Abstract
Atomic ordered Ni3Fe single crystals with the L12 structure are investigated via X-ray diffraction using synchrotron radiation. A study is performed of the material’s structure obtained at room temperature as a result of severe plastic deformation of the single crystals in Bridgman anvils. After compression and subsequent torsion of the samples through different angles, the state atomic ordering changes up to complete disappearance of the L12 superstructure, the violation of single crystallinity, and the formation of an ultrafine grained structure.
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ACKNOWLEDGMENTS
Our X-ray synchrotron measurements were made on the Diffractometry in Hard X-rays experimental station at the Siberian Synchrotron and Terahertz Radiation Center of the Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences (Novosibirsk).
Funding
This work was performed as part of a State Task from the RF Ministry of Science and Higher Education, project no. FEMN-2020-0004. Our experiments on the deformation of single crystals in a Bridgman anvil cell were performed as part of a State Task from the RF Ministry of Science and Higher Education, project no. АААА-А18-118020190104-3 (“Pressure”). Our X-ray synchrotron measurements were made as part of a State Task from the RF Ministry of Science and Higher Education, project no. FWUS-202102024.
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Translated by Z. Smirnova
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Solov’eva, Y.V., Starenchenko, S.V., Starenchenko, V.A. et al. Structure and Mechanical Properties of Ni3Fe Single Crystals after Severe Plastic Deformation. Bull. Russ. Acad. Sci. Phys. 85, 941–944 (2021). https://doi.org/10.3103/S106287382109029X
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DOI: https://doi.org/10.3103/S106287382109029X