Journal
PHILOSOPHICAL MAGAZINE LETTERS
Volume 81, Issue 12, Pages 803-811Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500830110095171
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The interaction between a glissile cluster of self-interstitial atoms and a vacancy has been studied in alpha -Fe by atomistic modelling and elasticity theory. It was found that vacancies can annihilate only with the cluster edge. Vacancies inside the cluster glide prism do not annihilate with interstitials but a? ect the cluster dynamic properties. Depending on the cluster size and ambient temperature, these vacancies reduce or even prevent cluster motion. Qualitative differences in the results of atomistic and elasticity theory approaches were found, thereby demonstrating the need for the atomistic approach.
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