The diffusive behavior of O was studied at 932 to 1142C. The results could be described by:

α-phase:     D (cm2/s) = 7.78 x 10-1 exp[-48.6(kcal/mol)/RT]

β-phase:     D (cm2/s) = 3.30 x 102 exp[-58.8(kcal/mol)/RT]

C.J.Rosa: Metallurgical Transactions, 1970, 1[9], 2617-22