Radiation-induced solute segregation in metallic alloys

AJ Ardell, P Bellon - Current Opinion in Solid State and Materials Science, 2016 - Elsevier
The subject of radiation-induced solute segregation (RIS) in metallic alloys is reviewed. RIS
manifests itself in several different ways, including diffusion to point-defect sinks …

Systematic electronic-structure investigation of substitutional impurity diffusion and flux coupling in bcc iron

L Messina, M Nastar, N Sandberg, P Olsson - Physical Review B, 2016 - APS
The diffusion properties of a wide range of impurities (transition metals and Al, Si, and P) in
ferritic alloys are here investigated by means of a combined ab initio–atomic diffusion theory …

[PDF][PDF] 1.18-Radiation-induced segregation

M Nastar, F Soisson - Comprehensive nuclear materials, 2012 - researchgate.net
Irradiation creates excess point defects in materials (vacancies and self-interstitial atoms),
which can be eliminated by mutual recombination, clustering, or annihilation of preexisting …

Microstructural changes in a neutron-irradiated Fe–15 at.% Cr alloy

M Bachhav, GR Odette, EA Marquis - Journal of Nuclear Materials, 2014 - Elsevier
Microstructural changes in a Fe–15 at.% Cr model alloy neutron irradiated to 1.82 dpa at
290° C were characterized by atom probe tomography. Homogenously distributed α …

Kinetic Monte Carlo simulations of radiation induced segregation and precipitation

F Soisson - Journal of nuclear materials, 2006 - Elsevier
Kinetics of radiation induced segregation and precipitation in binary alloys are studied by
Monte Carlo simulations. The simulations are based on a simple atomic model of diffusion …

Effect of grain boundary orientation on radiation-induced segregation in a Fe–15.2 at.% Cr alloy

R Hu, GDW Smith, EA Marquis - Acta Materialia, 2013 - Elsevier
Ferritic chromium steels are important structural materials for future nuclear fission and
fusion reactors due to their advantages over traditional austenitic steels, such as higher …

Solute drag by vacancies in body-centered cubic alloys

T Garnier, M Nastar, P Bellon, DR Trinkle - Physical Review B, 2013 - APS
Transport coefficients, the elements of the so-called Onsager matrix, are essential quantities
for modeling solid-state kinetics controlled by diffusion. Focusing on diffusion in binary alloys …

Effect of grain boundary planes on radiation-induced segregation (RIS) at near Σ3 grain boundaries in Fe-Cr alloy under ion irradiation

Q Barres, O Tissot, E Meslin, I Mouton, B Arnal… - Materials …, 2022 - Elsevier
Due to their good mechanical properties and corrosion resistance, Ferritic Martensitic and
ODS steels are widely studied for applications in the next generation of nuclear reactor …

A systematic approach for the study of radiation-induced segregation/depletion at grain boundaries in steels

EA Marquis, R Hu, T Rousseau - Journal of Nuclear Materials, 2011 - Elsevier
High Cr ferritic steels are candidate materials for structural applications in Gen-IV and fusion
nuclear reactors. However, the relative contributions of irradiation conditions and materials …

Effects of heavy-ion irradiation on solute segregation to dislocations in oxide-dispersion-strengthened Eurofer 97 steel

CA Williams, JM Hyde, GDW Smith… - Journal of nuclear …, 2011 - Elsevier
Interactions of solute atoms with dislocations are known to influence the mechanical
properties of metals, and are an important aspect of irradiated materials. Here, atom-probe …