The role of excess volume in the stage of plastic deformation initiation in near-surface regions of a loaded crystal

Abstract

The initial stage of the process of atomic displacement localization in the near-surface region of a loaded crystal is studied by means of analysis of the excess volume redistribution based on the results of molecular dynamics simulation. It is established that the excess volume is initially concentrated in the regions where structural changes are observed in the subsequent stages. In these regions, the excess volume can reach 5% of the specific volume of atoms occurring outside of the displacement localization zone. The obtained results lead to reassessment of the role of excess volume in the process of plastic deformation initiation and development on the atomic level.

Original language	English
Pages (from-to)	664-666
Number of pages	3
Journal	Technical Physics Letters
Volume	32
Issue number	8
DOIs	https://doi.org/10.1134/S1063785006080086
Publication status	Published - 1 Aug 2006

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1134/S1063785006080086

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title = "The role of excess volume in the stage of plastic deformation initiation in near-surface regions of a loaded crystal",

abstract = "The initial stage of the process of atomic displacement localization in the near-surface region of a loaded crystal is studied by means of analysis of the excess volume redistribution based on the results of molecular dynamics simulation. It is established that the excess volume is initially concentrated in the regions where structural changes are observed in the subsequent stages. In these regions, the excess volume can reach 5% of the specific volume of atoms occurring outside of the displacement localization zone. The obtained results lead to reassessment of the role of excess volume in the process of plastic deformation initiation and development on the atomic level.",

author = "Dmitriev, {A. I.} and Psakhie, {S. G.}",

year = "2006",

month = aug,

day = "1",

doi = "10.1134/S1063785006080086",

language = "English",

volume = "32",

pages = "664--666",

journal = "Technical Physics Letters",

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AU - Psakhie, S. G.

PY - 2006/8/1

Y1 - 2006/8/1

N2 - The initial stage of the process of atomic displacement localization in the near-surface region of a loaded crystal is studied by means of analysis of the excess volume redistribution based on the results of molecular dynamics simulation. It is established that the excess volume is initially concentrated in the regions where structural changes are observed in the subsequent stages. In these regions, the excess volume can reach 5% of the specific volume of atoms occurring outside of the displacement localization zone. The obtained results lead to reassessment of the role of excess volume in the process of plastic deformation initiation and development on the atomic level.

AB - The initial stage of the process of atomic displacement localization in the near-surface region of a loaded crystal is studied by means of analysis of the excess volume redistribution based on the results of molecular dynamics simulation. It is established that the excess volume is initially concentrated in the regions where structural changes are observed in the subsequent stages. In these regions, the excess volume can reach 5% of the specific volume of atoms occurring outside of the displacement localization zone. The obtained results lead to reassessment of the role of excess volume in the process of plastic deformation initiation and development on the atomic level.

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