹层迎爆面变形破坏形貌

Figure 4. Damage appearance of front plate and anti-fragments layer for different configurations

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图 5 各结构型式靶板基板、背板变形破坏形貌

Figure 5. Damage appearance of base plate and back plate for different configurations

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图 6 各结构型式靶板前面板、基板、背板侧视图

Figure 6. Side view of front plate, base plate and back plate for different configurations

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图 7 各实验工况钢质基板、背板隆起变形轮廓

Figure 7. Deformation profiles of steel plate in different armor configurations

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图 8 C3、C4实验工况中钢质基板、背板迎爆面穿孔及弹坑分布

Figure 8. Distribution of perforations and craters on the base plates and back plates in conditions C3 and C4

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图 9 收集到的残余陶瓷碎片、结构碎片和预制破片

Figure 9. Residual SiC tiles, structure fragments and prefabricated fragments

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图 10 防护装甲结构各组分的穿孔数量

Figure 10. Numbers of perforations of each component for different composite armor configurations

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表 1 模型结构组成

Table 1. Structures of experimental models

编号	结构组成	面密度ρ_A /(kg·m⁻²)
C1	1S+1PU+2SiC+1PU+2S：1 mm前面板+1 mm止裂层+2 mm 陶瓷层+1 mm缓冲层+2 mm基板	29.34
C2	1PU+2SiC+1PU+2S+1S：1 mm止裂层+2 mm 陶瓷层+1 mm缓冲层+2 mm基板+1 mm背板	29.34
C3	1PU+2SiC+1PU+2S+2S：1 mm止裂层+2 mm 陶瓷层+1 mm缓冲层+2 mm基板+2 mm背板	36.09
C4	1PU+3SiC+1PU+2S+2S：1 mm止裂层+3 mm 陶瓷层+1 mm缓冲层+2 mm基板+2 mm背板	39.24
注：名义厚度为1、2 mm的均质钢板，实测厚度分别为0.90、1.76 mm；聚脲止裂层、聚脲缓冲层的名义涂覆厚度均为1 mm；SiC陶瓷层名义厚度为2 mm或3 mm（与实测值相当）。

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表 2 各模型各组分穿孔及弹坑统计结果

Table 2. A comparison of perforation and crates on each steel plate of different models

模型	前面板	抗弹层基板	背板
1S+1PU+2SiC+1PU+2S	66个穿孔	≥23个穿孔，≤43个弹坑
1PU+2SiC+1PU+2S+1S		24个穿孔，42个弹坑	22个穿孔，44个弹坑
1PU+2SiC+1PU+2S+2S		23个穿孔，41个弹坑（破片环1～3分别有3、8、10个穿孔）	14个穿孔，50个弹坑（破片环1～3分别有1、4、7个穿孔）
1PU+3SiC+1PU+2S+2S		3个穿孔，61个弹坑（破片环1～3分别有0、1、2个穿孔）	1个穿孔，63个弹坑（破片环1～3分别有0、1、0个穿孔）

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