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Investigation into Damage of Woven Stuffed Shield Impacted by High-Velocity Nonmetallic Projectile |
GUAN Gongshun**( ), LI Hangjie, LIU Jiahe, ZENG Ming |
Department of Astronautics Engineering, Harbin Institute of Technology, Harbin 150080, China |
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Cite this article:
GUAN Gongshun, LI Hangjie, LIU Jiahe, ZENG Ming. Investigation into Damage of Woven Stuffed Shield Impacted by High-Velocity Nonmetallic Projectile. Chinese Journal of Materials Research, 2016, 30(5): 329-335.
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Abstract A two-stage light gas gun is used to launch nonmetallic projectiles, which were heated cyclically before launch, impacting on woven stuffed shield. The damage model of woven stuffed shield impacted by projectiles of different materials was acquired. The effect of cyclic heating of nonmetallic projectile on the fragmentation characteristics of the projectile and the damage of woven stuffed shield was investigated. The nonmetallic projectile was heated cyclically in a temperature range of 20-150℃. Impact velocities of projectile varied in a range of 1.52-3.26 km/s. The impact angle was 0°. The results indicate that the perforation diameter of thin Al-plate impacted by ceramic projectile is smaller than that by Al-sphere when the size of the two projectiles are the same. The cyclically heated projectiles of ceramic and nylon can cause larger center impact perforations of woven stuffed bumper. Furthermore, the cyclic heating could enhance the damage capability of ceramic projectile but weaken that of nylon projectile on woven stuffed shield.
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Received: 11 June 2015
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Fund: *Supported by National Nature Science Foundation of China No.11172083 |
About author: **To whom correspondence should be addressed, Tel: (0451)86417978, E-mail: hitggsh@163.com |
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