Author:
Shan Lian-Qiang ,Gao Yu-Lin ,Xin Jian-Ting ,Wang Feng ,Peng Xiao-Shi ,Xu Tao ,Zhou Wei-Min ,Zhao Zong-Qing ,Cao Lei-Feng ,Wu Yu-Chi ,Zhu Bin ,Liu Hong-Jie ,Liu Dong-Xiao ,Shui Min ,He Ying-Ling ,Zhan Xia-Yu ,Gu Yu-Qiu ,
Abstract
The quasi-isentropic compression of material with high strain rate can be obtained by the ramp wave loading of plasma jet produced by laser-driven reservoir target. The quasi-isentropic compression experiments of aluminum are carried out on the high power laser facility of SG-III prototype. The smooth and continuous speed history of free surface of specimen is recorded with a line-imaging velocity interferometer (VISAR). The peak pressure (60 GPa), the rise time of the load (~ 10 ns) and the strain (~ 108 s-1) are derived by the back-integrating method, and the reverberation of compression wave at the rear surface of the sample is observed.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy
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