Author/Authors :
Gasparyan، نويسنده , , Yu.M. and Golubeva، نويسنده , , A.V. and Mayer، نويسنده , , M. A. Pisarev، نويسنده , , A.A. and Roth، نويسنده , , J.، نويسنده ,
Abstract :
The ion-driven permeation (IDP) through 50 μm thick pure tungsten foils was measured in the temperature range of 823–923 K during irradiation by 200 eV/D+ ion beam with a flux of 1017–1018 D/m2s. Gas driven permeation (GDP) from the deuterium background gas was observed as well. Calculations using both the analytical formula for the diffusion limited regime (DLR) and the TMAP 7 code gave good agreement with the experimental data. Defects with a detrapping energy of (2.05 ± 0.15) eV were found to limit the permeation lag time in our experimental conditions.
