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 …

Recent progress of radiation response in nanostructured tungsten for nuclear application

H Xu, LL He, YF Pei, CZ Jiang, WQ Li, XH **ao - Tungsten, 2021 - Springer
Engineering materials for nuclear reactors exposed to high-dose irradiation breed various
radiation damage, leading to performance degradation of materials, which seriously limits …

The evolution of dislocation loop and its interaction with pre-existing dislocation in He+-irradiated molybdenum: in-situ TEM observation and molecular dynamics …

Y Li, G Ran, Y Guo, Z Sun, X Liu, Y Li, X Qiu, Y **n - Acta Materialia, 2020 - Elsevier
In-situ TEM observation and molecular dynamics simulation were used to investigate the
evolution of irradiation-induced dislocation loops and their interactions with the pre-existing …

Loop and void damage during heavy ion irradiation on nanocrystalline and coarse grained tungsten: Microstructure, effect of dpa rate, temperature, and grain size

O El-Atwani, E Esquivel, M Efe, E Aydogan, YQ Wang… - Acta Materialia, 2018 - Elsevier
Displacement damage, through heavy ion irradiation was studied on two tungsten grades
(coarse grained tungsten (CGW) and nanocrystalline and ultrafine grained tungsten (NCW)) …

Parameter-free quantitative simulation of high-dose microstructure and hydrogen retention in ion-irradiated tungsten

DR Mason, F Granberg, M Boleininger… - Physical Review …, 2021 - APS
Hydrogen isotopes are retained in plasma-facing fusion materials, triggering hydrogen
embrittlement and changing tritium inventory as a function of exposure to neutron irradiation …

Unprecedented irradiation resistance of nanocrystalline tungsten with equiaxed nanocrystalline grains to dislocation loop accumulation

O El-Atwani, E Esquivel, E Aydogan, E Martinez… - Acta Materialia, 2019 - Elsevier
Nanocrystalline metals are often postulated as irradiation tolerant materials due to higher
grain boundary densities. The efficiency of these materials in mitigating irradiation damage …

[HTML][HTML] Simulated TEM imaging of a heavily irradiated metal

DR Mason, M Boleininger, J Haley, E Prestat, G He… - Acta Materialia, 2024 - Elsevier
Abstract We recast the Howie–Whelan equations for generating simulated transmission
electron microscope (TEM) images, replacing the dependence on local atomic …

Orientation dependence of shock-induced change of habit plane for the 1/2< 111> dislocation loop and plasticity in tungsten

L Guo, L Wang, N Gao, Y Chen, B Liu, W Hu… - International Journal of …, 2022 - Elsevier
Tungsten (W) is a promising candidate material for future fusion reactors. The shock waves
generated under high-energy neutron radiation can lead to the formation of prismatic …

Dislocation structure of tungsten irradiated by medium to high-mass ions

B Wielunska, T Płociński, T Schwarz-Selinger… - Nuclear …, 2022 - iopscience.iop.org
Single crystalline tungsten was irradiated by the medium-mass ion Si with 7.5 MeV and high
mass-ion W with 20.3 MeV up to a calculated peak damage level of 0.04 dpa and 0.5 dpa …

Microstructure evolution and lead-bismuth eutectic corrosion behavior of 11Cr1Si ferritic/martensitic steel after proton irradiation

Q Chen, H Liu, J Yang, C Zhu, W Zhang… - Journal of Nuclear …, 2022 - Elsevier
The effect of proton irradiation fluence on microstructure evolution and lead-bismuth eutectic
(LBE) corrosion behavior of 11Cr1Si ferritic/martensitic (F/M) steels was investigated. The …