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Chinese Journal of High Pressure Physics  > 2013  >  27(2): 205-210.
RAN Xiang-Tian, HE Duan-Wei, LIU Jing, WANG Qi-Ming, WANG Pei, WANG Jiang-Hua, CHEN Hai-Hua, PENG Fang. Stress Transmission of Materials with Different Strengths under Non-Hydrostatic Compression[J]. Chinese Journal of High Pressure Physics, 2013, 27(2): 205-210. doi: 10.11858/gywlxb.2013.02.006
Citation: RAN Xiang-Tian, HE Duan-Wei, LIU Jing, WANG Qi-Ming, WANG Pei, WANG Jiang-Hua, CHEN Hai-Hua, PENG Fang. Stress Transmission of Materials with Different Strengths under Non-Hydrostatic Compression[J]. Chinese Journal of High Pressure Physics, 2013, 27(2): 205-210. doi: 10.11858/gywlxb.2013.02.006
shu

Stress Transmission of Materials with Different Strengths under Non-Hydrostatic Compression

doi: 10.11858/gywlxb.2013.02.006
  • 1.

    Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China;

  • 2.

    Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;

  • 3.

    National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China

  • Received Date: 01 Apr 2013
  • Rev Recd Date: 01 Apr 2013
  • Issue Publish Date: 15 Apr 2013
    Abstract
  • Using diamond anvil cell (DAC) combined with synchrotron axial X-ray diffraction (AXRD) techniques, the stress transmission behavior among materials with different strengths was investigated under non-hydrostatic compression. In our experiments, powder mixtures of platinum (Pt) and cubic silicon carbide (-SiC), Pt and tungsten carbide (WC), as well as WC and -SiC, were compressed up to 56, 61, and 25 GPa, respectively. We found that the stress transmission among the grain boundary of two different materials is discontinuous due to their strength difference, and the observed stress difference increases with the strength difference. The stronger material has a smaller observed stress near the minimum stress direction under non-hydrostatic compression in DAC at the same loading.

     

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