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Plasma-Material Interaction Data Set 292

Solubility of H in Al2O3

$$ K_\mathrm{s} = K_\mathrm{s0}\exp \left(-\frac{E_\mathrm{s}}{k_\mathrm{B}T}\right) $$

[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]

Comment

Gas permeation technique. Used Al2O3 tubes. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.

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  1. B76: Y. S. Garud, R. B. Rebak, "Effect of surface oxides on tritium entrance and permeation in FeCrAl alloys for nuclear fuel cladding: a review", Corrosion Reviews 41, 143-169 (2023). [10.1515/corrrev-2022-0033]