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Plasma-Material Interaction Data Set 80

Permeation of D in W

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

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

• Material: W
• Material composition: 99.95 wt%
• Method: Experiment
• Data scaled for isotope mass? No

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1. B65: F. Liu, H. Zhou, X. Li, Y. Xu, Z. An, H. Mao, W. Xing, Q. Hou, G. Luo, "Deuterium gas-driven permeation and subsequent retention in rolled tungsten foils ", Journal of Nuclear Materials 455, 248-252 (2014). [10.1016/j.jnucmat.2014.06.005]