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Phase transformations and structural changes in the course of the high-temperature superplastic deformation of aluminum alloys

  • Structure, Phase Transformations, and Diffusion
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Abstract

Phase and structural transformations, which develop under conditions characteristic of high-temperature superplasticity in matrix multicomponent aluminum alloys, have been investigated. It has been shown that the appearance of a metastable liquid phase is in principle possible in the structure of such alloys in the process of the establishment of the equilibrium state during their heating to the temperature of tests and in the course of superplastic deformation. The characteristic properties of the structural changes that occur in the course of the superplastic deformation of such alloys have been studied. The basic conditions that lead to the origin and the development of fibrous species in the course of the high-temperature superplastic deformation have been determined. The determining role of magnesium in the process of origin and development of such fibrous formations is shown.

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Authors and Affiliations

  1. Institute of Electrophysics and Radiation Technologies, National Academy of Sciences of the Ukraine, ul. Chernyshevskogo 28, Kharkov, 61002, Ukraine

    V. V. Bryukhovetskii & R. I. Kuznetsova

  2. Kharkov National University, pl. Svobody 4, Kharkov, 61077, Ukraine

    V. P. Poyda, A. V. Poyda & D. E. Pedun

  3. Beirut Arab University, Tarik El-Jadidah, Beirut, Lebanon

    Kaafarani Ali Mahmoud

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  1. V. V. Bryukhovetskii
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  2. V. P. Poyda
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  3. A. V. Poyda
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  4. R. I. Kuznetsova
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  5. Kaafarani Ali Mahmoud
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  6. D. E. Pedun
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Original Russian Text © V.V. Bryukhovetskii, V.P. Poyda, A.V. Poyda, R.I. Kuznetsova, Kaafarani Ali Mahmoud, D.E. Pedun, 2010, published in Fizika Metallov i Metallovedenie, 2010, Vol. 110, No. 6, pp. 614–623.

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Bryukhovetskii, V.V., Poyda, V.P., Poyda, A.V. et al. Phase transformations and structural changes in the course of the high-temperature superplastic deformation of aluminum alloys. Phys. Metals Metallogr. 110, 588–596 (2010). https://doi.org/10.1134/S0031918X10120100

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  • DOI: https://doi.org/10.1134/S0031918X10120100

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