Formation of dislocation cell substructure in face-centred cubic metallic solid solutions

N. A. Koneva, V. A. Starenchenko, D. V. Lychagin, L. I. Trishkina, N. A. Popova, E. V. Kozlov

Research output: Contribution to journal › Article

Abstract

A quantitative analysis of the evolution of the dislocation cell substructure during the deformation of face-centred cubic metals and alloys is presented. Particular features are distinguished in the behavior of pure metals and solid solutions with different states of atomic order. The influence of temperature and grain size on the main substructural parameters is studied. It is established that the dependence of cell size on dislocation density becomes less pronounced when going from single crystals to polycrystals with large and small grain sizes. An increase in deformation temperature is shown to have the same effect. The relationship between cell size and the width of cell walls is also examined.

Original language	English
Pages (from-to)	179-183
Number of pages	5
Journal	Materials Science and Engineering A
Volume	483-484
Issue number	1-2 C
DOIs	https://doi.org/10.1016/j.msea.2006.08.140
Publication status	Published - 15 Jun 2008

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Keywords

Cells
Deformation
Dislocations
Solid solutions

ASJC Scopus subject areas

Materials Science(all)

Cite this

Koneva, N. A., Starenchenko, V. A., Lychagin, D. V., Trishkina, L. I., Popova, N. A., & Kozlov, E. V. (2008). Formation of dislocation cell substructure in face-centred cubic metallic solid solutions. Materials Science and Engineering A, 483-484(1-2 C), 179-183. https://doi.org/10.1016/j.msea.2006.08.140

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AU - Koneva, N. A.

AU - Starenchenko, V. A.

AU - Lychagin, D. V.

AU - Trishkina, L. I.

AU - Popova, N. A.

AU - Kozlov, E. V.

PY - 2008/6/15

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N2 - A quantitative analysis of the evolution of the dislocation cell substructure during the deformation of face-centred cubic metals and alloys is presented. Particular features are distinguished in the behavior of pure metals and solid solutions with different states of atomic order. The influence of temperature and grain size on the main substructural parameters is studied. It is established that the dependence of cell size on dislocation density becomes less pronounced when going from single crystals to polycrystals with large and small grain sizes. An increase in deformation temperature is shown to have the same effect. The relationship between cell size and the width of cell walls is also examined.

AB - A quantitative analysis of the evolution of the dislocation cell substructure during the deformation of face-centred cubic metals and alloys is presented. Particular features are distinguished in the behavior of pure metals and solid solutions with different states of atomic order. The influence of temperature and grain size on the main substructural parameters is studied. It is established that the dependence of cell size on dislocation density becomes less pronounced when going from single crystals to polycrystals with large and small grain sizes. An increase in deformation temperature is shown to have the same effect. The relationship between cell size and the width of cell walls is also examined.

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KW - Dislocations

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10.1016/j.msea.2006.08.140