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Modelling precipitation in binary alloys by cluster dynamics

✍ Scribed by J. Lepinoux

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
362 KB
Volume
57
Category
Article
ISSN
1359-6454

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✦ Synopsis

Cluster dynamics is an original way to bridge the gap between atomistic simulations and macroscopic approaches of precipitation, but its application to alloys of high solubility limit and solute concentration raise a number of difficulties. The underlying thermodynamic model has been recently extended to treat this type of situation. New tools are presented to explore some of the consequences of this extension, validated by comparing with kinetic Monte-Carlo simulations.

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Influence of cluster mobility on Cu prec
Influence of cluster mobility on Cu precipitation in Ξ±-Fe: A cluster dynamics modeling
✍ T. Jourdan; F. Soisson; E. Clouet; A. Barbu πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 393 KB

A cluster dynamics model has been parametrized to quantitatively reproduce results obtained by atomistic kinetic Monte Carlo (AKMC) modeling on the precipitation of Cu in a-Fe under thermal aging. The cluster mobility, highlighted by AKMC, is shown to have a significant effect on the precipitation k