Volume 21 Issue 3
Apr 2015
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YANG Chao, CHEN Wei-Ping, ZHAN Zai-Ji, JIANG Jian-Zhong. Phase Evolution of Zr-Based Bulk Metallic Glass Prepared by Shock-Wave Quenching under High Temperature and High Pressure[J]. Chinese Journal of High Pressure Physics, 2007, 21(3): 283-288 . doi: 10.11858/gywlxb.2007.03.011
Citation: YANG Chao, CHEN Wei-Ping, ZHAN Zai-Ji, JIANG Jian-Zhong. Phase Evolution of Zr-Based Bulk Metallic Glass Prepared by Shock-Wave Quenching under High Temperature and High Pressure[J]. Chinese Journal of High Pressure Physics, 2007, 21(3): 283-288 . doi: 10.11858/gywlxb.2007.03.011

Phase Evolution of Zr-Based Bulk Metallic Glass Prepared by Shock-Wave Quenching under High Temperature and High Pressure

doi: 10.11858/gywlxb.2007.03.011
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  • Corresponding author: YANG Chao
  • Received Date: 07 Sep 2006
  • Rev Recd Date: 11 Dec 2006
  • Publish Date: 05 Sep 2007
  • Phase evolution (PH) of Zr41Ti14Cu12.5Ni10Be22.5 bulk metallic glass (BMG) prepared by shock-wave quenching has been studied under high-temperature and high-pressure using in situ synchrotron radiation energy-dispersive X-ray diffraction. The results show that the primarily precipitated phase is Zr2Be17 at applied pressures, but the subsequent PH processes are different. The crystallization temperature increases with pressure, but with a sudden drop at about 6.0 GPa. Compared with experimental results of the BMG prepared by water quenching, it can be concluded that crystallization temperature of the BMGs prepared by shock-wave quenching and water quenching all drop at the same pressure region, at which their PHs are different from those of other pressures. The different PHs and the drop of crystallization temperature may be attributed to that the BMG possesses different atomic configuration at different pressures.

     

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