The Erosion Investigation of Sn-CPS Under High Flux Plasma Environment in SCU-PSI

The erosion behavior of liquid tin (Sn) under bias voltage system assisted Ar plasma environment in SCU-PSI was investigated. Optical emission spectroscopy was applied to detect and characterize the emission line of tin spectrum. The result showed that the loss part of tin atom in the plasma beam wa...

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Bibliographic Details
Published in:Journal of fusion energy 2020-06, Vol.39 (3), p.86-91
Main Authors: Ye, Zongbiao, Ma, Xiaochun, Wu, Andong, He, Pingni, Wang, Zhijun, Yan, Qiang, Wei, Jianjun, Zhang, Kun, Gou, Fujun
Format: Article
Language:English
Subjects:
Argon plasma
Atoms
Bias
Electric potential
Emission analysis
Energy
Energy Systems
Equilibrium
Experiments
Force and energy
Heat
High temperature
Magnetic fields
Nuclear Energy
Nuclear Fusion
Optical emission spectroscopy
Original Research
Physics
Physics and Astronomy
Plasma
Plasma Physics
Sustainable Development
Temperature dependence
Tin
Voltage
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Summary:The erosion behavior of liquid tin (Sn) under bias voltage system assisted Ar plasma environment in SCU-PSI was investigated. Optical emission spectroscopy was applied to detect and characterize the emission line of tin spectrum. The result showed that the loss part of tin atom in the plasma beam was very limited. The temperature-dependent abnormal enhanced erosion phenomenon was observed during the plasma irradiation process, and superficial adsorbed atoms model was employed to depict the inherent physical process. The obtained surface binding energy fitted well to our experiment results and other reports. In addition, the incident energy-dependent enhanced erosion behavior was also discussed, obvious tiny tin droplets could be observed separating from capillary porous system at the bias voltage of 25 V, which would be the incident plasma limit value for our experimental setup.
ISSN:0164-0313
1572-9591
DOI:10.1007/s10894-020-00239-4