Publications associated with Intense X-ray-Matter Interactions


Probing dynamic material strength using in situ x-ray diffraction

AIP Conference Proceedings 1426 (2012) 975-978

J Hawreliak, B El-Dasher, J Eggert, J Rygg, G Collins, H Lorenzana, G Kimminau, A Higginbotham, B Nagler, SM Vinko, WJ Murphy, T Whitcher, S Rothman, N Park, JS Wark

The lattice level strain measured using in situ x-ray diffraction during shock compression of rolled iron foils is used along with the pressure dependent elastic constants to estimate the dynamic strength of 1±1 GPa at 15 GPa. We examine these results in the context of the constant stress (Voigt) and constant strain (Ruess) limit of grain interaction, discussing the implications at the lattice level. © 2012 American Institute of Physics.


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