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The impact of surface morphology on the erosion of metallic surfaces – Modelling with the 3D Monte-Carlo code ERO2.0

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jun 2021 Italy Publisher:Elsevier BVJournal:Nuclear Materials and Energy, volume 27, page 100,987 (issn: 2352-1791, Copyright policy )Funded by:EC | EUROfusion
Authors: S. Brezinsek; A. Kirschner; Ch. Linsmeier; David Dellasega; Matteo Passoni; Espedito Vassallo; B. Göths; +9 Authors

doi: 10.1016/j.nme.2021.100987

The impact of surface morphology on the erosion of metallic surfaces – Modelling with the 3D Monte-Carlo code ERO2.0

Abstract

The roughness of metallic surfaces has a vital impact on the erosion of plasma-facing materials. Roughness determines the effective sputtering yield Yeff of the facing material. The angular/energy distribution of sputtered particles, and the spatial erosion and deposition distribution. The model for simulation the effect of the surface roughness was earlier implemented into the 3D Monte-Carlo code ERO2.0 and validated using results of ion beam experiments and experiments in the linear plasma device PSI-2. In the present study the developed ERO2.0 surface morphology model was applied to the JET-ILW tungsten (W) divertor consisting of smooth bulk W and W-coated CFC components. Influence of the surface roughness on the W erosion as well as on the transport of sputtered material in conditions of inclined magnetic field was investigated. Simulation results are in a good agreement with existing experimental findings. © 2021

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Keywords

ErosionIon beams, TK9001-9401, Nuclear engineering. Atomic power, Monte Carlo methods, Angular distribution, Surface morphology, Surface measurement, 3D modeling, MorphologySputtering

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
10
Top 10%
Average
Top 10%
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gold
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