Laboratory X-ray diffraction complex for studying structural changes in materials under shock loading |
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| Authors: | V. V. Mokhova L. A. Egorov I. N. Govorunov V. V. Maslov A. P. Falin K. V. Morozov D. A. Volkov A. V. Ryzhkov S. E. Elfimov A. V. Til’kunov S. V. Shulimov |
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| Affiliation: | 1. All-Russia Research Institute of Experimental Physics, Russian Federal Nuclear Center, pr. Mira 37, Sarov, Nizhni Novgorod oblast, 607190, Russia
2. Sarov State Institute of Physics and Technology, National Research Nuclear University “MEPhI,”, ul. Dukhova 6, Sarov, Nizhni Novgorod oblast, 607190, Russia
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| Abstract: | A diagnostic laboratory X-ray diffraction complex has been designed to study the crystal structure under shock loading. Electric explosion of a foil, which accelerates a plane dielectric impactor, is used to generate a plane shock wave. A plasma-focus gas discharge chamber acts as an X-ray source. An automated system for recording X-ray diffraction patterns of shock compressed crystals has been developed on the basis of an image intensifier and a digital CCD camera. Recorded patterns of shock compressed LiF single-crystal structures are presented, which demonstrate that nonequilibrium structural formations have been obtained. |
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