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Plasma-Material Interaction Data Set 20
Diffusivity of T 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
- Material composition: 0.65 wt% Cr, 0.08 wt% Zr
- Method: Experiment
- Data scaled for isotope mass? Yes
- D0 = 3.07e-07 m2 s-1
- Ed = 0.405 eV
- T = 553 – 773 K
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- B22: L. Katz, M. Guinan, R. J. Borg, "Diffusion of H2, D2, and T2 in Single-Crystal Ni and Cu", Physical Review B 4, 330-341 (1971). [10.1103/physrevb.4.330]
- 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
Values for tritium scaled from fit to hydrogen and deuterium experiment using the quantum mechanical methodology described in Serra and Perujo, derived in Katz et al.