Shock equation of state of basalt

被引:18
作者
Sekine, Toshimori [1 ]
Kobayashi, Takamichi [1 ]
Nishio, Mineyuki [2 ]
Takahashi, Eiichi [2 ]
机构
[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan
[2] Tokyo Inst Technol, Dept Earth & Planetary Sci, Tokyo 1528551, Japan
来源
EARTH PLANETS AND SPACE | 2008年 / 60卷 / 09期
关键词
Shock equation of state; basalt; dynamic behavior; Hugoniot; VISAR;
D O I
10.1186/BF03352857
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Detailed wave profiles for Kinosaki basalt at pressures up to 25 GPa are measured using a laser velocity interferometer in order to determine the dynamic properties. The results indicate a Hugoniot elastic limit of similar to 2 GPa and a relationship between shock velocity (U-s) and particle velocity (U-p) approximated by U-s (km/s) = 3.5 + 1.3U(p) (km/s) in the low-pressure plastic region (Up below similar to 4 km/s). These data are compared with the known data for rocks with basaltic compositions, and tensile strength of the basaltic rocks was found to be about one tenth of that of compression strength.
引用
收藏
页码:999 / 1003
页数:5
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