Low energy deuterium plasma driven permeation through tungsten

被引：5
|
作者：
Liu, Hao-Dong [1 ]
Zhou, Hai-Shan [1 ]
Wang, Lu [1 ,2 ]
Xu, Yu-Ping [1 ]
Liu, Feng [3 ]
Ding, Fang [1 ,2 ]
Luo, Guang-Nan [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
[2] Univ Sci & Technol China, Sci Isl Branch, Grad Sch, Hefei 230031, Anhui, Peoples R China
[3] Nanjing Univ Sci & Technol, Sch Sci, Nanjing 210094, Jiangsu, Peoples R China
来源：
FUSION ENGINEERING AND DESIGN | 2019年 / 148卷
基金：
中国国家自然科学基金;
关键词：
Tungsten; Hydrogen isotope; Plasma driven permeation; TRITIUM PERMEATION; HYDROGEN; RETENTION; IMPLANTATION; DEPENDENCE; DIFFUSION; BEHAVIOR;
D O I：
10.1016/j.fusengdes.2019.111267
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Low energy ((similar to)eV) deuterium (D) plasma-driven permeation (PDP) experiments for tungsten have been performed in the temperature range of 750-973 K. The transient permeation behavior is found to be strongly affected by trapping effect. The steady state PDP fluxes increase rapidly with increasing temperature below 910 K but increase slowly with increasing temperature above 910 K. The two different temperature dependences of PDP fluxes are due to different temperature dependences of D recombination coefficients on the front surface.
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页数：4
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