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Plasma-Material Interaction Data Set 199
Diffusivity of H in Cu-Al2O3
$$
D = D_0 \exp\left(-\frac{E_\mathrm{d}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Cu-Al2O3
- Alloy: Glidcop (Al25)
- Method: Experiment
- Data scaled for isotope mass? No
- D0 = 5.7e-05 m2 s-1
- Ed = 0.8 eV
- T = 573 – 793 K
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- B104: G. Esteban, G. Alberro, I. Peñalva, A. Peña, F. Legarda, B. Riccardi, "Hydrogen transport and trapping in the GlidCop Al25 IG alloy
", Fusion Engineering and Design 84, 757-761 (2009). [10.1016/j.fusengdes.2008.12.007]
Comment
ODS. Fitting expression for flux vs temperature for diffusivity. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.