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Co-deposition of deuterium and impurities in plasma-wall interaction simulators

PISCES-A (1988) . ExperimentsThe Aim:To determine erosion of carbon-based materials:CF222, CF222 1mm SiC, C SiC 30%

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Co-deposition of deuterium and impurities in plasma-wall interaction simulators

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    1. Co-deposition of deuterium and impurities in plasma-wall interaction simulators Marek Rubela, Per Peterssona, Arkadi Kreterb aAlfvén Laboratory, KTH, Association EURATOM–VR, Stockholm, Sweden bIEK-4, Forschungszentrum Jülich, Association EURATOM, Jülich, Germany

    2. PISCES-A (1988) Experiments The Aim: To determine erosion of carbon-based materials: CF222, CF222 + 1mm SiC, C+SiC 30% – Schunk GmbH; CL5890PT – Le Carbonne Lorraine Exposures: FD = 1.15 – 2.81 x 1025 (2 samples 8.8 and 31.8 x 1025) Target T: 623 – 1200 K Sample size: disk f 25 mm

    3. Ion Beam Analysis

    4. Ion Beam Analysis: Impurities

    5. Deuterium and impurities on samples after single exposures

    6. Deuterium and impurity content on samples: All results.

    7. Ion Beam Analysis: Impurities

    8. PISCES-A (2008) Experiment The Aim: To determine deuterium retention in graphites and CFCs. (NB-41 = CFC, Snecma; ITER reference carbon material; ATJ = graphite) Exposure: FD = 1- 50 x 1025 m-2 Target T: 370 - 820 K Sample size: disks f 25 mm Number of samples: 3

    9. PISCES-A (2008): Example of results

    10. PSI-2 (Berlin, 1998)

    11. PSI-2 (Berlin, 1998) Experiment The Aim: To determine deuterium retention in NS-31. (NS-31 = CFC with SiC, Snecma) Exposure: FD = 1.26 x 1025 (5 h, 7x1021 m-2s-1) Target T: 420 K Sample size: disk f 20 mm

    12. Ion Beam Analysis of NS-31

    13. PSI-2 (Berlin, 1998): NS-31

    14. Summary of Results PSI-2

    15. Summary and Concluding Remarks

    16. Summary and Concluding Remarks

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