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## Plasma-Material Interaction Data Set 293

### Permeation of H in CuCrZr

$$
P = P_0 \exp\left(-\frac{E_\mathrm{p}}{k_\mathrm{B}T}\right)
$$

[In the above formula, the Boltzmann constant is expressed in \(\mathrm{eV\,K^{-1}}\).]

- Material: CuCrZr
- Method: Experiment
- Data scaled for isotope mass? No

*P*_{0} = 7.20(70)e-7 mol m^{-1} s^{-1} Pa^{-1/2}
*E*_{p} = 0.800(80) eV
- T = 723 – 923 K

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- B95: T. Kulsartov, Y. Chikhray, I. Tazhibaeva, V. Shestakov, "Investigation of Hydrogen Permeability through Copper Alloy CUCR1ZR0.1 and Duplex Structure Be-Cu
",
*Fusion Technology* **34**, 919-923 (1998). [10.13182/fst98-a11963730]

## Comment

Solubility was derived from permeability and diffusivity data. Data provided by M. Lavrentiev (UKAEA, 2024) with permission from STEP.