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Thermally activated glide of small dislocation loops in metals

Autor
Osetsky, Y.; Bacon, D.; Serra, A.
Tipus d'activitat
Article en revista
Revista
Philosophical magazine letters
Data de publicació
1999-01
Volum
79
Número
5
Pàgina inicial
273
Pàgina final
282
DOI
https://doi.org/10.1080/095008399177345 Obrir en finestra nova
URL
http://www.tandfonline.com/doi/abs/10.1080/095008399177345 Obrir en finestra nova
Resum
Recent computer simulation studies have shown that small clusters of selfinterstitial atoms (SIAs) formed in displacement cascades consist of crowdions and are highly mobile in the crowdion direction. In the present work, we use molecular dynamics to investigate whether small perfect vacancy loops formed in cascades in alpha-Fe and Cu are also mobile. Loops containing more than about 30 vacancies in Fe are found to produce atomic displacements during annealing, due to thermally activated movemen...
Grup de recerca
SC-SIMBIO - Sistemes complexos. Simulació discreta de materials i de sistemes biològics

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