Predicting atomic diffusion in concentrated magnetic alloys: The case of paramagnetic Fe-Ni

K Li, CC Fu, M Nastar, F Soisson - Physical Review B, 2023 - APS
Predicting atomic diffusion in concentrated magnetic systems is challenging due to thermal
magnetic effects and complex magnetochemical interplay. We propose an efficient approach …

Microstructure modeling of nuclear structural materials: Recent progress and future directions

JH Ke - Computational Materials Science, 2023 - Elsevier
Modeling and simulation of microstructures are essential to understand the complex
responses and behaviors of nuclear materials in extreme environments. The needs to …

Systematic study of radiation-induced segregation in neutron-irradiated FeCrAl alloys

PV Patki, TJ Pownell, Y Bazarbayev, D Zhang… - Journal of Nuclear …, 2023 - Elsevier
This work systematically reports grain boundary radiation-induced segregation (RIS), and
insights into RIS mechanisms, in FeCrAl alloys. Recently, FeCrAl alloys have received …

[HTML][HTML] Precipitation of Cr-rich clusters in Fe-Cr alloys: Effects of irradiation from first principles modeling and experimental observations

M Fedorov, JS Wróbel, AJ London… - Journal of Nuclear …, 2023 - Elsevier
Abstract Using exchange Monte Carlo (MC) simulations based on an ab initio-
parameterized Cluster Expansion (CE) model, we explore the phase stability of low-Cr Fe-Cr …

Effects of Aluminum and Molybdenum on the Phase Stability of Iron-Chromium Alloys: A First-Principles Study

JH Ke, AM Jokisaari - JOM, 2023 - Springer
The interaction between solute atoms is critical to the thermodynamic behavior of Fe-Cr
alloys, but the effects of non-dilute Al and Mo on the Fe-Cr phase stability and vacancy …

MD simulation of vacancy and interstitial diffusion in FeCr alloy

M Tikhonchev - Physica Scripta, 2023 - iopscience.iop.org
The diffusion mobility of iron and chromium atoms in Fe-9% Cr and Fe-20% Cr alloys for
temperature up to 1000 K has been studied by molecular dynamics simulation. Both …

Impact of defect annihilation mechanism on the grain size dependence and the dimensionality effect of radiation induced segregation

R David, AA Rezwan, Y Zhang - Materialia, 2023 - Elsevier
Radiation-induced segregation (RIS) of alloying elements at defect sinks critically affects
material performance. This work computes and compares RIS at grain boundaries in a Fe-Ni …

Magnetochemical coupling effects on thermodynamics, point-defect formation and diffusion in Fe-Ni alloys: a theoretical study

K Li - arXiv preprint arXiv:2302.00186, 2023 - arxiv.org
This thesis is a theoretical study of thermodynamic, point-defect formation and diffusion
properties in Fe-Ni alloys with a focus on the magnetochemical effects. The results are …