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Chinese Journal of High Pressure Physics  > 2006  >  20(3): 237-242 .
HU Dong, YE Song, WU Jing-He, YAN Zheng-Xin, LI Ping, SUN Zhu-Mei. The Spectro-Studies on Micro-Mechanism of Shock Ignition for Aluminium[J]. Chinese Journal of High Pressure Physics, 2006, 20(3): 237-242 . doi: 10.11858/gywlxb.2006.03.003
Citation: HU Dong, YE Song, WU Jing-He, YAN Zheng-Xin, LI Ping, SUN Zhu-Mei. The Spectro-Studies on Micro-Mechanism of Shock Ignition for Aluminium[J]. Chinese Journal of High Pressure Physics, 2006, 20(3): 237-242 . doi: 10.11858/gywlxb.2006.03.003
shu

The Spectro-Studies on Micro-Mechanism of Shock Ignition for Aluminium

doi: 10.11858/gywlxb.2006.03.003
  • 1.

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

  • 2.

    Institute of High Temperature and High Pressure Physics, Sichuan University, Chengdu 610065, China

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  • Corresponding author: HU Dong
  • Received Date: 26 Jun 2005
  • Rev Recd Date: 22 May 2006
  • Issue Publish Date: 05 Sep 2006
    Abstract
  • The aluminum powder is a high energetic material. It is added into energetic materials. The results show that the critical conditions of shock ignition for micrometer-aluminum powder relate with physical behaviour for aluminum powder. The micro-behaviour of the fast reaction for micrometer-aluminum powder are studied by means of some spectrometer techniques－three monochromaters techniques and OMA spectral techniques. The critical temperature for the micrometer-aluminum powder is about 2 100 K, and it is closed to the melting temperature of Al2O3. It is show that the Al2O3 layer must be melted, if the micrometer-aluminum powder may be ignited. It is important that the reaction of micrometer-aluminum powder with oxygen. It is not important that the reaction of micrometer-aluminum powder with water. The micrometer-aluminum powder may react, after a liquid fuel in compound fuel reacts. The reaction temperature is increased when micrometer-aluminum powder is added into energetic material and the particle size of micrometer-aluminum powder is decreased .

     

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