Perspectives on multiscale modelling and experiments to accelerate materials development for fusion

MR Gilbert, K Arakawa, Z Bergstrom, MJ Caturla… - Journal of Nuclear …, 2021 - Elsevier
Prediction of material performance in fusion reactor environments relies on computational
modelling, and will continue to do so until the first generation of fusion power plants come on …

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 …

Application of a three-feature dispersed-barrier hardening model to neutron-irradiated Fe–Cr model alloys

F Bergner, C Pareige, M Hernández-Mayoral… - Journal of Nuclear …, 2014 - Elsevier
An attempt is made to quantify the contributions of different types of defect-solute clusters to
the total irradiation-induced yield stress increase in neutron-irradiated (300° C, 0.6 dpa) …

Behaviour of P, Si, Ni impurities and Cr in self ion irradiated Fe–Cr alloys–Comparison to neutron irradiation

C Pareige, V Kuksenko, P Pareige - Journal of Nuclear Materials, 2015 - Elsevier
This paper presents an atom probe tomography study of phase transformation and solute
segregation in Fe–Cr alloys of low purity under self-ion irradiation. Fe–9% Cr and Fe–12 …

Thermodynamic and kinetic modeling of Mn-Ni-Si precipitates in low-Cu reactor pressure vessel steels

H Ke, P Wells, PD Edmondson, N Almirall, L Barnard… - Acta Materialia, 2017 - Elsevier
Formation of large volume fractions of Mn-Ni-Si precipitates (MNSPs) causes excess
irradiation embrittlement of reactor pressure vessel (RPV) steels at high, extended-life …

Cr precipitation in neutron irradiated industrial purity Fe–Cr model alloys

V Kuksenko, C Pareige, P Pareige - Journal of nuclear materials, 2013 - Elsevier
The microstructure of four neutron irradiated Fe–Cr model alloys of industrial purity (Fe–
2.5% Cr, Fe–5% Cr, Fe–9% Cr and Fe–12% Cr) has been characterized by atom probe …

Dose rate dependence of Cr precipitation in an ion-irradiated Fe18Cr alloy

ER Reese, N Almirall, T Yamamoto, S Tumey… - Scripta Materialia, 2018 - Elsevier
Precipitation of α′ in Fesingle bond Cr alloys under neutron irradiation is
thermodynamically driven while being accelerated by radiation-enhanced diffusion …

Effect of heavy ion irradiation dose rate and temperature on α′ precipitation in high purity Fe-18% Cr alloy

Y Zhao, A Bhattacharya, C Pareige, C Massey, P Zhu… - Acta Materialia, 2022 - Elsevier
Cr-rich alpha prime precipitates (CrRP) induce hardening and embrittlement of FeCr alloys,
but the kinetics of CrRP formation due to particle irradiation are not well understood. In this …

On α′ precipitate composition in thermally annealed and neutron-irradiated Fe-9-18Cr alloys

ER Reese, M Bachhav, P Wells, T Yamamoto… - Journal of Nuclear …, 2018 - Elsevier
Ferritic-martensitic steels are leading candidates for many nuclear energy applications.
However, formation of nanoscale α′ precipitates during thermal aging at temperatures …

CuMnNiSi precipitate evolution in irradiated reactor pressure vessel steels: Integrated Cluster Dynamics and experiments

M Mamivand, P Wells, H Ke, S Shu, GR Odette… - Acta Materialia, 2019 - Elsevier
Abstract An improved Cluster Dynamics (CD) model of Cu rich and Mn–Ni–Si phase co-
precipitation was developed to provide insights on the combined effects of the flux, fluence …