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Plasma-Material Interaction Data Set 181
Diffusivity of H in Steel
$$
D = D_0 \exp\left(-\frac{E_\mathrm{d}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: Steel
- Alloy: EUROFER97
- Method: Experiment
- Data scaled for isotope mass? No
- D0 = 4.57e-07 m2 s-1
- Ed = 0.23 eV
- T = 376 – 724 K
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- B98: G. Esteban, A. Peña, I. Urra, F. Legarda, B. Riccardi, "Hydrogen transport and trapping in EUROFER’97
", Journal of Nuclear Materials 367-370, 473-477 (2007). [10.1016/j.jnucmat.2007.03.114]
Comment
Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.