Abstract To provide some reference data for estimation of the erosion rates and lifetimes of some candidate plasma facing component (PFC) materials in the plasma stored energy explosive events (PSEEE), this paper calculates the sputtering yields of Mo, W and deuterium saturated Li surface bombarded by energetic charged particles by a new sputtering physics description method based on bipartition model of charge particle transport theory. The comparisons with Monte Carlo data of TRIM code and experimental results are made. The dependences of maximum energy deposition, particle and energy reflection coefficients on the incident energy of energetic runaway electrons impinging on the different material surfaces are also calculated. Results may be useful for estimating the lifetime of PFC and analysing the impurity contamination extent, especially in the PSEEE for high power density and with high plasma current fusion reactor.
Received: 08 December 2005
Revised: 12 January 2006
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundation of China (Grant No 19889502).
Cite this article:
Deng Bai-Quan (邓柏权), Peng Li-Lin (彭利林), Yan Jian-Cheng (严建成), Luo Zheng-Ming (罗正明), Chen Zhi (陈志) Damaging impacts of energetic charge particles on materials in plasma energy explosive events 2006 Chinese Physics 15 1486
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