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Plasma-Material Interaction Data Set 140
Permeation of H in Mo
$$
P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Mo
- Material composition: 99.999%
- Method: Experiment
- Data scaled for isotope mass? No
- P0 = 1.4e-07 mol m-1 s-1 Pa-1/2
- Ep = 0.63 eV
- T = 500 – 1100 K
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- B94: T. Tanabe, Y. Yamanishi, S. Imoto, "Hydrogen permeation and diffusion in molybdenum
", Journal of Nuclear Materials 191-194, 439-443 (1992). [10.1016/s0022-3115(09)80083-4]
Comment
Determination of coefficient permeation of hydrogen in Mo. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.