Theoretical Study of the Perforation of Double-Layered Metal Targets without Spacing Struck by Flat-Ended Projectiles

REN Shanliang; WEN Heming; ZHOU Lin

doi:10.11858/gywlxb.20170695

Volume 32 Issue 3

Apr 2018

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Chinese Journal of High Pressure Physics > 2018 > 32(3): 035103.

DAI Xianghui, ZHOU Gang, SHEN Zikai, LI Pengjie, CHU Zhe, WANG Kehui, DUAN Jian, HU Yutao, YANG Hui. Experimental Study of High-Speed Projectile Penetration/Perforation into Reinforced Concrete Targets[J]. Chinese Journal of High Pressure Physics, 2019, 33(5): 055101. doi: 10.11858/gywlxb.20180672

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REN Shanliang, WEN Heming, ZHOU Lin. Theoretical Study of the Perforation of Double-Layered Metal Targets without Spacing Struck by Flat-Ended Projectiles[J]. Chinese Journal of High Pressure Physics, 2018, 32(3): 035103. doi: 10.11858/gywlxb.20170695

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Theoretical Study of the Perforation of Double-Layered Metal Targets without Spacing Struck by Flat-Ended Projectiles

doi: 10.11858/gywlxb.20170695

CAS Key Laboratory for Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230027, China

Received Date: 21 Dec 2017
Rev Recd Date: 08 Jan 2018

Abstract

Abstract

A monolithic metal plate is usually replaced with a double-layered metal target with the same thickness to improve the ballistic limit in practical engineering.This paper presents a theoretical study of the perforation of a double-layered metal target without spacing by a flat-nosed projectile.Based on the previous analytical work and experimental observations a new theoretical model was proposed to predict the peroration of the double-layered metal target in comparison with the test data available.It was found that the predictions made from the present model are in good agreement with the test data.It was also found that the ballistic limit for a double-layered metal target is considerably higher than that for a monolithic one when its thickness is larger than the critical thickness at which adiabatic shear plugging occurs; that the ballistic limits are more or less the same for both targets when the total thickness is below the critical value.
- flat-ended projectile,
- double-layered metallic target,
- theoretical model,
- ballistic limit

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References(12)

References

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Theoretical Study of the Perforation of Double-Layered Metal Targets without Spacing Struck by Flat-Ended Projectiles

doi: 10.11858/gywlxb.20170695

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Theoretical Study of the Perforation of Double-Layered Metal Targets without Spacing Struck by Flat-Ended Projectiles

doi: 10.11858/gywlxb.20170695

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