Nature of high-angle grain boundaries in metals subjected to severe plastic deformation

The evolution of structural parameters of deformation fragments and dynamically recrystallized grains during severe plastic deformation in a Bridgman chamber as the number of complete revolutions in torsion at room temperature increases is analyzed using transmission electron microscopy and electron...

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Bibliographic Details
Published in:Doklady. a journal of the Russian Academy of Sciences. Physics 2014-08, Vol.59 (8), p.360-363
Main Authors: Glezer, A. M., Varyukhin, V. N., Tomchuk, A. A., Maleeva, N. A.
Format: Article
Language:English
Subjects:
Classical Mechanics
Mathematical and Computational Physics
Physics
Physics and Astronomy
Technical Physics
Theoretical
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Summary:The evolution of structural parameters of deformation fragments and dynamically recrystallized grains during severe plastic deformation in a Bridgman chamber as the number of complete revolutions in torsion at room temperature increases is analyzed using transmission electron microscopy and electron backscattered diffraction. It is found that the formation of a significant amount of high-angle grain boundaries in the structure is caused not by deformation fragmentation but by the low temperature dynamic recrystallization.
ISSN:1028-3358
1562-6903
DOI:10.1134/S1028335814080059