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Plasma-Material Interaction Data Set 119

Permeation of H in Steel

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

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

Comment

Pressure exponent 0.54-0.55. No trapping observed Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.

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  1. B93: H. Yang, W. Wang, M. Jiang, X. Ji, M. Zheng, "Hydrogen diffusive transport parameters through CLAM steel ", Journal of Nuclear Materials 511, 231-234 (2018). [10.1016/j.jnucmat.2018.09.014]