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Plasma-Material Interaction Data Set 234
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: SS310
- Method: Experiment
- Data scaled for isotope mass? No
- D0 = 8e-07 m2 s-1
- Ed = 0.55 eV
- T = 350 – 500 K
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- B111: Y. Yagodzinskyy, O. Todoshchenko, S. Papula, H. Hänninen, "Hydrogen Solubility and Diffusion in Austenitic Stainless Steels Studied with Thermal Desorption Spectroscopy", steel research international 82, 20-25 (2010). [10.1002/srin.201000227]
Comment
Electrochemical loading of samples with H. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.