Preliminary exploration of a WTaVTiCr high-entropy alloy as a plasma-facing material
With great power comes great challenges. For nuclear fusion, the holy grail of energy,
taming the flame of a miniature star in a solid container remains one of the most fundamental …
taming the flame of a miniature star in a solid container remains one of the most fundamental …
High-throughput assessment of local mechanical properties of a selective-laser-melted non-weldable Ni-based superalloy by spherical nanoindentation
Additive manufacturing (AM) enables complex localized microstructure tailoring by layer-
wise printing, which potentially offers exceptional mechanical performance. However …
wise printing, which potentially offers exceptional mechanical performance. However …
Interstitial hydrogen enhances the mobility of some grain boundaries in tungsten
Segregation of interstitials at a grain boundary (GB) is known to generally lower its mobility.
This phenomenon, called'solute-drag', has important ramifications on the process of …
This phenomenon, called'solute-drag', has important ramifications on the process of …
Investigating the effect of tungsten initial microstructure on restoration kinetics using a mean field model
M Lemetais, A Durif, D Piot, M Lenci, M Richou… - Fusion Engineering and …, 2023 - Elsevier
Tungsten is the privileged option as plasma-facing material for the divertor region of ITER
and DEMO tokamaks. Under repeated high thermal fluxes (10 MW/m² in steady state and 20 …
and DEMO tokamaks. Under repeated high thermal fluxes (10 MW/m² in steady state and 20 …
Influence of porosity and blistering on the thermal fatigue behavior of tungsten
Tungsten is the leading plasma-facing material (PFM) for nuclear fusion applications. It faces
severe operating conditions, including intense hydrogen plasma exposure and high-cycle …
severe operating conditions, including intense hydrogen plasma exposure and high-cycle …
Microstructure-based crack formation in tungsten exposed to cyclic transient heating
Y Wang, H Wang, B Mi, J Zhao, C Zhang - Journal of Nuclear Materials, 2023 - Elsevier
The performance of plasma facing material (PFM) in nuclear fusion reactor is dramatically
influenced by the synergy between steady heat loading and transient events. The negative …
influenced by the synergy between steady heat loading and transient events. The negative …
Formation of orientation-dependent surface morphologies on tungsten after low energy helium plasma exposure: multiscale characterization and new insights
In ITER, the helium (He) impurity produced by the deuterium-tritium reaction will bombard
the tungsten (W) divertor armor at the strike points. Consequently, strong interaction occurs …
the tungsten (W) divertor armor at the strike points. Consequently, strong interaction occurs …
[HTML][HTML] Amorphous and anisotropic surface relief formation in tungsten under repeated high-flux hydrogen plasma loads
Facing extreme plasma loads, the structural integrity of the tungsten divertor is crucial for
ITER, an engineering marvel in nuclear fusion reactors, to achieve its fusion performance …
ITER, an engineering marvel in nuclear fusion reactors, to achieve its fusion performance …
Comparative study of ITER conform tungsten grades exposed to high heat flux and neutron irradiation damage
Tungsten is plasma-facing material (PFM) for the divertor and test blanket module to be
deployed in ITER. During operation, sub-components made of tungsten will be subjected to …
deployed in ITER. During operation, sub-components made of tungsten will be subjected to …
On the microstructure evolution in tungsten ITER monoblocks: A computational study
N Castin, S Van den Kerkhof, G Bonny… - Computational Materials …, 2023 - Elsevier
We perform a combined study, coupling three computational methods, to assess the impact
of neutron irradiation and temperature transients on the integrity of tungsten monoblocks in …
of neutron irradiation and temperature transients on the integrity of tungsten monoblocks in …