Deuterium plasma-driven permeation through vanadium, niobium and tantalum membranes
Deuterium plasma-driven permeation through vanadium, niobium and tantalum membranes
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氘等离子体驱动的钒、铌和钽膜渗透
DOI:
10.1016/j.fusengdes.2021.112755
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发表时间:
2021-11
影响因子:
1.7
通讯作者:
Guang-Nan Luo
中科院分区:
文献类型:
--
作者:
Lu Wang;Hai-Shan Zhou;Hao-Dong Liu;Yu-Ping Xu;Qiang Qi;Guang-Nan Luo
Deuterium (D) plasma-driven permeation (PDP) experiments for vanadium (V), niobium (Nb) and tantalum (Ta) membranes are performed between 573–873 K in the linear plasma facility PREFACE. The sample temperature, membrane thickness and ion incident energy effects on D permeation behavior through these three metals are studied. PDP fluxes of D through Ta and Nb decrease with decreasing sample temperature, except for the 0.05 mm thick Nb case. Moreover, a break point around 750 K can be observed on the flux-temperature curves for all V samples. The D PDP flux through Nb decreases as the thickness increases. For Ta and V samples, however, the permeation fluxes do not change significantly when their thicknesses are thinner than 0.1 mm. A drop in D permeation fluxes for the three materials is observed when increasing the ion incident energy. The surface morphology is checked by Scanning Electron Microscopy (SEM). Only the V membranes exposed to D plasma show surface exfoliation.
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