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Structural Transformations in Metallic Materials During Plastic Deformation

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Abstract

In this paper, the structure formation during the plastic deformation of polycrystalline nickel and aluminum based alloy 2024-T3 is investigated. The possibility of the relaxation and synergetic structure formation is examined. It is shown the deformation softening to be due to the crystallization of the amorphous structure of hydrodynamics flow channels (synergetic structure) HC as micrograins and their subsequent growth. The possible mechanism of micrograins’ growth is proposed. The deformation processes change the phase composition of the multiphase alloy 2024-T3. It is shown by the quantitative analysis of the structures which were deformed in different regimes of the alloy samples. A method for increasing of the fatigue life through a dynamic pre-deformation is suggested.

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Acknowledgment

This publication was performed with a financial support of Project N501 056740. Project is financed from funds of National Science Center.

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Authors and Affiliations

  1. G.V. Kurdyumov Institute for Metal Physics, National Academy of Sciences of Ukraine, Kiev, Ukraine

    E. Zasimchuk, T. Turchak & A. Baskova

  2. National University of Life and Environmental Sciences of Ukraine, Kiev, Ukraine

    N. Chausov

  3. Faculty of Mechanical Engineering, Military University of Technology, Warsaw, Poland

    V. Hutsaylyuk

Authors
  1. E. Zasimchuk
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  2. T. Turchak
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  3. A. Baskova
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  4. N. Chausov
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  5. V. Hutsaylyuk
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Correspondence to E. Zasimchuk.

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Zasimchuk, E., Turchak, T., Baskova, A. et al. Structural Transformations in Metallic Materials During Plastic Deformation. J. of Materi Eng and Perform 26, 1293–1299 (2017). https://doi.org/10.1007/s11665-017-2564-3

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  • DOI: https://doi.org/10.1007/s11665-017-2564-3

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