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Study on Sound Velocity and Unloading Path for Single Crystal LiF under Shock Compression
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Jin-Quan YU1, 2, Ya-Bin XIAO2, Xian-Ming ZHOU1, Hua TAN1
Chinese Journal of High Pressure Physics | 2005, 19(3) : 206 - 212
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Chinese Journal of High Pressure Physics | 2005, 19(3): 206-212
Study on Sound Velocity and Unloading Path for Single Crystal LiF under Shock Compression
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Jin-Quan YU1, 2, Ya-Bin XIAO2, Xian-Ming ZHOU1, Hua TAN1
Affiliations
  • 1.Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Mianyang 621900, China
  • 2.College of Science, National University of Defense Technology, Changsha 410073, China
Published: 2005-09-05
Outline
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Symmetrical impact experiments for single crystal LiF were conduced at two-stage light-gas gun with a VISAR diagnostic. Longitudinal and bulk sound velocities, and unloading path of LiF were obtained up to 79.1 GPa shock pressure. Experimental results indicate a good linearity between the Lagrangian longitudinal sound velocity and the particle velocity. There is no evidence of shock-induced melting or phase transition for LiF in the present pressure range. The LiF unloading path and velocity profiles show a clear transformation from the elastic release to the plastic unloading.

LiF  /  reverse-impact  /  sound velocity  /  unloading path  /  VISAR
于锦泉, 肖亚斌, 周显明, 谭华. 冲击压缩下单晶LiF高压声速及卸载路径研究. 高压物理学报, 2005 , 19 (3) : 206 -212 .
Jin-Quan YU, Ya-Bin XIAO, Xian-Ming ZHOU, Hua TAN. Study on Sound Velocity and Unloading Path for Single Crystal LiF under Shock Compression[J]. Chinese Journal of High Pressure Physics, 2005 , 19 (3) : 206 -212 .
Appendix
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Year 2005 volume 19 Issue 3
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Article Info
  • Receive Date：2004-01-17
  • Online Date：2026-10-31
  • Published：2005-09-05
Article Data
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History
  • Received：2004-01-17
  • Revised：2005-01-13
Funding
Affiliations
    1.Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Mianyang 621900, China
    2.College of Science, National University of Defense Technology, Changsha 410073, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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