首页|Effects of rhenium content on the deuterium permeation and retention behavior in tungsten
Effects of rhenium content on the deuterium permeation and retention behavior in tungsten
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NSTL
Elsevier
The influence of the transmutation element rhenium (Re) content with 3 and 25 wt.% on deuterium (D) permeation in tungsten (W) was investigated. It was found that the addition of Re increased D diffusion coefficient and decreased D permeability, and the D diffusion coefficient of W-3%Re was approximate to that of W-25%Re while the D permeability declined with the increase of Re content. The D retention behavior in the W-Re alloys have been studied after D plasmas exposure employing the Material and Plasma Evaluation System (MAPES) in Experimental Advanced Superconducting Tokamak (EAST). As for the higher D solution energy in W-Re alloys, the total D inventory in W was significantly decreased by Re addition. (c) 2022 Elsevier B.V. All rights reserved.
NSTL
Elsevier
