Erosion of tungsten and carbon markers in the outer divertor of ASDEX-Upgrade

M. Mayer (Corresponding Author), V. Rohde, G. Ramos, E. Vainonen-Ahlgren, Jari Likonen, J.L. Chen

    Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

    Abstract

    The erosion of tungsten and carbon marker layers was studied in the outer divertor of ASDEX Upgrade. The outer strike point area and a large fraction of the outer baffle are net erosion areas for both materials. The net erosion rate of carbon is about 10–20 times larger than the net erosion rate of tungsten. The erosion is strongly inhomogeneous due to surface roughness, with a large erosion on plasma exposed areas of the rough surfaces, and deposition in recessions and pores.
    Original languageEnglish
    JournalPhysica Scripta: Topical Issues
    DOIs
    Publication statusPublished - 2007
    MoE publication typeA4 Article in a conference publication
    Event11th Internernational Workshop on Plasma-Facing Materials and Components for Fusion Applications - Greifswald, Germany
    Duration: 11 Oct 200612 Oct 2006

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