The diffusion of 51Cr in single crystals was measured at 750 to 848C. The results could be described by:
D (m2/s) = 2 x 10-5 exp[-163(kJ/mol)/RT]
perpendicular to the c-axis, and by:
D (m2/s) = 2 x 10-5 exp[-153(kJ/mol)/RT]
parallel to the c-axis.
S.N.Balart, N.Varela, R.H.De Tendler: Journal of Nuclear Materials, 1983, 119[1], 59-66
Table 272
Diffusivity of Cr in Zr
Orientation | Temperature (K) | D (m2/s) |
parallel | 1057.0 | 5.62 x 10-13 |
perpendicular | 1057.0 | 2.08 x 10-13 |
parallel | 930.4 | 6.16 x 10-14 |
parallel | 930.4 | 1.37 x 10-14 |
parallel | 799.6 | 2.50 x 10-15 |
parallel | 799.3 | 1.61 x 10-15 |
perpendicular | 799.3 | 3.52 x 10-16 |
parallel | 723.8 | 5.90 x 10-17 |