Serial sectioning was used to study the diffusion of 54Mn at 843 to 927K. The results could be described by:
D (m2/s) = 3.17 x 10-2 exp[-217(kJ/mol)/RT]
S.Fujiwara, K.Hirano: Materials Science Forum, 1987, 13-14, 539-46
Table 27
Triple Product at 553K for Zn Diffusion through Tilt Grain Boundaries in Al
Tilt Axis: <001>
Tilt Angle (º) | Pressure (MPa) | sδD (m3/s) |
33 | 0.1 | 1.25 x 10-19 |
33 | 0.4 | 1.39 x 10-19 |
33 | 300 | 1.14 x 10-19 |
33 | 600 | 4.9 x 10-20 |
33 | 900 | 8.8 x 10-20 |
33 | 1200 | 7.4 x 10-20 |
36 | 0.1 | 1.17 x 10-19 |
36 | 0.4 | 1.03 x 10-19 |
36 | 300 | 1.12 x 10-19 |
36 | 900 | 5.2 x 10-20 |
36 | 1200 | 4.4 x 10-20 |
36.8 | 0.1 | 8.1 x 10-20 |
36.8 | 0.4 | 8.0 x 10-20 |
36.8 | 300 | 7.5 x 10-20 |
36.8 | 600 | 3.7 x 10-20 |
36.8 | 900 | 4.2 x 10-20 |
36.8 | 1200 | 3.0 x 10-20 |
39 | 0.1 | 8.5 x 10-20 |
39 | 0.4 | 8.5 x 10-20 |
39 | 300 | 7.0 x 10-20 |
39 | 600 | 4.2 x 10-20 |
39 | 900 | 5.0 x 10-20 |
39 | 1200 | 3.2 x 10-20 |
42.5 | 0.1 | 8.7 x 10-20 |
42.5 | 0.4 | 8.2 x 10-20 |
42.5 | 300 | 9.1 x 10-20 |
42.5 | 900 | 4.4 x 10-20 |
42.5 | 1200 | 4.2 x 10-20 |
Table 28
Triple Product at 553K for Zn Diffusion through Tilt Grain Boundaries in Al
Tilt Axis: <011>
Tilt Angle (º) | Pressure (MPa) | sδD (m3/s) |
35 | 0.1 | 2.1 x 10-20 |
35 | 0.4 | 1.9 x 10-20 |
35 | 300 | 1.8 x 10-20 |
35 | 600 | 1.2 x 10-20 |
35 | 900 | 9.3 x 10-21 |
35 | 1200 | 8.9 x 10-21 |
38.5 | 0.1 | 8.9 x 10-21 |
38.5 | 0.4 | 7.4 x 10-21 |
38.5 | 300 | 7.1 x 10-21 |
38.5 | 600 | 6.6 x 10-21 |
38.5 | 900 | 4.4 x 10-21 |
38.5 | 1200 | 2.4 x 10-21 |
46 | 0.1 | 5.6 x 10-20 |
46 | 0.4 | 6.8 x 10-20 |
46 | 300 | 4.2 x 10-20 |
46 | 600 | 2.2 x 10-20 |
46 | 900 | 2.6 x 10-20 |
46 | 1200 | 2.3 x 10-20 |