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Plasma-Material Interaction Data Set 269
Solubility of H 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: F82H
- Method: Experiment
- Data scaled for isotope mass? No
- Ks0 = 0.3 mol m-3 Pa-1/2
- Es = 0.27 eV
- T = 373 – 723 K
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- B92: E. Serra, G. Benamati, "Hydrogen behaviour in aged low activation martensitic steel F82H for fusion reactor applications
", Materials Science and Technology 14, 573-578 (1998). [10.1179/mst.1998.14.6.573]
Comment
A time dependent permeation method is used to measure the permeability, diffusivity, and solubility of hydrogen in the low activation martensitic steel F82H. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.