The electromagnetic cylindrical compression: A tool to test behavior modeling under large strain at high strain rate

被引：6
|
作者：
Petit, J [1 ]
Alexeev, YA [1 ]
Ananiev, SP [1 ]
Kazeev, MN [1 ]
机构：
[1] NFI,KURCHATOV INST,MOSCOW 123182,RUSSIA
来源：
JOURNAL DE PHYSIQUE IV | 1997年 / 7卷 / C3期
关键词：
D O I：
10.1051/jp4:1997321
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The material behavior at high strain rate (> 10(4) s(-1)) and large strain (> 50%) is unattainable with usual tests. So it is deduced extrapolating results from tensile, compression, torsion, plate impact or pressure shear experiments. Exploitation of an electromagnetic cylindrical compression test allows to validate this extrapolation. It allows to analyze the coupling of the effects of plastic strain, plastic strain rate and temperature or also, for example, the effect of a viscous drag dislocation term. The principle and the limits of this exploitation by experimentation-1D calculation comparisons are illustrated with the first tests obtained on copper tubes.
引用
收藏
页码：109 / 114
页数：6
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