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Petalling of a Thin Metal Plate Struck by a Conical-Nosed Projectile

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Abstract

A theoretical study is presented herein on the petalling of a fully-clamped thin metal plate struck by a rigid conical-nosed projectile. It is assumed that the energy absorbed in the petalling process consists of two parts, one part is due to the local deformation during the hole formation and the other is from the global response such as bending and membrane stretching. Various energy absorbing mechanisms are delineated and an approximate equation for the ballistic limit is obtained. It transpires that the predictions from the present model are in good agreement with test data available when the sensitivity of the strain rate of the material is taken into account.

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Authors and Affiliations

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

    Qiaoguo Wu & Heming Wen

  2. National Technology Research Center on Pressure Vessels and Pipelines Safety Engineering, Hefei General Machinery Research Institute, 230031, Hefei, China

    Qiaoguo Wu

Authors
  1. Qiaoguo Wu
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  2. Heming Wen
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Corresponding author

Correspondence to Heming Wen.

Additional information

Project supported by the National Natural Science Foundation of China (No. 51305122).

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Wu, Q., Wen, H. Petalling of a Thin Metal Plate Struck by a Conical-Nosed Projectile. Acta Mech. Solida Sin. 28, 568–577 (2015). https://doi.org/10.1016/S0894-9166(15)30050-1

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  • DOI: https://doi.org/10.1016/S0894-9166(15)30050-1

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