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Volume 35 Issue 3
Jun 2021
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Chinese Journal of High Pressure Physics  > 2021  >  35(3): 034204.
HUANG Weiyin, CHEN Gang, LI Juncheng, ZHANG Fangju. Hemispherical and Flat Head Cylindrical Specimen Taylor Impact[J]. Chinese Journal of High Pressure Physics, 2021, 35(3): 034204. doi: 10.11858/gywlxb.20200643
Citation: HUANG Weiyin, CHEN Gang, LI Juncheng, ZHANG Fangju. Hemispherical and Flat Head Cylindrical Specimen Taylor Impact[J]. Chinese Journal of High Pressure Physics, 2021, 35(3): 034204. doi: 10.11858/gywlxb.20200643
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Hemispherical and Flat Head Cylindrical Specimen Taylor Impact

doi: 10.11858/gywlxb.20200643

  • Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

  • Received Date: 30 Nov 2020
  • Rev Recd Date: 18 Dec 2020
    Abstract
  • In order to understand the impact loading of Taylor impact process with head shape changes, numerical simulation studies were carried out on the basis of static and dynamic mechanical performance experiments and Taylor impact experiments, and the contact force, velocity and dimensions of the specimen during the impact process were studied. The change history of the parameters is analyzed. The results show that: under the same impact speed, the plastic deformation of the hemispherical head specimen is greater; the impact load of the hemispherical head specimen has a slower rising edge and the load pulse time increases, and the amplitude of the load platform section of the two specimens is almost the same. According to the results of experiments and numerical simulations, the applicability of Hopkinson bar measuring Taylor impact load history was further analyzed and discussed.

     

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