Overview of material migration and erosion experiments in the full-tungsten WEST tokamak during Phase 1 and Phase 2 operations

Nuclear Fusion 2026 Open access

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Authors: Antti Hakola, Mathilde Diez, N. Fedorczak, J. Gaspar, Emmanuelle Tsitrone, Martin Balden, Y. Corre, Stefano Di Genova, A Huart, Céline Martin, Iva Bogdanović Radović, Elzbieta Fortuna-Zalesna
+17 more E. Grigore, Indrek Jõgi, Mitja Kelemen, Karl Krieger, Anastasios Lagogiannis, Jari Likonen, S. Markelj, Rodrigo Mateus, Konstantina Mergia, P. Paris, P Petersson, Zdravko Siketić, Pavlos Tsavalas, Tomi Vuoriheimo, A. Widdowson, the WEST Team, the EUROfusion Tokamak Exploitation Team
DOI: 10.1088/1741-4326/ae855e
Cited by: 1
References: 57

Abstract

Abstract This paper gives an overview of erosion and migration studies of tungsten (W) in the WEST tokamak during its Phase 1 (2016–2021) and Phase 2 (from 2022) experimental campaigns with a focus on plasma-facing components (PFCs) at the divertor. In Phase 1, gross erosion of PFCs is in line with observations from other major fusion devices and attributed to low- Z impurities in the plasma. In addition, a strong asymmetry is observed between the high- (inner) and low-field (outer) side divertor targets, in favour of the inner side. Net erosion at rates of

Fields of Study & Subjects

Fusion materials and technologies Magnetic confinement fusion research Vacuum and Plasma Arcs

Publication details

Journal / source
Nuclear Fusion
Publisher
IOP Publishing
Volume
66
Issue
8
Pages
086041–086041
Publication date
2 July 2026
Language
EN