Molecular dynamics simulations of point defect production in cementite and Cr23C6 inclusions in alpha-iron : Effects of recoil energy and temperature

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Henriksson , K O E 2016 , ' Molecular dynamics simulations of point defect production in cementite and Cr23C6 inclusions in alpha-iron : Effects of recoil energy and temperature ' AIP Advances , vol. 6 , no. 6 , 065010 . DOI: 10.1063/1.4954081

Title: Molecular dynamics simulations of point defect production in cementite and Cr23C6 inclusions in alpha-iron : Effects of recoil energy and temperature
Author: Henriksson, K. O. E.
Contributor: University of Helsinki, Henkilöstö- ja lakiasiainosasto (henkilöstöjohtaja) (-2009)
Date: 2016-06
Language: eng
Number of pages: 12
Belongs to series: AIP Advances
ISSN: 2158-3226
URI: http://hdl.handle.net/10138/165520
Abstract: The number of point defects formed in spherical cementite and Cr23C6 inclusions embedded into ferrite (alpha-iron) has been studied and compared against cascades in pure versions of these materials (only ferrite, Fe3C, or Cr23C6 in a cell). Recoil energies between 100 eV and 3 keV and temperatures between 400 K and 1000 K were used. The overall tendency is that the number of point defects-such as antisites, vacancy and interstitials-increases with recoil energy and temperature. The radial distributions of defects indicate that the interface between inclusions and the host tend to amplify and restrict the defect formation to the inclusions themselves, when compared to cascades in pure ferrite and pure carbide cells. (C) 2016 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Subject: FE-C ALLOYS
FUSION ENERGY
DAMAGE
IRRADIATION
CARBON
EVOLUTION
CASCADES
CARBIDES
METALS
STEELS
114 Physical sciences
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