Simulations of Decomposition Kinetics of Fe-Cr Solid Solutions during Thermal Aging-Reference-Cited by-同舟云学术

Simulations of Decomposition Kinetics of Fe-Cr Solid Solutions during Thermal Aging

Published:2011-06 Issue: Volume:172-174 Page:1016-1021
ISSN:1662-9779
Container-title:Solid State Phenomena
language:
Short-container-title:SSP

Author:

Martinez Enrique¹,Fu Chu Chun²,Levesque Maximilien²,Nastar Maylise³,Soisson Frédéric²

Affiliation:

1. Los Alamos National Laboratory

2. CEA Saclay

3. Service de Recherches de Métallurgie Physique

Abstract

The decomposition of Fe-Cr solid solutions during thermal aging is modeled by Atomistic Kinetic Monte Carlo (AKMC) simulations, using a rigid lattice approximation with composition dependant pair interactions that can reproduce the change of sign of the mixing energy with the alloy composition. The interactions are fitted on ab initio mixing energies and on the experimental phase diagram, as well as on the migration barriers in iron and chromium rich phases. Simulated kinetics is compared with 3D atom probe and neutron scattering experiments.

Publisher

Trans Tech Publications, Ltd.

Subject

Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics

Link

https://www.scientific.net/SSP.172-174.1016.pdf

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