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Dynamic recrystallization kinetics in Mg-3Gd-1Zn magnesium alloy during hot deformation

  • Hamed Mirzadeh , Milad Roostaei , Mohammad Habibi Parsa and Reza Mahmudi
Published/Copyright: February 26, 2016
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 107 Issue 3

Abstract

The initiation of dynamic recrystallization during hot deformation, its kinetics according to the Johnson–Mehl–Avrami–Kolmogorov model, and the resultant grain refinement in the Mg-3Gd-1Zn magnesium alloy were studied to elucidate the mechanism of dynamic recrystallization and the opportunities it offers during high-temperature thermomechanical processing of this heat resistant light alloy. The necklace mechanism was found to be responsible for the noticeable grain refinement, during which the mean recrystallized grain size varied slightly. These results were further confirmed based on the kinetics analysis.

Keywords: Hot working; Thermomechanical processing; Mechanical properties
*Correspondence address, Prof. Hamed Mirzadeh, School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, P.O. Box 11155-4563, Tehran, Iran. Tel.: +98 2182084127, Fax: +98 2188006076, E-mail:

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Received: 2015-08-09
Accepted: 2015-10-14
Published Online: 2016-02-26
Published in Print: 2016-03-11

© 2016, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111333
Keywords for this article
Hot working; Thermomechanical processing; Mechanical properties

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Fe–N and Fe–N–C phase equilibria above 853 K studied by nitriding/nitrocarburising and secondary annealing
  5. Microstructural development and crystallographic properties of decomposing Fe–N–C compound layers
  6. Experimental study on phase relationships in the Co-rich portion of the Co–Ti–Zr system
  7. On the role of alloying elements in the formation of serrated grain boundaries in Ni-based alloys
  8. Effect of drawing with shear on structure and properties of low-carbon steel
  9. Experimental study of FLD0 for aluminum alloy using digital image correlation with modified ISO method
  10. Global modeling for elevated temperature flow behavior of 6013 aluminum alloy during two-pass deformation
  11. The relationship between the pore size distribution and the thermo-mechanical properties of high alumina refractory castables
  12. Optimization of the phase composition of high-calcium-content slag for stabilization and the obtaining of hydraulic properties
  13. Short Communications
  14. Dynamic recrystallization kinetics in Mg-3Gd-1Zn magnesium alloy during hot deformation
  15. Original Contributions
  16. Photoluminescence properties of Tb3+-doped stalk-like Al2O3
  17. Effect of deposition parameters on the crystal orientation and growth of Ag nanowires
  18. DGM News
  19. DGM News
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