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Chinese Journal of High Pressure Physics  > 2014  >  28(4): 455-460.
GAO Yong-Hong, PANG Rui-Qiang, WANG Feng-Ying, GU Xiao-Hui. Effect of Material Particle Size on the Properties of Powder Liner[J]. Chinese Journal of High Pressure Physics, 2014, 28(4): 455-460. doi: 10.11858/gywlxb.2014.04.011
Citation: GAO Yong-Hong, PANG Rui-Qiang, WANG Feng-Ying, GU Xiao-Hui. Effect of Material Particle Size on the Properties of Powder Liner[J]. Chinese Journal of High Pressure Physics, 2014, 28(4): 455-460. doi: 10.11858/gywlxb.2014.04.011
shu

Effect of Material Particle Size on the Properties of Powder Liner

doi: 10.11858/gywlxb.2014.04.011
  • 1.

    School of Chemical Engineering and Environment, North University of China, Taiyuan 030051, China

  • 2.

    School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

  • 3.

    Physical and Chemical Metrology Center, Jinxi Industrial Group Co., Ltd, Taiyuan 030051, China

  • Received Date: 18 Aug 2012
  • Rev Recd Date: 31 Oct 2012
    Abstract
  • In order to investigate the influence of particle size of powder material and its distribution on the properties of powder liner, W and Cu powders were chosen as the main material of shaped charge liner, and a bit of bismuth powder was added to increase the liquidity of the mixed powders.The particle properties of the W and Cu powders were studied by means of scanning electron microscopy.It showed that the W powder was regular, while the Cu powder was irregular.In the condition of material mixture ratio being certain, three sets of liners were developed through changing the particle size of each component, and their microstructure, density, Vickers hardness and penetration power were studied.The results show that reducing the particle size can effectively improve the compactness, density and penetration power of powder liner when the powder material properties and proportion are unchanged, but it has no significant effect on the Vickers hardness of powder liner.

     

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