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Plasma-Material Interaction Data Set 350
Permeation of H in Steel
$$
P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Steel
- Alloy: RAFM
- Method: Experiment
- Data scaled for isotope mass? No
- P0 = 4.4e-08 mol m-1 s-1 Pa-1/2
- Ep = 0.43 eV
- T = 300 – 973 K
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- B137: R.A. Causey, R. Karnesky, C.S. Marchi, "Tritium Barriers and Tritium Diffusion in Fusion Reactors", Comprehensive Nuclear Materials, 511-549 (2012). [10.1016/B978-0-08-056033-5.00116-6]
Comment
Data provided by Masashi Shimada (Idaho National Laboratories, USA, 2024).