Line-broadening of Mössbauer resonance was used to study in the γ phase at 1200 to 1390C. The results could be described by:

D (m2/s) = 1.5 x 10-4 exp[-3.1(eV)/kT]

A.Heiming, K.H.Steinmetz, G.Vogl, Y.Yoshida: Journal of Physics F, 1988, 18[7], 1491-503

 

Table 51

Diffusivity of Co in -Fe

 

Temperature (K)

Diffusivity, D57(m2/s)

1173

2.16 x 10-15

1160

1.74 x 10-15

1133

7.53 x 10-16

1093

2.02 x 10-16

1075

1.12 x 10-16

1053

4.46 x 10-17

1043

3.31 x 10-17

1030

1.33 x 10-17

1023

1.75 x 10-17

1012

7.22 x 10-18

993

2.12 x 10-18

973

8.94 x 10-19

963

5.41 x 10-19

934

1.22 x 10-19

914

4.07 x 10-20

873

5.10 x 10-21

859

2.57 x 10-21