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Mini-Conference: Modeling of Material Evolution During Low-Energy H and He Plasma Exposure

ORAL · TM09 · ID: 21922

Presentations

  • Continuum-scale Modeling of Surface Morphological Response of Plasma-Facing Tungsten

    ORAL

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    Publication: 1. D. Dasgupta, R.D. Kolasinski, R.W. Friddle, L. Du, D. Maroudas, and B.D. Wirth, "On the origin of 'fuzz' formation in plasma-facing materials," Nuclear Fusion 59, Article No. 086057, 11 pages (2019). <br>2. D. Dasgupta, D. Maroudas, and B.D. Wirth, "Prediction of temperature range for the onset of fuzz formation in helium-plasma-implanted tungsten," Surface Science 698, Article No. 121614, 7 pages (2020).<br>3. C.-S. Chen, D. Dasgupta, A. Weerasinghe, B.D. Wirth, and D. Maroudas, "Effects of elastic softening and helium accumulation kinetics on surface morphological evolution of plasma-facing tungsten," Nuclear Fusion 61, Article No. 016016, 11 pages (2021).<br>4. C.-S. Chen, D. Dasgupta, B.D. Wirth, and D. Maroudas, "Hole formation effect on surface morphological response of plasma-facing tungsten," Journal of Applied Physics 129, Article No. 193302, 12 pages (2021).<br>5. C.-S. Chen, D. Dasgupta, R.D. Kolasinski, B.D. Wirth, and D. Maroudas, "Onset of fuzz formation in plasma-facing tungsten as a surface morphological instability," under review (2021).

    Presenters

    • Dwaipayan Dasgupta

      University of Tennessee, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA

    Authors

    • Dwaipayan Dasgupta

      University of Tennessee, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA

    • Chao-Shou Chen

      Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA

    • Brian D Wirth

      University of Tennessee, University of Tennessee Knoxville, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA; Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA

    • Dimitrios Maroudas

      University of Massachusetts Amherst, Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA

    View abstract →

  • Mechanical Properties of Plasma-Exposed Tungsten

    ORAL

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    Publication: A. Weerasinghe, B. D. Wirth, and D. Maroudas, ACS Appl. Mater. Interfaces 12, 22287 (2020)

    Presenters

    • Asanka T Weerasinghe

      University of Massachusetts Amherst

    Authors

    • Asanka T Weerasinghe

      University of Massachusetts Amherst

    • Brian D Wirth

      University of Tennessee, University of Tennessee Knoxville, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA; Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA

    • Dimitrios Maroudas

      University of Massachusetts Amherst, Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA

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  • Pressure-based Helium Bubble Bursting Modeling

    ORAL

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    Presenters

    • Wahyu Setyawan

      Pacific Northwest Natl Lab

    Authors

    • Wahyu Setyawan

      Pacific Northwest Natl Lab

    • Giridhar Nandipati

      Pacific Northwest National Laboratory

    • Dwaipayan Dasgupta

      University of Tennessee, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA

    • Dimitrios Maroudas

      University of Massachusetts Amherst, Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA

    • Karl D Hammond

      University of Missouri, Columbia, MO, University of Missouri

    • Sophie Blondel

      University of Tennessee

    • Brian D Wirth

      University of Tennessee, University of Tennessee Knoxville, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA; Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA

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  • Improving the Bubble Bursting Model in Cluster Dynamics Simulations of Low-Energy Helium Plasma-Exposed Tungsten

    ORAL

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    Presenters

    • Sophie Blondel

      University of Tennessee

    Authors

    • Sophie Blondel

      University of Tennessee

    • Dwaipayan Dasgupta

      University of Tennessee, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA

    • Yogendra S Panchal

      University of Tennessee

    • Brian D Wirth

      University of Tennessee, University of Tennessee Knoxville, Department of Nuclear Engineering, University of Tennessee, Knoxville, TN 37996, USA; Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA

    View abstract →