2011
DOI: 10.1016/j.jnucmat.2011.02.039
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Hydrogen diffusive transport parameters in W coating for fusion applications

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Cited by 21 publications
(5 citation statements)
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“…The time lag was $6.5 s, and so the Eurofer diffusion coefficient was determined to be 6.4 Â 10 À9 m 2 /s. The observed permeation process through the Eurofer membranes was found to be diffusion limited and our determination of the hydrogen-diffusion transport parameters [21] yields values in very good agreement with the published ones [9,22].…”
Section: Discussionsupporting
confidence: 86%
“…The time lag was $6.5 s, and so the Eurofer diffusion coefficient was determined to be 6.4 Â 10 À9 m 2 /s. The observed permeation process through the Eurofer membranes was found to be diffusion limited and our determination of the hydrogen-diffusion transport parameters [21] yields values in very good agreement with the published ones [9,22].…”
Section: Discussionsupporting
confidence: 86%
“…As best guess, we see a concentration range between 10 2 and 10 4 (mol H)/m 3 as found in measurements of combined magnetron sputtering and ion implantation coatings and in plasma induced W deposits [10][11][12]. Analysis of samples from the AUG tungsten divertor material showed an inventory of 2.5 × 10 3 (mol H)/m 3 [13].…”
Section: Data Set For Hydrogen In Tungstensupporting
confidence: 67%
“…The CMSII-W coating has less porosity compared to VPS-W, and is structured with oriented, nano-sized fine grains [8]. Nevertheless, laboratory experiments have indicated that CMSII-W includes also high density of D trapping sites [18,19] Although PC-W has much lower inherent defect density compared to W coatings, D retention at depths of several m can be enhanced due to the formation of blisters [20]. The blistering is commonly observed on PC-W samples after D exposure at temperatures < 700 K in laboratory experiments, while no clear blistering was found on the AUG solid bulk PC-W tile.…”
Section: Comparison Of Aug Results and Laboratory Resultsmentioning
confidence: 99%