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 …

Recent progresses on designing and manufacturing of bulk refractory alloys with high performances based on controlling interfaces

T Zhang, HW Deng, ZM **e, R Liu, JF Yang… - Journal of Materials …, 2020‏ - Elsevier
Refractory alloys such as tungsten and molybdenum based alloys with high strength,
thermal/electrical conductivity, low coefficient of thermal expansion and excellent creep …

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 …

In-situ TEM investigation of 30 keV he+ irradiated tungsten: Effects of temperature, fluence, and sample thickness on dislocation loop evolution

Y Li, L Wang, G Ran, Y Yuan, L Wu, X Liu, X Qiu, Z Sun… - Acta Materialia, 2021‏ - Elsevier
In-situ irradiations with 30 keV He+ were performed on tungsten in an investigation of the
influences of irradiation temperature and fluence, pre-existing dislocation and sample …

Enhanced resistance to helium irradiations through unusual interaction between high-entropy-alloy and helium

T Cheng, G Wei, S Jiang, J Zhang, Y Wang, P Liu… - Acta Materialia, 2023‏ - Elsevier
Finding high performance plasma-facing materials (PFMs) is one of the most important and
challenging tasks for realizing the commercial application of fusion reactors. Herein, we …

Helium, hydrogen, and fuzz in plasma-facing materials

KD Hammond - Materials Research Express, 2017‏ - iopscience.iop.org
Tungsten, the primary material under consideration as the divertor material in magnetic-
confinement nuclear fusion reactors, has been known for the last decade to form'fuzz'—a …

A comparative study on the in situ helium irradiation behavior of tungsten: Coarse grain vs. nanocrystalline grain

Z Chen, LL Niu, Z Wang, L Tian, L Kecskes, K Zhu… - Acta Materialia, 2018‏ - Elsevier
Increasing the density of sinks such as grain boundaries and interfaces for irradiation-
induced defects and implanted ions has been demonstrated to be an effective way to …

Grain size threshold for enhanced irradiation resistance in nanocrystalline and ultrafine tungsten

O El-Atwani, JA Hinks, G Greaves… - Materials Research …, 2017‏ - Taylor & Francis
Nanocrystalline metals are considered highly radiation-resistant materials due to their large
grain boundary areas. Here, the existence of a grain size threshold for enhanced irradiation …

Mechanical properties and microstructural change of W–Y2O3 alloy under helium irradiation

X Tan, L Luo, H Chen, X Zhu, X Zan, G Luo, J Chen… - Scientific reports, 2015‏ - nature.com
A wet-chemical method combined with spark plasma sintering was used to prepare a W–
Y2O3 alloy. High-temperature tensile tests and nano-indentation microhardness tests were …

Morphologies of tungsten nanotendrils grown under helium exposure

K Wang, RP Doerner, MJ Baldwin, FW Meyer… - Scientific reports, 2017‏ - nature.com
Nanotendril “fuzz” will grow under He bombardment under tokamak-relevant conditions on
tungsten plasma-facing materials in a magnetic fusion energy device. We have grown …