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Plasma-Material Interaction Data Set 340
Solubility of H in W
$$
K_\mathrm{s} = K_\mathrm{s0}\exp \left(-\frac{E_\mathrm{s}}{k_\mathrm{B}T}\right)
$$
[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]
- Material: W
- Method: Experiment
- Data scaled for isotope mass? No
- Ks0 = 3.89 mol m-3 Pa-1/2
- Es = 1.18 eV
- T = 1100 – 2500 K
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- B26: R. Frauenfelder, "Solution and Diffusion of Hydrogen in Tungsten
", Journal of Vacuum Science and Technology 6, 388-397 (1969). [10.1116/1.1492699]
- B70: K. Heinola, T. Ahlgren, "Diffusion of hydrogen in bcc tungsten studied with first principle calculations
", Journal of Applied Physics 107 (2010). [10.1063/1.3386515]
Comment
Data provided by Masashi Shimada (Idaho National Laboratories, USA, 2024).