[HTML][HTML] The brittle-to-ductile transition in cold-rolled tungsten sheets: Contributions of grain and subgrain boundaries to the enhanced ductility after pre-deformation

C Bonnekoh, P Lied, S Zaefferer, U Jäntsch… - Nuclear Materials and …, 2020 - Elsevier
One of the key demands on tungsten (W) as designated plasma-facing material (PFM) is the
capability to fulfill a structural function. Since W has refused ductilization strategies by …

Simulation of helium behavior near subsurface prismatic dislocation loops in tungsten

KD Hammond, F Ferroni, BD Wirth - Fusion Science and …, 2017 - Taylor & Francis
We analyze the effect of subsurface prismatic dislocation loops on the surface morphology
and helium clustering behavior of plasma-facing tungsten through the use of molecular …

The thermal stability of dispersion-strengthened tungsten as plasma-facing materials: a short review

T Zhang, Z Xie, J Yang, T Hao, C Liu - Tungsten, 2019 - Springer
One key challenge for the development of fusion energy is plasma-facing materials.
Tungsten-based materials are promising candidates for plasma-facing components (PFCs) …

[HTML][HTML] Theoretical model of helium bubble growth and density in plasma-facing metals

KD Hammond, D Maroudas, BD Wirth - Scientific Reports, 2020 - nature.com
We present a theoretically-motivated model of helium bubble density as a function of volume
for high-pressure helium bubbles in plasma-facing tungsten. The model is a good match to …

[HTML][HTML] Non-dilute helium-related defect interactions in the near-surface region of plasma-exposed tungsten

A Weerasinghe, L Hu, KD Hammond… - Journal of Applied …, 2020 - pubs.aip.org
We report a systematic energetic analysis of helium-related defect interactions that mediate
helium (He) segregation on surfaces of plasma-exposed tungsten at different levels of He …

[HTML][HTML] A molecular dynamics study on the influence of vacancies and interstitial helium on mechanical properties of tungsten

CLM Petersson, A Fredriksson, S Melin, A Ahadi… - Journal of Nuclear …, 2023 - Elsevier
Tungsten is a prime candidate material for use in plasma facing components in nuclear
fusion reactors. This would entail weathering extreme conditions, such as high thermal loads …

Highly porous tungsten for plasma-facing applications in nuclear fusion power plants: a computational analysis of hollow nanoparticles

P Díaz-Rodríguez, F Munoz, J Rogan… - Nuclear …, 2020 - iopscience.iop.org
Plasma-facing materials (PFMs) for nuclear fusion, either in inertial confinement fusion (ICF)
or in magnetic confinement fusion (MCF) approaches, must withstand extremely hostile …

Development of multi-scale computational frameworks to solve fusion materials science challenges

A Lasa, S Blondel, MA Cusentino, D Dasgupta… - Journal of Nuclear …, 2024 - Elsevier
Over the past two decades, the US-DOE has funded multiple projects that rely on high-
performance computing and exascale computing platforms to accelerate scientific …

[图书][B] Surface response of tungsten to helium and hydrogen plasma flux as a function of temperature and incident kinetic energy

F Sefta - 2013 - search.proquest.com
Tungsten is a leading candidate material for the diverter in future nuclear fusion reactors.
Previous experiments have demonstrated that surface defects and bubbles form in tungsten …

Effect of high flux plasma exposure on the micro-structural and-mechanical properties of ITER specification tungsten

A Dubinko, D Terentyev, A Bakaeva, T Pardoen… - Nuclear Instruments and …, 2017 - Elsevier
We have performed a combined study using transmission electron microscopy (TEM),
nuclear reaction analysis (NRA) and nano-indentation (NI) techniques to reveal the impact …