Metal Science and Heat Treatment

, Volume 60, Issue 9–10, pp 606–610 | Cite as

Simulation of the Kinetics of Dynamic Recrystallization of Alloy KhN55MBYu-VD During Hot Deformation

  • M. G. KhomutovEmail author
  • A. Yu. Churyumov
  • A. V. Pozdnyakov
  • A. G. Voitenko
  • A. A. Chereshneva

A facility for physical simulation is used to plot dependences of flow stress on the degree of deformation in the temperature range from 1000 to 1230°C at deformation rates from 0.1 sec–1 to 50 sec–1 for alloy KhN55MBYu-VD. The dependences obtained and the results of the determination of grain sizes are used to calculate the coefficients for models of the kinetics of dynamic recrystallization based on a Johnson–Mehl–Avrami–Kolmogorov-type equation and of growth of dynamically recrystallized grains. The simulation of the grain size variation during dynamic recrystallization has shown that the deviation of the computed data from the experimental ones does not exceed 15%.

Key words

simulation evolution of microstructure dynamic recrystallization alloy KhN55MBYu-VD 


The work has been performed within a State Research Program (Fundamental Research, Applied Research and Experimental Developments) according to the State Assignment of the Ministry of Education and Science of Russia in the Sphere of Scientific Activities for 2014 – 2016 (Task No. 2014/113).


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • M. G. Khomutov
    • 1
    Email author
  • A. Yu. Churyumov
    • 1
  • A. V. Pozdnyakov
    • 1
  • A. G. Voitenko
    • 1
  • A. A. Chereshneva
    • 1
  1. 1.National Research Technological University “MISiS”MoscowRussia

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