Interaction between vacancies and interstitial solutes (C, N, and O) in : From electronic structure to thermodynamics

C Barouh, T Schuler, CC Fu, M Nastar - Physical Review B, 2014 - APS
The interplay between vacancies (V) and interstitial solutes X (X= C, N, and O) and its impact
on thermodynamic properties of α− Fe solid solutions are studied, starting from first …

Modeling radiation induced segregation in iron–chromium alloys

O Senninger, F Soisson, E Martínez, M Nastar, CC Fu… - Acta Materialia, 2016 - Elsevier
Radiation induced segregation in ferritic Fe–Cr alloys is studied by Atomistic Kinetic Monte
Carlo simulations that include diffusion of chemical species by vacancy and interstitial …

Study of the interaction of solutes with Σ5 (013) tilt grain boundaries in iron using density-functional theory

H Jin, I Elfimov, M Militzer - Journal of Applied Physics, 2014 - pubs.aip.org
Substitutional alloying elements significantly affect the recrystallization and austenite-ferrite
phase transformation rates in steels. The atomistic mechanisms of their interaction with the …

[HTML][HTML] Revised thermodynamic description of the Fe-Cr system based on an improved sublattice model of the σ phase

A Jacob, E Povoden-Karadeniz, E Kozeschnik - Calphad, 2018 - Elsevier
Abstract The Fe-Cr system is re-assessed, focusing on an improved modeling of σ phase.
The three sublattice model (Cr, Fe) 10 (Cr, Fe) 4 (Cr, Fe) 16 is parameterized to model the σ …

Magnetochemical effects on phase stability and vacancy formation in fcc Fe-Ni alloys

K Li, CC Fu, M Nastar, F Soisson, MY Lavrentiev - Physical Review B, 2022 - APS
We investigate phase stability and vacancy formation in fcc Fe-Ni alloys over a broad
composition-temperature range, via a density functional theory parametrized effective …

Decomposition kinetics of Fe-Cr solid solutions during thermal aging

E Martínez, O Senninger, CC Fu, F Soisson - Physical Review B, 2012 - APS
Abstract The decomposition of Fe-Cr solid solutions during thermal aging is modeled by
atomistic kinetic Monte Carlo simulations, using a rigid lattice approximation with pair …

Ab initio simulations on the pure Cr lattice stability at 0K: Verification with the Fe-Cr and Ni-Cr binary systems

S Yang, Y Wang, ZK Liu, Y Zhong - Calphad, 2021 - Elsevier
Significant discrepancies have been observed and discussed on the lattice stability of Cr
between the predictions from the ab initio calculations and the CALPHAD approach. In the …

Angular-dependent interatomic potential for large-scale atomistic simulation of the Fe-Cr-H ternary system

S Starikov, D Smirnova, T Pradhan, I Gordeev… - Physical Review …, 2022 - APS
The recently developed angular-dependent potential for pure iron was advanced to the
interatomic potential of the Fe-Cr-H ternary system. The new potential allows to simulate Fe …

Radiation induced segregation near dislocations and symmetric tilt grain boundaries in Fe-Cr alloys: A phase-field study

GFB Moladje, L Thuinet, CS Becquart, A Legris - Acta Materialia, 2022 - Elsevier
A phase-field model dedicated to dislocation climb under irradiation has been coupled to
point defects and chemical species transport equations. It allows to predict radiation induced …

From high entropy alloys to diluted multi-component alloys: Range of existence of a solid-solution

M Laurent-Brocq, L Perrière, R Pirès, Y Champion - Materials & Design, 2016 - Elsevier
In order to systematically compare high entropy alloys (HEA) and conventional diluted multi-
component alloys and to observe the transition between both, 13 Cr x Mn x Fe x Co x Ni …