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Chinese Journal of High Pressure Physics  > 2008  >  22(4): 414-418 .
GUO Jin-Liang, LIU Fu-Sheng, HAO Gao-Yu, ZHANG Ming-Jian, ZHANG Dai-Yu, XUE Xue-Dong. Temperature Measurement for the Interface of the Dense Bulk Iron/Sapphire Window under Shock Compression[J]. Chinese Journal of High Pressure Physics, 2008, 22(4): 414-418 . doi: 10.11858/gywlxb.2008.04.013
Citation: GUO Jin-Liang, LIU Fu-Sheng, HAO Gao-Yu, ZHANG Ming-Jian, ZHANG Dai-Yu, XUE Xue-Dong. Temperature Measurement for the Interface of the Dense Bulk Iron/Sapphire Window under Shock Compression[J]. Chinese Journal of High Pressure Physics, 2008, 22(4): 414-418 . doi: 10.11858/gywlxb.2008.04.013
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Temperature Measurement for the Interface of the Dense Bulk Iron/Sapphire Window under Shock Compression

doi: 10.11858/gywlxb.2008.04.013

  • Laboratory of High Pressure Physics, Southwest Jiaotong University, Chengdu 610031, China

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  • Corresponding author: LIU Fu-Sheng
  • Received Date: 29 Dec 2007
  • Rev Recd Date: 05 Apr 2008
  • Publish Date: 05 Dec 2008
    Abstract
  • The iron sample is symmetrically impacted by a high speed flyer of the same material, which is launched by use of two-stage light-gas gun. The temperature of the interface between iron and sapphire is determined by measuring the spectra illuminaton. In experiment, a new technique is applied to prepare the bulk iron/sapphire interface, and an improved in-situ method is used to calibrate the pyrometer. As a result, the peak radiation from the directly contacted interface is effectively diminished, and the stable emission from the ideally intacted interface of Fe/Al2O3 is observed. The result shows that the Fe/Al2O3 interface temperature corresponding to the shock pressure of 164 GPa is (3 950180) K.

     

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