Sound velocities in porous iron shocked to 177 GPa and the implications for shock melting

被引：6
|
作者：
Li, XJ
Zhou, XM
Wang, FH
Liu, FS
Gong, ZZ
Jing, FQ
机构：
[1] Inst Elect Engn, Fundamental Res Ctr, Mianyang 621900, Peoples R China
[2] Inst Fluid Phys, Mianyang 621900, Peoples R China
[3] SW Jiaotong Univ, Inst High Pressure Phys, Chengdu 610036, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2001年 / 18卷 / 12期
关键词：
D O I：
10.1088/0256-307X/18/12/327
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Sound velocities in shock-loaded solids are not only important to determine bulk moduli of solids at high pressures, but are also crucial to inform the shock melting of solids upon loading. In this letter, we first report on shock melting of porous solids at high pressures by measuring sound velocities in the porous iron of average density 6.90 g/cm(3) in the pressure range of 110-180 GPa. The measured sound velocity softens at pressures from 122 to 156 Gpa, which may be attributed to shock melting of the porous iron.
引用
收藏
页码：1632 / 1634
页数：3
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