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Plasma-Material Interaction Data Set 1
Diffusivity of T in Steel
$$
D = D_0 \exp\left(-\frac{E_\mathrm{d}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Steel
- Alloy: 316SS
- Method: Experiment
- Data scaled for isotope mass? Yes
- D0 = 5.16e-07 m2 s-1
- Ed = 0.571 eV
- T = 223 – 423 K
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- B5: C. Marchi, B. Somerday, S. Robinson, "Permeability, solubility and diffusivity of hydrogen isotopes in stainless steels at high gas pressures", International Journal of Hydrogen Energy 32, 100-116 (2007). [10.1016/j.ijhydene.2006.05.008]
Comment
Data for T scaled from H/D data in cited reference; data provided by G. de Temmerman (ITER).