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Volume 32 Issue 3
Apr 2018
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Chinese Journal of High Pressure Physics  > 2018  >  32(3): 035205.
LI Xuejiao, WANG Quan, MA Honghao, YANG Ming, SHEN Zhaowu, BI Zhixiong. Glass Microsphere Based Emulsion Explosive and Application in Explosive Welding[J]. Chinese Journal of High Pressure Physics, 2018, 32(3): 035205. doi: 10.11858/gywlxb.20170651
Citation: LI Xuejiao, WANG Quan, MA Honghao, YANG Ming, SHEN Zhaowu, BI Zhixiong. Glass Microsphere Based Emulsion Explosive and Application in Explosive Welding[J]. Chinese Journal of High Pressure Physics, 2018, 32(3): 035205. doi: 10.11858/gywlxb.20170651
shu

Glass Microsphere Based Emulsion Explosive and Application in Explosive Welding

doi: 10.11858/gywlxb.20170651
  • 1.

    College of Chemical Engineering, Anhui University of Science & Technology, Huainan 232001, China

  • 2.

    CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027, China

  • Received Date: 28 Sep 2017
  • Rev Recd Date: 31 Oct 2017
    Abstract
  • Detonation velocity is one of the main parameters in explosive welding where glass microsphere is used as a sensitizer and diluent.In this paper, the effect of the glass microsphere on detonation velocity of emulsion explosive was explored.The honeycomb-structured explosive manufactured using a honeycomb aluminum panel and a low detonation velocity emulsion explosive with the detonation velocity of 2.230 km/s was used to carry out explosive welding of Al-steel clad plate.The results showed that the density of the explosive decreased with the increase of the glass microsphere content.The emulsion explosive misfired when the content of the glass microsphere was less than 2% or greater than 35%.The detonation velocity of the emulsion explosive decreased with the increase of the glass microsphere content when the content of the glass microsphere was greater than 7% and less than 35%.The sensitization effect and detonation velocity adjustment effect of small-size glass microspheres produced a better welding quality than those of large-size glass microspheres.The honeycomb aluminum structured explosive used for Al-steel explosive welding was able to achieve superior bonding quality.

     

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