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Volume 17 Issue 4
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Chinese Journal of High Pressure Physics  > 2003  >  17(4): 305-310 .
ZHANG Lin, ZHANG Zu-Gen, QIN Xiao-Yun, PENG Jian-Xiang, CAI Ling-Cang, LI Yong-Chi. Dynamic Fracture and Mechanical Property of D6A, 921 and 45 Steels under Low Shock Pressure[J]. Chinese Journal of High Pressure Physics, 2003, 17(4): 305-310 . doi: 10.11858/gywlxb.2003.04.011
Citation: ZHANG Lin, ZHANG Zu-Gen, QIN Xiao-Yun, PENG Jian-Xiang, CAI Ling-Cang, LI Yong-Chi. Dynamic Fracture and Mechanical Property of D6A, 921 and 45 Steels under Low Shock Pressure[J]. Chinese Journal of High Pressure Physics, 2003, 17(4): 305-310 . doi: 10.11858/gywlxb.2003.04.011
shu

Dynamic Fracture and Mechanical Property of D6A, 921 and 45 Steels under Low Shock Pressure

doi: 10.11858/gywlxb.2003.04.011
  • 1.

    Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Mianyang 621900, China;

  • 2.

    University of Science and Technology of China, Hefei 230027, China

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  • Corresponding author: ZHANG Lin
  • Received Date: 16 Sep 2002
  • Rev Recd Date: 30 Nov 2002
  • Publish Date: 05 Dec 2003
    Abstract
  • The behaviors of dynamic damage and fracture of D6A, 921, 45 steels were studied via symmetric impact experiments. Using the double wave structure of the free-surface velocity profile and the material longitudinal elastic wave speed at room temperature, we obtained the D-up Hugoniot relations for the three steels. The Hugoniot elastic limits and spall strengths of the three steels were also obtained. A new simple phenomenal equation for describing the evolution of damage was proposed, with which the experimental spall processes were simulated.

     

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