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Plasma-Material Interaction Data Set 329
Permeation of H in Nb
$$
P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Nb
- Method: Experiment
- Data scaled for isotope mass? No
- P0 = 6.3e-09 mol m-1 s-1 Pa-1/2
- Ep = -0.26 eV
- T = 625 – 773 K
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- B122: E. Veleckis, R. Keith Edwards, "Thermodynamic properties in the systems vanadium-hydrogen, niobium-hydrogen, and tantalum-hydrogen", The Journal of Physical Chemistry 73, 683-692 (1969). [10.1021/j100723a033]
- B138: J. Volkl, G. Alefeld, "Diffusion in Solids", [missing journal], 232-302 (1975). [https://doi.org/10.1016/B978-0-12-522660-8.50010-6]
Comment
Data provided by Masashi Shimada (Idaho National Laboratories, USA, 2024).