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Chinese Journal of High Pressure Physics  > 2009  >  23(1): 37-41 .
CUI Xin-Lin, LI Ying-Jun, ZHU Wen-Jun, QI Mei-Lan, WANG Hai-Yan, HE Hong-Liang, LIU Jian-Jun. Micro-Analysis of the Void Growth of Aluminum under Shock Loading[J]. Chinese Journal of High Pressure Physics, 2009, 23(1): 37-41 . doi: 10.11858/gywlxb.2009.01.006
Citation: CUI Xin-Lin, LI Ying-Jun, ZHU Wen-Jun, QI Mei-Lan, WANG Hai-Yan, HE Hong-Liang, LIU Jian-Jun. Micro-Analysis of the Void Growth of Aluminum under Shock Loading[J]. Chinese Journal of High Pressure Physics, 2009, 23(1): 37-41 . doi: 10.11858/gywlxb.2009.01.006
shu

Micro-Analysis of the Void Growth of Aluminum under Shock Loading

doi: 10.11858/gywlxb.2009.01.006
  • 1.

    School of Mechanics and Civil Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China;

  • 2.

    National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China;

  • 3.

    School of Science, Wuhan University of Technology, Wuhan 430070, China;

  • 4.

    School of Science, Beijing University of Chemical Technology, Beijng 100029, China

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  • Corresponding author: HE Hong-Liang
  • Received Date: 20 Aug 2008
  • Rev Recd Date: 26 Sep 2008
  • Issue Publish Date: 15 Feb 2009
    Abstract
  • The distribution of micro-voids in aluminum under shock loading has been investigated by means of SEM (Scanning Electron Microscope) and TEM (Transmission Electron Microscope). Results show that plenty of nano-voids have been produced in the shocked aluminum. Most of the void sizes are hundred nanometers. They distribute inhomogeneity, and connect together as a band. Further analysis of the micro-voids indicate that a lot of dislocations are generated around the voids, and the emission direction is in the {111} planes, which are the closed-packed planes of the face-centered cubic metal. The emission direction of the dislocations is excellently agreement with the molecular dynamics (MD) simulation.

     

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