Lattice-parameter dependence of the diffusivity of hydrogen in niobium
β Scribed by U. Stuhr; H. Wipf; C. Vettier; H.R. Schober
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 274 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
An electrochemical technique has been used to measure the diffusion coefficient of hydrogen in palladium-copper and palladium-niobium alloys between 0 and 50Β°C. The range of concentration for the copper and niobium additions was 0-lOat.?.,. For all experiments the hydrogen content was kept below 0.1
The permeability time-lag method has been used to determine the diffusivity of hydrogen in palladium in the temperature range 496-946Β°C. Previous measurements had indicated a large positive deviation from Arrhenius behavior in the temperature range above 600Β°C. No such deviation was found in the pre
Using an electrolytic method employing a viscous electrolyte, the diffusivity of hydrogen in aluminum has been measured in the temperature range 285-328 K. The results show that H diffuses by a single-stage process from 285 K up to the melting temperature and no departures from Arrhenius behavior du