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Plasma-Material Interaction Data Set 200
Diffusivity of H in CuCrZr
$$
D = D_0 \exp\left(-\frac{E_\mathrm{d}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: CuCrZr
- Alloy: ELBRODUR
- Method: Experiment
- Data scaled for isotope mass? No
- D0 = 5.7e-07 m2 s-1
- Ed = 0.43 eV
- T = 553 – 773 K
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- B23: E. Serra, A. Perujo, "Hydrogen and deuterium transport and inventory parameters in a Cu–0.65Cr–0.08Zr alloy for fusion reactor applications", Journal of Nuclear Materials 258-263, 1028-1032 (1998). [10.1016/s0022-3115(98)00276-1]
Comment
Fitting expression for flux vs temperature for diffusivity. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.