On the theory of the mobility of faceted inclusions in crystals

The mechanism of diffusion of faceted pores or solid inclusions due to the nucleation of a critical terrace, proposed by Willerz and Shewmon for the interpretation of their experimental observations, was critically analysed and further developed using a more accurate approach based on the classical...

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Bibliographic Details
Published in:Journal of nuclear materials 2021-08, Vol.552, p.153030, Article 153030
Main Author: Veshchunov, M.S.
Format: Article
Language:English
Subjects:
Critical nucleation
Faceted inclusions diffusivity
Faceted inclusions mobility
Irradiation conditions
Kinetic theory of phase transitions
ODS nanoparticles
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Summary:The mechanism of diffusion of faceted pores or solid inclusions due to the nucleation of a critical terrace, proposed by Willerz and Shewmon for the interpretation of their experimental observations, was critically analysed and further developed using a more accurate approach based on the classical theory of critical nucleation, applied to the crystal surface. The new model was extended to analyse the migration of faceted inclusions under irradiation conditions, in particular, it was applied to nanosized oxide particles in oxide dispersion strengthened (ODS) ferritic/martensitic steels.
ISSN:0022-3115
1873-4820
DOI:10.1016/j.jnucmat.2021.153030