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Characterization of...
Characterization of dislocation loops and chromium-rich precipitates in ferritic iron-chromium alloys as means of void swelling suppression
- Article/chapterEnglish2007
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Elsevier BV,2007
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LIBRIS-ID:oai:DiVA.org:kth-62849
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-62849URI
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https://doi.org/10.1016/j.jnucmat.2007.01.069DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20120124. Symposium on Nuclear Materials and Materials for Fusion held at the E-MRS 2006 Spring Meeting, Nice, FRANCE, MAY 29-JUN 02, 2006
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We have used both ab initio and empirical potential based molecular dynamics and static calculations to parameterize a model accounting for the mobility of self-interstitial clusters and small dislocation loops in Fe-Cr alloys depending on Cr content. Particularly, we have considered the interval of 5-15% of Cr, corresponding to the typical concentration of Cr in ferritic/martensitic steels. The mobility of self-interstitial clusters and small dislocation loops was found to be strongly reduced in the presence of Cr due to attractive interaction between self-interstitials and Cr atoms, whereas Cr-rich precipitates act as repulsive obstacles. The results obtained allow the experimental trend of swelling measurements in neutron and high-energy electron irradiated Fe-Cr alloys to be interpreted and explained.
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Olsson, PärPhysique des Solides Irradiés et des Nanostructures, CP23, Université Libre de Bruxelles(Swepub:kth)u1wo7ztz
(author)
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Malerba, L.
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Barashev, A. V.
(author)
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Physique des Solides Irradiés et des Nanostructures, CP23, Université Libre de Bruxelles
(creator_code:org_t)
Related titles
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In:Journal of Nuclear Materials: Elsevier BV362:2-3, s. 167-1730022-31151873-4820
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