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Plasma-Material Interaction Data Set 115

Permeation of D 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

ODS: P^1/2 behaviour for permeability confirmed. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.

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  1. B103: Z. Chen, X. Hu, M. Ye, B. D. Wirth, "Deuterium transport and retention properties of representative fusion blanket structural materials ", Journal of Nuclear Materials 549, 152904 (2021). [10.1016/j.jnucmat.2021.152904]