The membrane permeability technique was used to study the diffusion of H. The results (table 1) could be fitted by the Arrhenius equation:
D (m2/s) = 8.55 x 10-7 exp[-3620/T]
Diffusivity of Hydrogen in Silver. H.Katsuta, R.B.McLellan: Scripta Metallurgica, 1979, 13[1], 65-6
Table 1
Diffusivity of H in Ag
Temperature (K) | D (m2/s) |
947 | 1.83 x 10-8 |
973 | 2.17 x 10-8 |
1027 | 2.44 x 10-8 |
1060 | 2.75 x 10-8 |
1085 | 3.00 x 10-8 |
1123 | 3.49 x 10-8 |