Return to search
Plasma-Material Interaction Data Set 141
Permeation of H in Ni
$$
P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Ni
- Material composition: 99.999%
- Method: Experiment
- Data scaled for isotope mass? No
- P0 = 8.16(32)e-7 mol m-1 s-1 Pa-1/2
- Ep = 0.5710(20) eV
- T = 473 – 693 K
Download JSON
- B90: Y. Ebisuzaki, W. J. Kass, M. O'Keeffe, "Diffusion and Solubility of Hydrogen in Single Crystals of Nickel and Nickel—Vanadium Alloy
", The Journal of Chemical Physics 46, 1378-1381 (1967). [10.1063/1.1840860]
Comment
Square root pressure dependence confirmed. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.