The diffusion of 59Fe was studied by using radioactive tracer and electron microprobe techniques at 985 to 1305C. The results could be described by:

D (cm2/s) = 7.2 x 10-1 exp[-66.4(kcal/mol)/RT]

B.Million, J.Ruzickova, J.Velisek, J.Vrestal: Materials Science and Engineering, 1981, 50[1], 43-52