Physics basis for the first ITER tungsten divertor

RA Pitts, X Bonnin, F Escourbiac, H Frerichs… - Nuclear Materials and …, 2019 - Elsevier
On the eve of component procurement, this paper discusses the present physics basis for
the first ITER tungsten (W) divertor, beginning with a reminder of the key elements defining …

Behavior of tungsten under irradiation and plasma interaction

M Rieth, R Doerner, A Hasegawa, Y Ueda… - Journal of Nuclear …, 2019 - Elsevier
In 1959 the Journal of Nuclear Materials (JNM) was founded and is now celebrating its
Diamond Anniversary year. The present paper is part of a series in which single JNM …

[HTML][HTML] Challenges for plasma-facing components in nuclear fusion

J Linke, J Du, T Loewenhoff, G Pintsuk… - Matter and Radiation …, 2019 - pubs.aip.org
The interaction processes between the burning plasma and the first wall in a fusion reactor
are diverse: the first wall will be exposed to extreme thermal loads of up to several tens of …

The influence of plasma-surface interaction on the performance of tungsten at the ITER divertor vertical targets

G De Temmerman, T Hirai, RA Pitts - Plasma Physics and …, 2018 - iopscience.iop.org
The tungsten (W) material in the high heat flux regions of the ITER divertor will be exposed
to high fluxes of low-energy particles (eg H, D, T, He, Ne and/or N). Combined with long …

Analysis of laser-induced microcracking in tungsten under additive manufacturing conditions: Experiment and simulation

B Vrancken, RK Ganeriwala, MJ Matthews - Acta Materialia, 2020 - Elsevier
Tungsten is receiving increasing interest as a plasma facing material in the ITER fusion
reactor, collimators, and other structural, high temperature applications. Concurrently, there …

Calculation of dislocation binding to helium-vacancy defects in tungsten using hybrid ab initio-machine learning methods

P Grigorev, AM Goryaeva, MC Marinica, JR Kermode… - Acta Materialia, 2023 - Elsevier
Calculations of dislocation-defect interactions are essential to model metallic strength, but
the required system sizes are at or beyond ab initio limits. Current estimates thus have …

Liquid metals as a divertor plasma-facing material explored using the Pilot-PSI and Magnum-PSI linear devices

TW Morgan, P Rindt, GG Van Eden… - Plasma Physics and …, 2017 - iopscience.iop.org
For DEMO and beyond, liquid metal plasma-facing components are considered due to their
resilience to erosion through flowed replacement, potential for cooling beyond conduction …

Selective laser melting additive manufacturing of tungsten with niobium alloying: microstructure and suppression mechanism of microcracks

J Xue, Z Feng, J Tang, C Tang, Z Zhao - Journal of Alloys and Compounds, 2021 - Elsevier
Microcrack suppression is a challenging issue in additive manufacturing of tungsten heavy
alloys (WHAs) due to the high melting point and brittleness of tungsten (W). In this study, W …

Microcrack mitigation during laser scanning of tungsten via preheating and alloying strategies

B Vrancken, RK Ganeriwala, AA Martin… - Additive Manufacturing, 2021 - Elsevier
When tungsten is processed by laser powder bed fusion additive manufacturing, the
combination of high residual stresses and tungsten's inherent ductile-to-brittle transition …

[HTML][HTML] Recrystallization behavior of hot-rolled pure tungsten and its alloy plates during high-temperature annealing

K Tsuchida, T Miyazawa, A Hasegawa… - Nuclear Materials and …, 2018 - Elsevier
We aimed to clarify the behavior of change in the grain structure and hardness of hot-rolled
pure W and its alloys plates developed for various properties by holding at high temperature …