Residual activity methods were used to study the diffusion of 51Cr at 1023 to 1215K. The results could be described by:
D (m2/s) = 3.26 x 10-4 exp[-210(kJ/mol)/RT]
F.Makuta, Y.Iijima, K.Hirano: Transactions of the Japan Institute of Metals, 1979, 20[10], 551-9
Table 4Volume Diffusivity of 105Ag in Ag Polycrystals
Temperature (K) | D (m2/s) |
455 | 1.34 x 10-25 |
424 | 5.03 x 10-27 |
394 | 1.29 x 10-28 |
353 | 3.14 x 10-31 |
Table 5Grain Boundary Diffusivity of 110mAg in Ag Polycrystals
Temperature (K) | D (m3/s) |
911 | 1.82 x 10-19 |
776 | 2.49 x 10-20 |
751 | 1.81 x 10-20 |
723 | 1.45 x 10-20 |
701 | 9.12 x 10-21 |
672 | 6.88 x 10-21 |
622 | 2.04 x 10-21 |
565 | 8.00 x 10-22 |
564 | 4.87 x 10-22 |
560 | 5.40 x 10-22 |
554 | 5.17 x 10-22 |
544 | 3.40 x 10-22 |
537 | 2.49 x 10-22 |
497 | 5.92 x 10-23 |
478 | 1.09 x 10-23 |
452 | 1.89 x 10-24 |
424 | 1.77 x 10-24 |
423 | 1.46 x 10-24 |
394 | 6.52 x 10-26 |