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Plasma-Material Interaction Data Set 82

Permeation of T in W

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

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

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

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1. B66: M. Shimada, R. Pawelko, "Tritium permeability in polycrystalline tungsten ", Fusion Engineering and Design 146, 1988-1992 (2019). [10.1016/j.fusengdes.2019.03.083]