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Plasma-Material Interaction Data Set 153

Permeation of H in Al2O3

$$ P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right) $$

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

Comment

Sintered Alumina tubes. No constant was given for permeation. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.

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  1. B75: R. M. Roberts, T. S. Elleman, H. PALMOUR Iii, K. Verghese, "Hydrogen Permeability of Sintered Aluminum Oxide", Journal of the American Ceramic Society 62, 495-499 (1979). [10.1111/j.1151-2916.1979.tb19114.x]