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The plasma-surface interaction is an important task in the nuclear fusion research. The interaction of plasma on graphite and the coated graphite has been studied by using LAS-2000 mass spectrometer, RF ion source and HL-1M Tokamak. It turned out that:(1) the chemical erosion reaches maximum value at 770 K during the
The plasma of surface interaction is an important task in the nuclear fusion research. The interaction of plasma on graphite and the coated graphite has been studied by using LAS-2000 mass spectrometer, RF ion source and HL-1M Tokamak. It turned out that: (1) the chemical erosion reaches maximum value at 770 K during the