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X-Ray Diffraction From Shocked Crystals
Experiments and Predications of Molecular Dynamics Simulations
by J. Sheppard, D. H. Kalantar, J. Hawreliak, J. S. Wark, J. F. Belak, M. J. Caturla, P. S. Lomdahl, B. L. Holian, R. Ravelo, E. M. Bringa, T. C. Germann, K. Kadau, K. Rosolankova ยท 2003
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When a crystal is subjected to shock compression beyond its Hugoniot Elastic Limit (HEL), the deformation it undergoes is composed of elastic and plastic strain components. In situ time-dependent X-ray diffraction, which allows direct measurement of lattice spacings, can be used to investigate such phenomena. This paper presents recent experimental results of X-ray diffraction from shocked fcc crystals. Comparison is made between experimental data and simulated X-ray diffraction using a post-processor to Molecular Dynamics (MD) simulations of shocked fcc crystals.