玄武岩/Kevlar纤维布填充防护结构撞击极限及损伤特性

贾古寨; 哈跃; 庞宝君; 管公顺; 祖士明

doi:10.11883/1001-1455(2016)04-0433-08

玄武岩/Kevlar纤维布填充防护结构撞击极限及损伤特性

doi: 10.11883/1001-1455(2016)04-0433-08

贾古寨^{1, 2},
哈跃^1, ,,
庞宝君¹,
管公顺¹,
祖士明¹

1.
哈尔滨工业大学航天学院, 黑龙江哈尔滨 150001
2.
中国兵器工业第五二研究所烟台分所, 山东烟台 264003

基金项目:

国家自然科学基金项目 11172083

详细信息

作者简介:
贾古寨(1989—)，男，硕士，实习研究员

通讯作者:
哈跃，hayue@hit.edu.cn

中图分类号: O381
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- 被引次数: 2
出版历程
- 收稿日期: 2014-12-08
- 修回日期: 2015-05-14
- 刊出日期: 2016-07-25

Ballistic limit and damage properties of basalt/Kevlar stuffed shield

1.
School of Astronautics, Harbin Institute of Technology, Harbin 150001, Heilongjiang, China
2.
Yantai Branch, No.52 Institute of China Ordnance Industries, Yantai 264003, Shandong, China

摘要

摘要: 为了研究玄武岩/Kevlar纤维布填充防护结构的撞击极限和损伤特性，采用非火药驱动二级轻气炮进行超高速撞击实验，拟合撞击极限曲线，并与Nextel/Kevlar填充防护结构及三层铝防护结构进行比较。结果表明：玄武岩/Kevlar填充防护结构具有和Nextel/Kevlar填充防护结构类似的防护效果，防护性能优于三层铝防护结构。进一步研究填充防护结构铝合金防护屏、纤维布填充层及铝合金舱壁的损伤形式，分析了造成防护屏、填充层与舱壁不同损伤形貌的原因，探索了玄武岩/Kevlar纤维布填充防护结构的防护机理，得出玄武岩纤维布填充层使弹丸碎化，而Kevlar填充层消耗、吸收和分散弹丸或碎片云的能量。
- 爆炸力学 /
- 撞击极限 /
- 超高速撞击 /
- 填充防护结构 /
- 玄武岩纤维布 /
- 损伤特性
Abstract: In order to study the ballistic limits and damage properties of the basalt/Kevlar stuffed shields, hypervelocity impact tests were carried out by non-power two-stage light-gas gun facilities. The ballistic limit curves were fitted with the test data, and compared with those of the Nextel/Kevlar stuffed shields and the all-aluminum triple-wall shields with the same areal density. The results indicate that the protection property of the basalt/Kevlar stuffed shields is the same as that of the Nextel/Kevlar stuffed shields, and better than that of the all-aluminum triple-wall shields. Further, the hypervelocity impact damage properties of the first bumper, the stuffed layer, and the rear wall were investigated. The reasons were analyzed which caused the damage types of the bumpers different, and the protection mechanisms of the basalt/Kevlar stuffed shields were explored. The results show that the basalt fabrics broke the aluminum projectiles into pieces, and the Kevlar fabrics absorbed and dissipated the energy of the aluminum projectiles or debris clouds.
- mechanics of explosion /
- ballistic limit /
- hypervelocity impact /
- stuffed shield /
- basalt fabric /
- damage properties

HTML全文

图 1 玄武岩/Kevlar纤维布填充防护结构示意图

Figure 1. Experimental configuration of basalt/Kevlar stuffed Whipple shield

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图 2 玄武岩/Kevlar纤维布填充防护结构撞击极限曲线

Figure 2. Ballistic limit curves of basalt/Kevlar stuffed shield

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图 3 防护屏超高速撞击穿孔损伤

Figure 3. Perforation damage in the first bumper by hypervelocity impact

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图 4 防护屏穿孔直径随撞击速度的变化

Figure 4. Hole diameter in the first bumper via impact velocity

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图 5 填充层超高速撞击损伤

Figure 5. Hypervelocity impact damage of stuffed layer

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图 6 填充层纤维丝微损伤形态

Figure 6. Micro-damage of filaments in stuffed layer

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图 7 舱壁的超高速撞击损伤

Figure 7. Hypervelocity impact damage of rear wall

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图 8 玄武岩/Kevlar纤维布填充防护结构防护机理

Figure 8. Protection mechanism of basalt/Kevlar stuffed shields

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表 1 玄武岩/Kevlar纤维填充防护结构超高速撞击实验结果

Table 1. Results of hypervelocity impact tests for basalt/Kevlar stuffed shields

实验编号	d_p/mm	v/(km·s^-1)	D_h/mm	舱壁损伤	防护效果
SW-33	7.94	0.650	8.15	鼓包	有效
SW-22	7.94	0.680	8.26	鼓包	有效
SW-32	7.94	0.750	8.42	穿孔	失效
SW-34	7.94	0.868	8.61	穿孔	失效
SW-26	7.94	0.977	8.73	穿孔	失效
SW-24	7.94	1.076	8.41	穿孔	失效
SW-23	7.94	1.097	8.65	穿孔	失效
SW-01	6.35	0.818	6.81	鼓包	有效
SW-02	6.35	0.940	7.74	微裂纹	失效
SW-04	6.35	0.974	7.01	微裂纹	失效
SW-05	6.35	1.112	7.30	微裂纹	失效
SW-03	6.35	1.149	7.09	穿孔	失效
SW-25	6.35	1.259	7.66	穿孔	失效
SW-13	4.76	1.374	6.04	鼓包	有效
SW-12	4.76	1.525	6.06	开裂	失效
SW-11	4.76	1.595	6.06	穿孔	失效
SW-08	3.97	1.211	5.58	鼓包	有效
SW-09	3.97	1.776	5.62	开裂	失效
SW-07	3.97	1.972	5.74	穿孔	失效
SW-06	3.97	2.242	6.05	穿孔	失效
SW-10	6.35	4.438	10.51	穿孔	失效
SW-47	6.35	4.443	10.34	穿孔	失效
SW-49	6.35	4.450	10.55	微裂	失效
SW-48	6.35	4.700	10.63	鼓包	有效
SW-18	4.76	3.205	7.76	穿孔	失效
SW-40	4.76	3.550	7.56	穿孔	失效
SW-19	4.76	3.572	7.51	穿孔	失效
SW-20	4.76	3.572	7.92	双鼓包	有效
SW-45	4.76	3.660	8.05	微鼓包	有效
SW-36	4.76	3.910	8.31	微鼓包	有效
SW-42	3.97	2.660	6.32	穿孔	失效
SW-43	3.97	2.660	6.55	微裂纹	失效
SW-16	3.97	2.809	6.44	穿孔	失效
SW-46	3.97	2.860	6.71	微裂纹	失效
SW-17	3.97	2.907	6.60	微裂纹	失效
SW-15	3.97	3.379	6.90	微鼓包	有效
SW-14	3.97	3.572	7.09	鼓包	有效

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