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Molecular dynamics simulation of displacement cascades in Fe-Cr alloys
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Neutron Research.
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2004 (English)In: Journal of Nuclear Materials, ISSN 0022-3115, E-ISSN 1873-4820, Vol. 329-333, no PartB, 1156-1160 p.Article in journal, Meeting abstract (Refereed) Published
Abstract [en]

An embedded atom method (EAM) empirical potential recently fitted and validated for Fe–Cr systems is used to simulate displacement cascades up to 15 keV in Fe and Fe–10%Cr. The evolution of these cascades up to thermalisation of the primary damage state is followed and quantitatively analysed. Particular attention is devoted to assessing the effect of Cr atoms on the defect distribution versus pure Fe. Using the Wigner–Seitz cell criterion to identify point defects, first results show that the main effect of the presence of Cr in the system is the preferential formation of mixed Fe–Cr dumbbells and mixed interstitial clusters, with expected lower mobility than in pure Fe.

Place, publisher, year, edition, pages
2004. Vol. 329-333, no PartB, 1156-1160 p.
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-71213DOI: 10.1016/j.jnucmat.2004.04.270OAI: oai:DiVA.org:uu-71213DiVA: diva2:99124
11th International Conference on Fusion Reactor Materials (ICFRM-11), December 7 - 12, 2003, Kyoto, Japan
Available from: 2005-04-29 Created: 2005-04-29 Last updated: 2013-10-29Bibliographically approved

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Olsson, Pär
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