EFFET GORSKYHYDROGEN DIFFUSION IN TANTALUM
- 1 July 1971
- journal article
- Published by EDP Sciences in Le Journal de Physique Colloques
- Vol. 32 (C2) , C2-59
- https://doi.org/10.1051/jphyscol:1971212
Abstract
The Gorsky effect has been investigated in the H-Ta system at very low hydrogen contents (from 0.12 to 0.25 at. %) ; the measurements have been made in the frequency range 2.8-23 Hz. The diffusion coefficient of hydrogen has been found to obey an Arrhenius-type law in the temperature range 210-525 °K, the diffusion parameters being DOH = 3 x 10-4±0.6 cm2/s and WH = 0.15 ± 0.03 eV. A deviation from the exponential behaviour has been observed at lower temperaturesKeywords
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