Influence of grain boundaries on the radiation-induced defects and hydrogen in nanostructured and coarse-grained tungsten
We have studied the influence of grain boundaries (GBs) on the radiation-induced defect
evolution and on H retention at 300 K, both experimentally and by computer simulations. For …
evolution and on H retention at 300 K, both experimentally and by computer simulations. For …
Comparative study regarding the sputtering yield of nanocolumnar tungsten surfaces under irradiation
A Lopez-Cazalilla, C Cupak, M Fellinger… - Physical Review …, 2022 - APS
Nanostructured tungsten has been proposed as a promising option for plasma facing
materials in future fusion reactors, because compared to conventional tungsten it shows …
materials in future fusion reactors, because compared to conventional tungsten it shows …
Hydrogen diffusion and trap** in nanocrystalline tungsten
The hydrogen behavior in nanocrystalline W (ncW) samples with grain size of 5 and 10 nm
is studied using Molecular Dynamics (MD) with a bond order potential (BOP) for the W–H …
is studied using Molecular Dynamics (MD) with a bond order potential (BOP) for the W–H …
The influence of high grain boundary density on helium retention in tungsten
In order to study the influence of a high grain boundary density on the amount, size and
distribution of defects produced by pulsed helium (625 keV) irradiation in tungsten, we have …
distribution of defects produced by pulsed helium (625 keV) irradiation in tungsten, we have …
H trap** and mobility in nanostructured tungsten grain boundaries: a combined experimental and theoretical approach
The trap** and mobility of hydrogen in nanostructured tungsten grain boundaries (GBs)
have been studied by combining experimental and density functional theory (DFT) data …
have been studied by combining experimental and density functional theory (DFT) data …
Hydrogen accumulation in nanostructured as compared to the coarse-grained tungsten
We report on the influence of sample microstructure and of irradiation conditions on the H
behaviour in Tungsten (W). For this purpose, commercial coarse grained (CGW) and …
behaviour in Tungsten (W). For this purpose, commercial coarse grained (CGW) and …
Experimental and computational studies of the influence of grain boundaries and temperature on the radiation-induced damage and hydrogen behavior in tungsten
We study the influence of grain boundaries (GBs) on radiation-induced vacancies, as well as
on the hydrogen (H) behavior in tungsten (W) samples with different grain sizes in the …
on the hydrogen (H) behavior in tungsten (W) samples with different grain sizes in the …
Sputter yield reduction and fluence stability of numerically optimized nanocolumnar tungsten surfaces
Nanocolumnar tungsten surfaces were investigated with numerical techniques regarding
their potential to reduce sputtering by ion bombardment. We simulated a large number of …
their potential to reduce sputtering by ion bombardment. We simulated a large number of …
[HTML][HTML] Coexistence of a self-interstitial atom with light impurities in a tungsten grain boundary
D Fernández-Pello, MA Cerdeira… - Journal of Nuclear …, 2022 - Elsevier
In this paper, we report on ab initio simulations results focused on completing a thorough
energetic, structural, charge and mobility analysis of the synergistic behaviour of diverse …
energetic, structural, charge and mobility analysis of the synergistic behaviour of diverse …
Fusion technology aspects of laser inertial fusion energy (LIFE)
This paper provides an overview of one option for LLNL's LIFE power plant design with a
focus on the fusion nuclear science and technology aspects. The design is based on 132 MJ …
focus on the fusion nuclear science and technology aspects. The design is based on 132 MJ …