A modified Gruzin residual activity technique was used to study the diffusion of 59Fe in Fe-Si single crystals, with 5.5 to 19.2at%Si, at 1013 to 1373K. It was found that the diffusion parameters decreased with increasing Si content (table 190), and reached a minimum at close to 11at%Si.
B.Million: Czechoslovak Journal of Physics B, 1977, 27[8], 928-34
Table 190
Diffusion of 59Fe in Fe-Si Alloys
Temperature (K) | Si (at%) | D (cm2/s) |
1013 | 5.5 | 6.99 x 10-13 |
1013 | 6.4 | 1.04 x 10-12 |
1033 | 5.5 | 1.84 x 10-12 |
1033 | 6.4 | 3.25 x 10-12 |
1053 | 5.5 | 6.36 x 10-12 |
1053 | 6.4 | 6.05 x 10-12 |
1053 | 7.8 | 5.38 x 10-12 |
1053 | 11.6 | 1.64 x 10-11 |
1093 | 5.5 | 5.42 x 10-12 |
1093 | 6.4 | 2.52 x 10-11 |
1093 | 7.8 | 2.15 x 10-11 |
1093 | 11.6 | 4.35 x 10-11 |
1133 | 5.5 | 1.64 x 10-11 |
1133 | 6.4 | 3.85 x 10-11 |
1133 | 7.8 | 4.16 x 10-11 |
1133 | 11.6 | 1.45 x 10-10 |
1133 | 15.3 | 1.58 x 10-10 |
1133 | 19.2 | 3.45 x 10-10 |
1173 | 5.5 | 9.56 x 10-11 |
1173 | 6.4 | 5.80 x 10-11 |
1173 | 7.8 | 8.34 x 10-11 |
1173 | 11.6 | 2.30 x 10-10 |
1173 | 15.3 | 4.05 x 10-10 |
1173 | 19.2 | 9.83 x 10-10 |
continued
Table 190 (continued)
Diffusion of 59Fe in Fe-Si Alloys
Temperature (K) | Si (at%) | D (cm2/s) |
1223 | 5.5 | 9.48 x 10-11 |
1223 | 6.4 | 1.85 x 10-10 |
1223 | 7.8 | 2.95 x 10-10 |
1223 | 11.6 | 4.66 x 10-10 |
1223 | 15.3 | 8.63 x 10-10 |
1223 | 19.2 | 2.52 x 10-9 |
1273 | 5.5 | 4.81 x 10-10 |
1273 | 6.4 | 4.40 x 10-10 |
1273 | 7.8 | 6.64 x 10-10 |
1273 | 11.6 | 1.26 x 10-9 |
1273 | 15.3 | 1.65 x 10-9 |
1273 | 19.2 | 5.27 x 10-9 |
1323 | 5.5 | 7.70 x 10-10 |
1323 | 6.4 | 1.13 x 10-9 |
1323 | 7.8 | 1.96 x 10-9 |
1323 | 11.6 | 1.83 x 10-9 |
1323 | 15.3 | 5.00 x 10-9 |
1323 | 19.2 | 1.11 x 10-8 |
1373 | 5.5 | 2.60 x 10-9 |
1373 | 6.4 | 5.78 x 10-9 |
1373 | 7.8 | 5.23 x 10-9 |
1373 | 11.6 | 1.03 x 10-8 |
1373 | 15.3 | 1.15 x 10-8 |
1373 | 19.2 | 1.79 x 10-8 |