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Plasma-Material Interaction Data Set 147
Permeation of D 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: 99.00%
- Method: Experiment
- Data scaled for isotope mass? No
- P0 = 3.81e-07 mol m-1 s-1 Pa-1/2
- Ep = 0.58 eV
- T = 473 – 973 K
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- B87: T. Shiraishi, M. Nishikawa, T. Fukumatsu, "Permeation of multi-component hydrogen isotopes through nickel
", Journal of Nuclear Materials 254, 205-214 (1998). [10.1016/s0022-3115(97)00362-0]
Comment
Permeation across Ni tube. Pressure dependence checked but not reported. Mol refers to mol (H2). Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.