Ballistic limit and damage properties of basalt/Kevlar stuffed shield

Jia Guzhai; Ha Yue; Pang Baojun; Guan Gongshun; Zu Shiming

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

Volume 36 Issue 4

Oct. 2018

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Jia Guzhai, Ha Yue, Pang Baojun, Guan Gongshun, Zu Shiming. Ballistic limit and damage properties of basalt/Kevlar stuffed shield[J]. Explosion And Shock Waves, 2016, 36(4): 433-440. doi: 10.11883/1001-1455(2016)04-0433-08

Citation:

Jia Guzhai, Ha Yue, Pang Baojun, Guan Gongshun, Zu Shiming. Ballistic limit and damage properties of basalt/Kevlar stuffed shield[J]. Explosion And Shock Waves, 2016, 36(4): 433-440. doi: 10.11883/1001-1455(2016)04-0433-08

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Ballistic limit and damage properties of basalt/Kevlar stuffed shield

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

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

Received Date: 2014-12-08
Rev Recd Date: 2015-05-14
Publish Date: 2016-07-25

Abstract

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

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References(14)

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