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Plasma-Material Interaction Data Set 291
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 \(\mathrm{eV\,K^{-1}}\).]
- Material: Al2O3
- Material composition: 99.70%
- Method: Experiment
- Data scaled for isotope mass? No
- Ks0 = 0.0055 mol m-3 Pa-1/2
- Es = 0.23 eV
- T = 1273 – 1673 K
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- B83: E. Serra, A. Calza Bini, G. Cosoli, L. Pilloni, "Hydrogen Permeation Measurements on Alumina", Journal of the American Ceramic Society 88, 15-18 (2004). [10.1111/j.1551-2916.2004.00003.x]
Comment
Measurement of the hydrogen transport and solubility parameters in the commercial alumina. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.