J. Phys. IV France
Volume 134, August 2006
EURODYMAT 2006 - 8th International Conference on Mechanical and Physical Behaviour of Materials under Dynamic Loading
Page(s) 37 - 42
Publié en ligne 26 juillet 2006
EURODYMAT 2006 - 8th International Conference on Mehanical and Physical Behaviour of Materials under Dynamic Loading
J. Cirne, R. Dormeval, et al.
J. Phys. IV France 134 (2006) 37-42

DOI: 10.1051/jp4:2006134007

Dynamic response of single crystalline copper subjected to quasi-isentropic laser and gas-gun driven loading

M. Meyers1, H. Jarmakani1, J.M. McNaney2, M. Schneider1, J.H. Nguyen2 and B. Kad1

1  Mechanical and Aerospace Engineering Dept., Materials Science Program, University of California, San Diego, La Jolla, CA 92093-0418, USA
2  Lawrence Livermore National Laboratory, Livermore, CA 94550, USA

Published online: 26 July 2006

Single crystalline copper was subjected to quasi-isentropic compression via gas-gun and laser loading at pressures between 18 GPa and 59 GPa. The deformation substructure was analyzed via transmission electron microscopy (TEM). Twins and laths were evident at the highest pressures, and stacking faults and dislocation cells in the intermediate and lowest pressures, respectively. The Preston-Tonks-Wallace (PTW) constitutive description was used to model the slip-twinning process in both cases.

© EDP Sciences 2006

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