کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1569998 1514268 2006 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Resistivity recovery simulations of electron-irradiated iron: Kinetic Monte Carlo versus cluster dynamics
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی هسته ای و مهندسی
پیش نمایش صفحه اول مقاله
Resistivity recovery simulations of electron-irradiated iron: Kinetic Monte Carlo versus cluster dynamics
چکیده انگلیسی

The isochronal resistivity recovery in high purity α-iron irradiated by electrons was successfully reproduced by a multiscale modelling approach. The stability and mobility of small self-defect clusters determined by ab initio methods were used as input data for an event based Kinetic Monte Carlo (KMC) model, used to explore the defect population evolution during the annealing and to extract the resistivity recovery peaks. In this paper, we investigate the possibility of using an efficient mesoscale model, the Cluster Dynamics (CD), instead of KMC in this approach. The comparison between the two methods for various CD initial conditions shows the importance of spatial correlations between defects, which are neglected in the CD model. However, using appropriate initial conditions, e.g. starting from the concentration of Frenkel pairs after the uncorrelated stage IE, the CD model captures the main characteristics of subsequent defect population evolution, and it can therefore be used for fast and semi-quantitative investigations.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Nuclear Materials - Volume 352, Issues 1–3, 30 June 2006, Pages 42–49
نویسندگان
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