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 …
Diamond Anniversary year. The present paper is part of a series in which single JNM …
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 …
confinement nuclear fusion reactors, has been known for the last decade to form'fuzz'—a …
A review of surface damage/microstructures and their effects on hydrogen/helium retention in tungsten
YG Li, QR Zheng, LM Wei, CG Zhang, Z Zeng - Tungsten, 2020 - Springer
The change in surface damage/microstructures and its effects on the hydrogen (H)
isotope/helium (He) dynamic behavior are the key factors for investigating issues of tungsten …
isotope/helium (He) dynamic behavior are the key factors for investigating issues of tungsten …
Continuum-scale modeling of helium bubble bursting under plasma-exposed tungsten surfaces
S Blondel, DE Bernholdt, KD Hammond… - Nuclear Fusion, 2018 - iopscience.iop.org
We present a comparison between a continuum-scale drift-diffusion-reaction cluster
dynamics prediction of helium retention in low-energy helium plasma exposed tungsten and …
dynamics prediction of helium retention in low-energy helium plasma exposed tungsten and …
Helium segregation on surfaces of plasma-exposed tungsten
D Maroudas, S Blondel, L Hu… - Journal of Physics …, 2016 - iopscience.iop.org
We report a hierarchical multi-scale modeling study of implanted helium segregation on
surfaces of tungsten, considered as a plasma facing component in nuclear fusion reactors …
surfaces of tungsten, considered as a plasma facing component in nuclear fusion reactors …
Helium flux effects on bubble growth and surface morphology in plasma-facing tungsten from large-scale molecular dynamics simulations
KD Hammond, IV Naeger, W Widanagamaachchi… - Nuclear …, 2019 - iopscience.iop.org
We investigate helium flux effects on helium transport and surface evolution in plasma-
facing tungsten using molecular dynamics. The simulations span two orders of magnitude …
facing tungsten using molecular dynamics. The simulations span two orders of magnitude …
Temperature dependence of underdense nanostructure formation in tungsten under helium irradiation
Recently, tungsten has been found to form a highly underdense nanostructured morphology
(“W fuzz”) when bombarded by an intense flux of He ions, but only in the temperature …
(“W fuzz”) when bombarded by an intense flux of He ions, but only in the temperature …
Flux dependence of helium retention in clean W (1 1 0): Experimental evidence for He self-trapping
Helium (He) retention in tungsten (W) is a concern in fusion reactors since it could be
detrimental to plasma facing components performance and influence the fusion fuel …
detrimental to plasma facing components performance and influence the fusion fuel …
Molecular-dynamics analysis of mobile helium cluster reactions near surfaces of plasma-exposed tungsten
L Hu, KD Hammond, BD Wirth… - Journal of Applied Physics, 2015 - pubs.aip.org
We report the results of a systematic atomic-scale analysis of the reactions of small mobile
helium clusters (He n, 4≤ n≤ 7) near low-Miller-index tungsten (W) surfaces, aiming at a …
helium clusters (He n, 4≤ n≤ 7) near low-Miller-index tungsten (W) surfaces, aiming at a …
In-situ TEM analysis on early-stage evolution of dislocation loops in 30 keV H2+ irradiated W
X Liu, Y Li, G Ran, Y Ding, X Huang - Materials Science and Engineering: A, 2022 - Elsevier
The evolution and dynamic behaviors of dislocation loops in tungsten (W) under 30 keV H
2+ irradiation have been studied through in-situ TEM observation. The study covered a dose …
2+ irradiation have been studied through in-situ TEM observation. The study covered a dose …