Complete characterization of sink-strengths for 1D to 3D mobilities of defect clusters: Bridging between limiting cases with effective sink-strengths calculations.

Journal of Nuclear Materials(2022)

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摘要
•For interactions involving 1D-mobile clusters, most sink-strength expressions are missing which prevents the prediction of dislocation loops growth with rate-equations•When both interacting species have a mixed 1D/3D mobility (noted here ”1DR”), the effective sink-strength can still be calculated with kinetic Monte-Carlo simulations•A general formula for these sink-strengths is proposed by bridging between the limiting cases established in the companion paper with a fit of the Monte-Carlo estimates•These general expressions are also well-validated once implemented in rate-equation cluster dynamics and then compared to the time consuming kinetic Monte-Carlo simulations
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关键词
Diffusion,Rate equation cluster dynamics,Sink strengths,Cluster growth rates,Dislocation loops mobility
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