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Plasma-Material Interaction Data Set 27
Diffusivity of T in Be
$$
D = D_0 \exp\left(-\frac{E_\mathrm{d}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Be
- Method: Theory
- Data scaled for isotope mass? No
- D0 = 4.56e-07 m2 s-1
- Ed = 1.08 eV
- T = 923 – 1423 K
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- B27: S. Cho, A. Raffray, M. Abdou, "Modeling of tritium release from beryllium in fusion blanket applications
", Journal of Nuclear Materials 212-215, 961-965 (1994). [10.1016/0022-3115(94)90977-6]
Comment
From application of the BETTY model to experimental property data.