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Plasma-Material Interaction Data Set 271
Solubility of D in Steel
$$
K_\mathrm{s} = K_\mathrm{s0}\exp \left(-\frac{E_\mathrm{s}}{k_\mathrm{B}T}\right)
$$
[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
- Ks0 = 0.325(26) mol m-3 Pa-1/2
- Es = 0.300(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. Measurement of outgassing from cylindrical sample, giving values solubility. Experiments performed for H and D, values for T derived. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.