Tracer and sectioning methods were used to study the diffusion of 63Ni at 900 to 1675C. The results could be described by:
D (cm2/s) = 1.8 x 10-1 exp[-266.24(kJ/mol)/RT]
J.Pelleg: Philosophical Magazine A, 1986, 54[1], L21-9
Table 261
Diffusivity of 16O in V
Temperature (K) | D (m2/s) |
624 | 9.35 x 10-17 |
580 | 1.20 x 10-17 |
529 | 1.23 x 10-18 |
496 | 2.18 x 10-19 |