Return to search
Plasma-Material Interaction Data Set 40
Diffusivity of T in Cu
$$
D = D_0 \exp\left(-\frac{E_\mathrm{d}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Cu
- Method: Experiment
- Data scaled for isotope mass? Yes
- D0 = 4.85e-06 m2 s-1
- Ed = 0.563 eV
- T = 638 – 723 K
Download JSON
- B39: R. Anderl, D. Holland, G. Longhurst, "Hydrogen transport behavior of metal coatings for plasma-facing components
", Journal of Nuclear Materials 176-177, 683-689 (1990). [10.1016/0022-3115(90)90127-9]
Comment
Values derived experimentally for H and scaled for T by 1/sqrt(3).