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Volume 35 Issue 3
Jun 2021
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Chinese Journal of High Pressure Physics  > 2021  >  35(3): 035101.
ZHANG Chaoxia, LIU Yingbin, HU Xiaoyan, ZHANG Zeng, XUE Ruifeng, YANG Li, YUAN Lei. Damage Characteristics of Steel Targets Penetrated by Cu-Ni-Al and Cu Shaped Charge Jets[J]. Chinese Journal of High Pressure Physics, 2021, 35(3): 035101. doi: 10.11858/gywlxb.20200651
Citation: ZHANG Chaoxia, LIU Yingbin, HU Xiaoyan, ZHANG Zeng, XUE Ruifeng, YANG Li, YUAN Lei. Damage Characteristics of Steel Targets Penetrated by Cu-Ni-Al and Cu Shaped Charge Jets[J]. Chinese Journal of High Pressure Physics, 2021, 35(3): 035101. doi: 10.11858/gywlxb.20200651
shu

Damage Characteristics of Steel Targets Penetrated by Cu-Ni-Al and Cu Shaped Charge Jets

doi: 10.11858/gywlxb.20200651
  • 1.

    School of Environment and Safety Engineering, North University of China, Taiyuan 030051, Shanxi, China

  • 2.

    Military Products Research Institute, Shanxi Jiangyang Chemical Co., Ltd., Taiyuan 030051, Shanxi, China

  • 3.

    Beijing Special Vehicle Research Institute, Beijing 100072, China

  • Received Date: 08 Dec 2020
  • Rev Recd Date: 06 Jan 2021
    Abstract
  • To compare and analyze the macroscopic penetration characteristics and the microstructure characteristics of the 45 steel targets penetrated by Cu-Ni-Al reactive shaped charge jets and inert Cu shaped charge jets, we carried out penetration experiments of the Cu-Ni-Al and Cu shaped charge liner, and used optical microscope (OM), scanning electron microscope (SEM), energy dispersive spectrometer (EDS) and Vickers microhardness measurement system to characterize the recovered steel targets. The experimental results showed that the penetration depth of the Cu-Ni-Al reactive jet on 45 steel was significantly lower than that of the Cu jet, but its average entrance diameter was increased by 33.3%. There was residual jet zone, “white” zone (a mixture of martensite and austenite) and deformation zone in the steel target penetrated by the two shaped charge jets. Compared with the Cu jet, the hardness values of Cu-Ni-Al residual jet zone were increased by 34 MPa, the hardness values of Cu-Ni-Al “white” zone in the tail were increased by 95 MPa, and the hardness values of Cu-Ni-Al “white” zone in the head were reduced by 28 MPa. In “white” zone of target penetrated by two shaped charge jets, the hardness values in the tail were higher than that in the head. The above results can provide a certain reference for evaluating the damage effect of the reactive material liners shaped charge warhead.

     

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