The results of investigation of structural transformations and mechanical behavior of nanolaminates are reported, which were manufactured by multiple rolling of alternating layers of copper and niobium, followed by high-pressure torsion in the Bridgeman chamber. A detailed analysis of structure alteration of the material under study is performed by the high-resolution TEM methods. The changes in the value of microhardness in three dimensions (3D) are investigated during variation of the degree of straining of nanolaminates in the course of their torsion. A phenomenon of structure amorphization and a sharp increase in strength characteristics are revealed.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 28–37, March, 2018.
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Permyakova, I.E., Glezer, A.M., Karpov, M.I. et al. Structure Amorphization and Mechanical Properties of Nanolaminates of the Copper–Niobium System During High-Pressure Torsion. Russ Phys J 61, 428–438 (2018). https://doi.org/10.1007/s11182-018-1417-3
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DOI: https://doi.org/10.1007/s11182-018-1417-3