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Plasma-Material Interaction Data Set 210
Diffusivity of H in Mo
$$
D = D_0 \exp\left(-\frac{E_\mathrm{d}}{k_\mathrm{B}T}\right)
$$
[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
- D0 = 4e-08 m2 s-1
- Ed = 0.23 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
Diffusivity determined by evolution method (removal of H from upstream). Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.