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
helium flux effects on helium transport and surface evolution in plasma-facing tungsten using
bubble-bursting events that are responsible for significant and very sudden changes in …

Helium bubble size effects on the surface morphological response of plasma-facing tungsten

ON Patel, D Dasgupta, BD Wirth… - Materials Research …, 2023 - iopscience.iop.org
effects of helium (He) bubble size on the morphological evolution and pattern formation on
the surface of tungsten used as a plasma-facing … of surface morphological evolution according …

[HTML][HTML] Hole formation effect on surface morphological response of plasma-facing tungsten

CS Chen, D Dasgupta, BD Wirth… - Journal of Applied …, 2021 - pubs.aip.org
… the effect of helium (He) bubble bursting-mediated surface hole formation on the surface
morphological response of tungsten plasma-facing … process on the surface of PFC tungsten. Our …

Helium effects on tungsten surface morphology and deuterium retention

Y Ueda, HY Peng, HT Lee, N Ohno, S Kajita… - Journal of Nuclear …, 2013 - Elsevier
… to examine the flux effect on the nano-structure formation. … effects on enhanced erosion
of W plasma facing materials. … of large surface He bubbles and grain growth at elevated …

Effects of low energy and high flux helium/hydrogen plasma irradiation on tungsten as plasma facing material

Y Minyou - Plasma Science and Technology, 2005 - iopscience.iop.org
… and bubble formations on the tungsten surface under low energy (< 100 eV) and high flux (>
… In fact, the surface morphology of the W surface irradiated by the H plasma was found to be …

Helium induced nanoscopic morphology on tungsten under fusion relevant plasma conditions

MJ Baldwin, RP Doerner - Nuclear Fusion, 2008 - iopscience.iop.org
… change in the surface morphology. The once polished … tungsten compared with those near
the plasma-facing … hydrogen isotopes in the plethora of helium nanobubbles/voids [14] within …

Surface morphology and helium retention on tungsten exposed to low energy and high flux helium plasma

K Tokunaga, RP Doerner, R Seraydarian… - Journal of nuclear …, 2003 - Elsevier
… , tungsten became one of the candidate plasma facing … The plasma facing materials will
be subjected to high-flux … The results show that helium enhances the formation of bubbles

Effects of elastic softening and helium accumulation kinetics on surface morphological evolution of plasma-facing tungsten

CS Chen, D Dasgupta, A Weerasinghe, BD Wirth… - Nuclear …, 2020 - iopscience.iop.org
… Additionally, the helium-implanted nanobubble layer is … helium bubbles, all of which are
assumed to have the same radius, with the bubbles growing in size with increasing helium

Effect of helium flux on near-surface helium accumulation in plasma-exposed tungsten

G Nandipati, KD Hammond, D Maroudas… - Journal of Physics …, 2021 - iopscience.iop.org
… that helium bubbles tend to form deeper with decreasing flux or … tungsten surface morphology
as a function of helium flux, … In this study, the plasma-facing surface is assumed to be W(…

[HTML][HTML] Helium aggregation and surface morphology near grain boundaries in plasma-facing tungsten

KD Hammond, D Maroudas, BD Wirth - Journal of Applied Physics, 2024 - pubs.aip.org
… Such helium-induced surface morphology is particularly … fusion devices, as the plasma-facing
material in such devices … the surface serve as barriers to helium transport, reduce bubble