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Plasma-Material Interaction Data Set 79
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: UFG (+Ti)
- Method: Experiment
- Data scaled for isotope mass? No
- Ep = 0.98 eV
- T = 773 – 1273 K
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- B64: D. A. Buchenauer, R. A. Karnesky, Z. Zak Fang, C. Ren, Y. Oya, T. Otsuka, Y. Yamauchi, J. A. Whaley, "Gas-driven permeation of deuterium through tungsten and tungsten alloys
", Fusion Engineering and Design 109-111, 104-108 (2016). [10.1016/j.fusengdes.2016.03.045]
Comment
Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.