Abstract:In the present research, molecular dynamics simulation is applied to study the interactions between tungsten dusts and a beryllium plasma-facing material surface. Calculation results show that it is quite difficult for nanometer-size dust particles to damage the plasma-facing material surface, which is different from the micrometer-size ones. The reason may be the size difference between dust and crystal grains. The depth of dust penetration into plasma-facing materials is closely related to the incident veloc… Show more
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