2019
DOI: 10.21517/0202-3822-2019-42-2-99-107
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Thermal Dissociation of Di-Interstitials in BCC Fe and V: A Molecular Dynamics Study

Abstract: Термическая диссоциация димежузлий в ОЦК Fe и V: молекулярно-динамическое исследование ВАНТ. Сер. Термоядерный синтез, 2019, т. 42, вып. 2 99 УДК 544.022.382 ТЕРМИЧЕСКАЯ ДИССОЦИАЦИЯ ДИМЕЖУЗЛИЙ В ОЦК Fe И V: МОЛЕКУЛЯРНО-ДИНАМИЧЕСКОЕ ИССЛЕДОВАНИЕ Д.Н. Демидов, А.Б. Сивак, П.А. Сивак НИЦ «Курчатовский институт», Москва, РоссияМетодом молекулярной динамики рассчитаны температурные зависимости времени жизни димежузлий до диссоциации для ОЦК-металлов Fe (900-1450 К) и V (650-1100 K)). На основе рассчитанных данных п… Show more

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Cited by 4 publications
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“…We have earlier obtained the diffusion characteristics of bi-interstitials in Fe and V in the absence of external elastic fields by the MD method [12,13]. In this study, the dependences of the diffusion characteristics of bi-interstitials on the value of the uniform elastic deformation of the crystal (in the range from -1 to + 1%) for strained states V 1 , V 2 , and V 4 were calculated by the MD method for bcc metals Fe (350-800 K) and V (350-600 K).…”
Section: Structure Phase Transformations and Diffusionmentioning
confidence: 99%
See 1 more Smart Citation
“…We have earlier obtained the diffusion characteristics of bi-interstitials in Fe and V in the absence of external elastic fields by the MD method [12,13]. In this study, the dependences of the diffusion characteristics of bi-interstitials on the value of the uniform elastic deformation of the crystal (in the range from -1 to + 1%) for strained states V 1 , V 2 , and V 4 were calculated by the MD method for bcc metals Fe (350-800 K) and V (350-600 K).…”
Section: Structure Phase Transformations and Diffusionmentioning
confidence: 99%
“…In this study, the dependences of the diffusion characteristics of bi-interstitials on the value of the uniform elastic deformation of the crystal (in the range from -1 to + 1%) for strained states V 1 , V 2 , and V 4 were calculated by the MD method for bcc metals Fe (350-800 K) and V (350-600 K). The upper boundary of the considered temperature range in Fe is higher than in V, since the interstitials are more resistant to thermal dissociation in Fe than in V and, for the most part, they manage to reach microstructural sinks (dislocation network with a density of 3 × 10 14 m -2 ) before dissociation at temperatures below 700-800 K [12]. From the obtained deformation dependences of the diffusion tensor of bi-interstitials, the elastic diffusion tensors of bi-interstitials and the effective dipole tensors of saddle configurations of bi-interstitials were determined in Fe and V.…”
Section: Structure Phase Transformations and Diffusionmentioning
confidence: 99%