Diffusion of 3D-migrating self-interstitial clusters in diluted and concentrated Fe-Cr alloys

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Diffusion of 3D-migrating self-interstitial clusters in diluted and concentrated Fe-Cr alloys. / Terentyev, Dmitry; Olsson, Par; Malerba, Lorenzo; Bonny, Giovanni (Peer reviewer).

In: Journal of Nuclear Materials, Vol. 386-388, 30.04.2009, p. 140-142.

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@article{a16863e9138a423a83501c8517b0496e,
title = "Diffusion of 3D-migrating self-interstitial clusters in diluted and concentrated Fe-Cr alloys",
abstract = "We show, using atomic-level simulations, that the mobility of small 3D-migrating self-interstitial atom (SIA) clusters produced in displacement cascades is significantly reduced in concentrated Fe-Cr alloys (up to 15{\%}Cr) as compared to Fe. The presence of alpha' precipitates, on the other hand, is only expected to provide scattering centers for interstitial-type defects, whose formation inside the precipitates is energetically unfavorable. The significant reduction in the mobility of 3D-migrating SIA clusters is expected to have an important impact on the microstructure evolution of high-Cr steels, depending on Cr concentration. (C) 2009 Elsevier B.V. All rights reserved.",
keywords = "Iron-Chromium Alloys, microstructural evolution, displacement cascades, resistivity recovery",
author = "Dmitry Terentyev and Par Olsson and Lorenzo Malerba and Giovanni Bonny",
note = "Score = 10",
year = "2009",
month = "4",
day = "30",
doi = "10.1016/j.jnucmat.2008.12.076",
language = "English",
volume = "386-388",
pages = "140--142",
journal = "Journal of Nuclear Materials",
issn = "0022-3115",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Diffusion of 3D-migrating self-interstitial clusters in diluted and concentrated Fe-Cr alloys

AU - Terentyev, Dmitry

AU - Olsson, Par

AU - Malerba, Lorenzo

A2 - Bonny, Giovanni

N1 - Score = 10

PY - 2009/4/30

Y1 - 2009/4/30

N2 - We show, using atomic-level simulations, that the mobility of small 3D-migrating self-interstitial atom (SIA) clusters produced in displacement cascades is significantly reduced in concentrated Fe-Cr alloys (up to 15%Cr) as compared to Fe. The presence of alpha' precipitates, on the other hand, is only expected to provide scattering centers for interstitial-type defects, whose formation inside the precipitates is energetically unfavorable. The significant reduction in the mobility of 3D-migrating SIA clusters is expected to have an important impact on the microstructure evolution of high-Cr steels, depending on Cr concentration. (C) 2009 Elsevier B.V. All rights reserved.

AB - We show, using atomic-level simulations, that the mobility of small 3D-migrating self-interstitial atom (SIA) clusters produced in displacement cascades is significantly reduced in concentrated Fe-Cr alloys (up to 15%Cr) as compared to Fe. The presence of alpha' precipitates, on the other hand, is only expected to provide scattering centers for interstitial-type defects, whose formation inside the precipitates is energetically unfavorable. The significant reduction in the mobility of 3D-migrating SIA clusters is expected to have an important impact on the microstructure evolution of high-Cr steels, depending on Cr concentration. (C) 2009 Elsevier B.V. All rights reserved.

KW - Iron-Chromium Alloys

KW - microstructural evolution

KW - displacement cascades

KW - resistivity recovery

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_100842

UR - http://knowledgecentre.sckcen.be/so2/bibref/6187

U2 - 10.1016/j.jnucmat.2008.12.076

DO - 10.1016/j.jnucmat.2008.12.076

M3 - Article

VL - 386-388

SP - 140

EP - 142

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

ER -

ID: 311325