By using the Gruzin radioactive tracer technique, the tracer diffusion coefficients of 59Fe in Fe (0.006%C, 0.2%Mn) were studied at 800 to 1200C. The results could be described by:
γ-Fe: D (cm2/s) = 9.0 x 10-4 exp[-42(kcal/g-atom)/RT]
D.Marchive, D.Duc, D.Treheux, P.Guiraldenq: Comptes Rendus Hebdomaires des Seances de l’Academie des Sciences, Serie C, 1975, 280[1], 25-8