Physics of the Solid State

, Volume 52, Issue 6, pp 1162–1169 | Cite as

Physics of megaplastic (Severe) deformation in solids

  • A. M. GlezerEmail author
  • L. S. Metlov
Defects and Impurity Centers, Dislocations, and Physics of Strength


The main regularities of structural and phase transformations occurring in solids have been analyzed experimentally and theoretically within the framework of the concept of manifestation of additional channels providing the dissipation of an elastic energy introduced into a solid under megaplastic deformation. It has been demonstrated that an active participation of low-temperature dynamical recrystallization processes, phase transitions of the type crystal ai amorphous state, and thermal effects under the conditions of an insufficient efficiency of the dislocation and disclination relaxation modes can consistently explain almost all the experimental results obtained for very severe plastic deformations.


Plastic Deformation Dynamical Recrystallization Severe Plastic Deformation High Angle Boundary Dissipation Channel 
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© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  1. 1.Kurdyumov Institute of Metal Science and Metal PhysicsBardin Central Research Institute of Ferrous MetallurgyMoscowRussia
  2. 2.Galkin Donetsk Institute for Physics and EngineeringNational Academy of Sciences of UkraineDonetskUkraine

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