Molecular-dynamics study of crystal structure defect formation by the thermal fluctuation mechanism during high-rate deformation

Abstract

The possibility of structural defect generation in materials with the ideal crystal lattice under dynamic loading conditions in a broad temperature range has been studied by means of molecular dynamics using the embedded atom method with many-body interatomic interaction potentials. It is shown that thermal fluctuations can lead to a jumplike nucleation of defects in the ideal crystal under high-rate deformation conditions. Features of the defect nucleation via this mechanism are analyzed for various temperatures and loading regimes.

Original language	English
Pages (from-to)	101-102
Number of pages	2
Journal	Technical Physics Letters
Volume	32
Issue number	2
DOIs	https://doi.org/10.1134/S1063785006020039
Publication status	Published - Feb 2006

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1134/S1063785006020039

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title = "Molecular-dynamics study of crystal structure defect formation by the thermal fluctuation mechanism during high-rate deformation",

abstract = "The possibility of structural defect generation in materials with the ideal crystal lattice under dynamic loading conditions in a broad temperature range has been studied by means of molecular dynamics using the embedded atom method with many-body interatomic interaction potentials. It is shown that thermal fluctuations can lead to a jumplike nucleation of defects in the ideal crystal under high-rate deformation conditions. Features of the defect nucleation via this mechanism are analyzed for various temperatures and loading regimes.",

author = "Psakhie, {S. G.} and Zolnikov, {K. P.} and Kryzhevich, {D. S.} and Lipnitskiǐ, {A. G.}",

year = "2006",

month = feb,

doi = "10.1134/S1063785006020039",

language = "English",

volume = "32",

pages = "101--102",

journal = "Technical Physics Letters",

issn = "1063-7850",

publisher = "Maik Nauka-Interperiodica Publishing",

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AU - Psakhie, S. G.

AU - Zolnikov, K. P.

AU - Kryzhevich, D. S.

AU - Lipnitskiǐ, A. G.

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N2 - The possibility of structural defect generation in materials with the ideal crystal lattice under dynamic loading conditions in a broad temperature range has been studied by means of molecular dynamics using the embedded atom method with many-body interatomic interaction potentials. It is shown that thermal fluctuations can lead to a jumplike nucleation of defects in the ideal crystal under high-rate deformation conditions. Features of the defect nucleation via this mechanism are analyzed for various temperatures and loading regimes.

AB - The possibility of structural defect generation in materials with the ideal crystal lattice under dynamic loading conditions in a broad temperature range has been studied by means of molecular dynamics using the embedded atom method with many-body interatomic interaction potentials. It is shown that thermal fluctuations can lead to a jumplike nucleation of defects in the ideal crystal under high-rate deformation conditions. Features of the defect nucleation via this mechanism are analyzed for various temperatures and loading regimes.

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