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 …

Under the anticipated operating conditions for demonstration magnetic fusion reactors
beyond ITER, structural and plasma-facing materials will be exposed to unprecedented …

Polished W discs exposed to pure He plasma in the PISCES-B linear-divertor-plasma
simulator at 1120 and 1320 K are found to develop deeply nanostructured surface layers …

Molecular dynamics simulations reveal sub-surface mechanisms likely involved in the initial
formation of nanometre-sized'fuzz'in tungsten exposed to low-energy helium plasmas …

Tungsten 'fuzz' growth re-examined: the dependence on ion fluence in non-erosive and erosive
helium plasma - IOPscience Skip to content IOP Science home Accessibility Help Search …

Component development for operation in a large-scale fusion device requires thorough
testing and qualification for the intended operational conditions. In particular environments …

W targets are exposed to D2− Be, He, D2− He and D2− Be− He plasmas in the linear-
plasma-device PISCES-B to simulate the conditions expected at W strike-points in an ITER …

Magnum-PSI is an advanced linear plasma device uniquely capable of producing plasma
conditions similar to those expected in the divertor of ITER both steady-state and transients …

W targets are exposed at fixed temperature in the range∼ 420–1100 K, to either pure D 2, D
2–δHe (0.1< δ< 0.25), or D 2–δHe–γAr (γ= 0.03) mixture plasma, or He pretreatment plasma …

Measurements of deuterium retention in samples of lithium exposed in the liquid state to
deuterium plasma are reported. Retention was measured as a function of plasma ion dose …