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Volume 32 Issue 3
Apr 2018
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Chinese Journal of High Pressure Physics  > 2018  >  32(3): 035103.
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
Citation: 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
  • 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.

     

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