LIBS detection of erosion/deposition and deuterium retention resulting from exposure to Pilot-PSI plasmas

K. Piip, H.J. van der Meiden, L. Hämarik, J. Karhunen, A. Hakola, M. Laan, P. Paris, M. Aints, J. Likonen, K. Bystrov, J. Kozlova, A. Saloznik, M. Kelemen, S. Markelj

    Research output: Contribution to journalArticleScientificpeer-review

    7 Citations (Scopus)

    Abstract

    Samples with tungsten (W) and tungsten-yttrium (Y) coatings on molybdenum were exposed to plasmas simulating the divertor conditions of ITER. The exposed surfaces were studied using in-situ laser induced breakdown spectroscopy diagnostics (LIBS) and the results were compared to those obtained by other surface characterization methods. Our results show that LIBS is a reliable technique for in situ monitoring of erosion, deposition, and fuel retention processes under reactor-relevant conditions. In the regions of the highest gross erosion the thickness of the remaining tungsten layer is thinnest and at the central part of samples both mixing and deposition of components took place. LIBS also allowed reliable recording of D retention. D accumulation is influenced by the surface temperature as well as by the surface irregularities.
    Original languageEnglish
    Pages (from-to)129-136
    Number of pages8
    JournalJournal of Nuclear Materials
    Volume489
    DOIs
    Publication statusPublished - 1 Jun 2017
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Laser induced breakdown spectroscopy
    laser-induced breakdown spectroscopy
    Deuterium
    Tungsten
    erosion
    deuterium
    Erosion
    tungsten
    Plasmas
    yttrium
    irregularities
    Yttrium
    surface temperature
    molybdenum
    Molybdenum
    recording
    reactors
    coatings
    Coatings
    Monitoring

    Cite this

    Piip, K. ; van der Meiden, H.J. ; Hämarik, L. ; Karhunen, J. ; Hakola, A. ; Laan, M. ; Paris, P. ; Aints, M. ; Likonen, J. ; Bystrov, K. ; Kozlova, J. ; Saloznik, A. ; Kelemen, M. ; Markelj, S. / LIBS detection of erosion/deposition and deuterium retention resulting from exposure to Pilot-PSI plasmas. In: Journal of Nuclear Materials. 2017 ; Vol. 489. pp. 129-136.
    @article{81a5082f40d64a1493d30d14f8b93db5,
    title = "LIBS detection of erosion/deposition and deuterium retention resulting from exposure to Pilot-PSI plasmas",
    abstract = "Samples with tungsten (W) and tungsten-yttrium (Y) coatings on molybdenum were exposed to plasmas simulating the divertor conditions of ITER. The exposed surfaces were studied using in-situ laser induced breakdown spectroscopy diagnostics (LIBS) and the results were compared to those obtained by other surface characterization methods. Our results show that LIBS is a reliable technique for in situ monitoring of erosion, deposition, and fuel retention processes under reactor-relevant conditions. In the regions of the highest gross erosion the thickness of the remaining tungsten layer is thinnest and at the central part of samples both mixing and deposition of components took place. LIBS also allowed reliable recording of D retention. D accumulation is influenced by the surface temperature as well as by the surface irregularities.",
    author = "K. Piip and {van der Meiden}, H.J. and L. H{\"a}marik and J. Karhunen and A. Hakola and M. Laan and P. Paris and M. Aints and J. Likonen and K. Bystrov and J. Kozlova and A. Saloznik and M. Kelemen and S. Markelj",
    year = "2017",
    month = "6",
    day = "1",
    doi = "10.1016/j.jnucmat.2017.03.044",
    language = "English",
    volume = "489",
    pages = "129--136",
    journal = "Journal of Nuclear Materials",
    issn = "0022-3115",
    publisher = "Elsevier",

    }

    Piip, K, van der Meiden, HJ, Hämarik, L, Karhunen, J, Hakola, A, Laan, M, Paris, P, Aints, M, Likonen, J, Bystrov, K, Kozlova, J, Saloznik, A, Kelemen, M & Markelj, S 2017, 'LIBS detection of erosion/deposition and deuterium retention resulting from exposure to Pilot-PSI plasmas', Journal of Nuclear Materials, vol. 489, pp. 129-136. https://doi.org/10.1016/j.jnucmat.2017.03.044

    LIBS detection of erosion/deposition and deuterium retention resulting from exposure to Pilot-PSI plasmas. / Piip, K.; van der Meiden, H.J.; Hämarik, L.; Karhunen, J.; Hakola, A.; Laan, M.; Paris, P.; Aints, M.; Likonen, J.; Bystrov, K.; Kozlova, J.; Saloznik, A.; Kelemen, M.; Markelj, S.

    In: Journal of Nuclear Materials, Vol. 489, 01.06.2017, p. 129-136.

    Research output: Contribution to journalArticleScientificpeer-review

    TY - JOUR

    T1 - LIBS detection of erosion/deposition and deuterium retention resulting from exposure to Pilot-PSI plasmas

    AU - Piip, K.

    AU - van der Meiden, H.J.

    AU - Hämarik, L.

    AU - Karhunen, J.

    AU - Hakola, A.

    AU - Laan, M.

    AU - Paris, P.

    AU - Aints, M.

    AU - Likonen, J.

    AU - Bystrov, K.

    AU - Kozlova, J.

    AU - Saloznik, A.

    AU - Kelemen, M.

    AU - Markelj, S.

    PY - 2017/6/1

    Y1 - 2017/6/1

    N2 - Samples with tungsten (W) and tungsten-yttrium (Y) coatings on molybdenum were exposed to plasmas simulating the divertor conditions of ITER. The exposed surfaces were studied using in-situ laser induced breakdown spectroscopy diagnostics (LIBS) and the results were compared to those obtained by other surface characterization methods. Our results show that LIBS is a reliable technique for in situ monitoring of erosion, deposition, and fuel retention processes under reactor-relevant conditions. In the regions of the highest gross erosion the thickness of the remaining tungsten layer is thinnest and at the central part of samples both mixing and deposition of components took place. LIBS also allowed reliable recording of D retention. D accumulation is influenced by the surface temperature as well as by the surface irregularities.

    AB - Samples with tungsten (W) and tungsten-yttrium (Y) coatings on molybdenum were exposed to plasmas simulating the divertor conditions of ITER. The exposed surfaces were studied using in-situ laser induced breakdown spectroscopy diagnostics (LIBS) and the results were compared to those obtained by other surface characterization methods. Our results show that LIBS is a reliable technique for in situ monitoring of erosion, deposition, and fuel retention processes under reactor-relevant conditions. In the regions of the highest gross erosion the thickness of the remaining tungsten layer is thinnest and at the central part of samples both mixing and deposition of components took place. LIBS also allowed reliable recording of D retention. D accumulation is influenced by the surface temperature as well as by the surface irregularities.

    UR - http://www.scopus.com/inward/record.url?scp=85017103445&partnerID=8YFLogxK

    U2 - 10.1016/j.jnucmat.2017.03.044

    DO - 10.1016/j.jnucmat.2017.03.044

    M3 - Article

    VL - 489

    SP - 129

    EP - 136

    JO - Journal of Nuclear Materials

    JF - Journal of Nuclear Materials

    SN - 0022-3115

    ER -