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Plasma-Material Interaction Data Set 118
Permeation of T 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: OPTIFER-IVb
- Method: Experiment
- Data scaled for isotope mass? No
- P0 = 1.13e-08 mol m-1 s-1 Pa-1/2
- Ep = 0.410(10) eV
- T = 423 – 892 K
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- B86: G. Esteban, A. Perujo, K. Douglas, L. Sedano, "Tritium diffusive transport parameters and trapping effects in the reduced activating martensitic steel OPTIFER-IVb
", Journal of Nuclear Materials 281, 34-41 (2000). [10.1016/s0022-3115(00)00188-4]
Comment
RAM: OPTIFER-IVb: reduced activation martensitic steel, Pressure p^1/2 dependence confirmed. Experiments performed for H and D, values for T derived. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.