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Inertial and elastic-plastic effect on spallationdamage of ductile metals

Zhang Feng-Guo Zhou Hong-Qiang Zhang Guang-Cai Hong Tao

Inertial and elastic-plastic effect on spallationdamage of ductile metals

Zhang Feng-Guo, Zhou Hong-Qiang, Zhang Guang-Cai, Hong Tao
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  • Received Date:  09 April 2010
  • Accepted Date:  31 August 2010
  • Published Online:  15 July 2011

Inertial and elastic-plastic effect on spallationdamage of ductile metals

  • 1. Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

Abstract: The influences of inertia, elastic-plastic effect and initial void size are studied on the damage evolution in spallation of ductile metals under planar impact loading by using the hollow spheroid model. Numerical analysis indicates that inertia, elastic-plastic effect and initial void size each have a significant influence. Influence of Initial damage or initial void size on spallation damage cannot be neglected. In this paper we attempt to develop a method to analyse initial void size due to its importance on spallation damage.

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