Residual activity methods were used to study the diffusion of 54Mn at 883 to 1212K. The results could be described by:
D (m2/s) = 4.29 x 10-4 exp[-196(kJ/mol)/RT]
F.Makuta, Y.Iijima, K.Hirano: Transactions of the Japan Institute of Metals, 1979, 20[10], 551-9
Table 9
Grain-Boundary Diffusion (Type-B Regime) of 63Ni in Ag
Temperature (K) | sδD (m3/s) |
989 | 4.47 x 10-19 |
920 | 1.96 x 10-19 |
874 | 1.31 x 10-19 |
873 | 1.42 x 10-19 |
849 | 1.20 x 10-19 |
821 | 7.15 x 10-20 |
741 | 1.16 x 10-20 |