The diffusion of O was measured by using potentiostatic and potentiometric methods at 700 to 1030C. The results could be described by:

D (cm2/s) = 1.16 x 10-2 exp[-67.3(kJ/mol)/RT]

M.L.Narula, V.B.Tare, W.L.Worrell: Metallurgical Transactions B, 1983, 14[3], 673-7