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Volume 30 Issue 4
Jul 2016
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Chinese Journal of High Pressure Physics  > 2016  >  30(4): 323-327.
CHEN Yong-Tao, HONG Ren-Kai, TANG Tie-Gang, CHEN Hao-Yu. Experimental Diagnostic of Ejecta on Sn Sample in Shock Melting[J]. Chinese Journal of High Pressure Physics, 2016, 30(4): 323-327. doi: 10.11858/gywlxb.2016.04.009
Citation: CHEN Yong-Tao, HONG Ren-Kai, TANG Tie-Gang, CHEN Hao-Yu. Experimental Diagnostic of Ejecta on Sn Sample in Shock Melting[J]. Chinese Journal of High Pressure Physics, 2016, 30(4): 323-327. doi: 10.11858/gywlxb.2016.04.009
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Experimental Diagnostic of Ejecta on Sn Sample in Shock Melting

doi: 10.11858/gywlxb.2016.04.009

  • National Key Laboratory for Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621999, China

  • Received Date: 20 Aug 2014
  • Rev Recd Date: 27 Oct 2014
    Abstract
  • It is a big challenge for measuring the rapidly-increasing ejecta from the melted metal sample under intense shock loading.In this work, we experimentally investigated the ejecta mass, density and velocity distributions on a melted Sn target by adopting the Asay-F-window technique, and focused on the influence of the surface machined states on the ejecta properties.Our results show that the surface perturbation plays a dominate role in the amount, velocity and spatial distribution of the ejected particles, and these quantities tend to increase with the increasing of the surface roughness when the Sn is melted on shock or release.Our research is expected to contribute a lot to better understanding the ejecta behavior and constructing the physical ejecta source model for melted metal upon shock or release.

     

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