The capillary reservoir technique was used to determine the effect of the C concentration upon C diffusion in liquid Fe-C alloys. The results (table 47) could be described by:

D (cm2/s) = 0.0012wt%C exp[-13.8/RT]

A.V.Kaibichev, B.M.Lepinskikh, Y.A.Savelev: Trudy Inst. Met. Sverdlovsk, 1972, 27, 200-7