Kinetic Monte Carlo simulation of nanostructural evolution under post-irradiation annealing in dilute FeMnNi

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Kinetic Monte Carlo simulation of nanostructural evolution under post-irradiation annealing in dilute FeMnNi. / Chiapetto, Monica; Becquart, Charlotte; Domain, Christophe; Malerba, Lorenzo.

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS: Physica Status Solidi C-Current Topics in Solid State Physics. Vol. 12/1-2 2015. p. 20-24 (Physica Status Solidi (C)).

Research output: Contribution to report/book/conference proceedingsIn-proceedings paper

Harvard

Chiapetto, M, Becquart, C, Domain, C & Malerba, L 2015, Kinetic Monte Carlo simulation of nanostructural evolution under post-irradiation annealing in dilute FeMnNi. in PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS: Physica Status Solidi C-Current Topics in Solid State Physics. vol. 12/1-2, Physica Status Solidi (C), pp. 20-24, European Materials Research Society - 2014 Spring Meeting, Lille, France, 2014-05-26. https://doi.org/10.1002/pssc.201400143

APA

Chiapetto, M., Becquart, C., Domain, C., & Malerba, L. (2015). Kinetic Monte Carlo simulation of nanostructural evolution under post-irradiation annealing in dilute FeMnNi. In PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS: Physica Status Solidi C-Current Topics in Solid State Physics (Vol. 12/1-2, pp. 20-24). (Physica Status Solidi (C)). https://doi.org/10.1002/pssc.201400143

Vancouver

Chiapetto M, Becquart C, Domain C, Malerba L. Kinetic Monte Carlo simulation of nanostructural evolution under post-irradiation annealing in dilute FeMnNi. In PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS: Physica Status Solidi C-Current Topics in Solid State Physics. Vol. 12/1-2. 2015. p. 20-24. (Physica Status Solidi (C)). https://doi.org/10.1002/pssc.201400143

Author

Chiapetto, Monica ; Becquart, Charlotte ; Domain, Christophe ; Malerba, Lorenzo. / Kinetic Monte Carlo simulation of nanostructural evolution under post-irradiation annealing in dilute FeMnNi. PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS: Physica Status Solidi C-Current Topics in Solid State Physics. Vol. 12/1-2 2015. pp. 20-24 (Physica Status Solidi (C)).

Bibtex - Download

@inproceedings{edba33b0a7ef4645a64ccdae87b017a0,
title = "Kinetic Monte Carlo simulation of nanostructural evolution under post-irradiation annealing in dilute FeMnNi",
abstract = "Post-irradiation annealing experiments are often used to obtain clearer information on the nature of defects produced by irradiation. However, their interpretation is not always straightforward without the support of physical models. We apply here a physically-based set of parameters for object kinetic Monte Carlo (OKMC) simulations of the nanostructural evolution of FeMnNi alloys under irradiation to the simulation of their post-irradiation isochronal annealing, from 290 to 600 °C. The model adopts a “grey alloy” scheme, i.e. the solute atoms are not introduced explicitly, only their effect on the properties of point-defect clusters is. Namely, it is assumed that both vacancy and SIA clusters are significantly slowed down by the solutes. The slowing down increases with size until the clusters become immobile. Specifically, the slowing down of SIA clusters by Mn and Ni can be justified in terms of the interaction between these atoms and crowdions in Fe. The results of the model compare quantitatively well with post-irradiation isochronal annealing experimental data, providing clear insight into the mechanisms that determine the disappearance or re-arrangement of defects as functions of annealing time and temperature.",
keywords = "object kinetic Monte Carlo, FeMnNi, isochronal annealing, irradiation-induced defects",
author = "Monica Chiapetto and Charlotte Becquart and Christophe Domain and Lorenzo Malerba",
note = "Score=3",
year = "2015",
month = "10",
doi = "10.1002/pssc.201400143",
language = "English",
volume = "12/1-2",
series = "Physica Status Solidi (C)",
publisher = "Wiley - John Wiley & Sons, Ltd",
pages = "20--24",
booktitle = "PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS",

}

RIS - Download

TY - GEN

T1 - Kinetic Monte Carlo simulation of nanostructural evolution under post-irradiation annealing in dilute FeMnNi

AU - Chiapetto, Monica

AU - Becquart, Charlotte

AU - Domain, Christophe

AU - Malerba, Lorenzo

N1 - Score=3

PY - 2015/10

Y1 - 2015/10

N2 - Post-irradiation annealing experiments are often used to obtain clearer information on the nature of defects produced by irradiation. However, their interpretation is not always straightforward without the support of physical models. We apply here a physically-based set of parameters for object kinetic Monte Carlo (OKMC) simulations of the nanostructural evolution of FeMnNi alloys under irradiation to the simulation of their post-irradiation isochronal annealing, from 290 to 600 °C. The model adopts a “grey alloy” scheme, i.e. the solute atoms are not introduced explicitly, only their effect on the properties of point-defect clusters is. Namely, it is assumed that both vacancy and SIA clusters are significantly slowed down by the solutes. The slowing down increases with size until the clusters become immobile. Specifically, the slowing down of SIA clusters by Mn and Ni can be justified in terms of the interaction between these atoms and crowdions in Fe. The results of the model compare quantitatively well with post-irradiation isochronal annealing experimental data, providing clear insight into the mechanisms that determine the disappearance or re-arrangement of defects as functions of annealing time and temperature.

AB - Post-irradiation annealing experiments are often used to obtain clearer information on the nature of defects produced by irradiation. However, their interpretation is not always straightforward without the support of physical models. We apply here a physically-based set of parameters for object kinetic Monte Carlo (OKMC) simulations of the nanostructural evolution of FeMnNi alloys under irradiation to the simulation of their post-irradiation isochronal annealing, from 290 to 600 °C. The model adopts a “grey alloy” scheme, i.e. the solute atoms are not introduced explicitly, only their effect on the properties of point-defect clusters is. Namely, it is assumed that both vacancy and SIA clusters are significantly slowed down by the solutes. The slowing down increases with size until the clusters become immobile. Specifically, the slowing down of SIA clusters by Mn and Ni can be justified in terms of the interaction between these atoms and crowdions in Fe. The results of the model compare quantitatively well with post-irradiation isochronal annealing experimental data, providing clear insight into the mechanisms that determine the disappearance or re-arrangement of defects as functions of annealing time and temperature.

KW - object kinetic Monte Carlo

KW - FeMnNi

KW - isochronal annealing

KW - irradiation-induced defects

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_138177

UR - http://knowledgecentre.sckcen.be/so2/bibref/12200

U2 - 10.1002/pssc.201400143

DO - 10.1002/pssc.201400143

M3 - In-proceedings paper

VL - 12/1-2

T3 - Physica Status Solidi (C)

SP - 20

EP - 24

BT - PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS

ER -

ID: 6771461