Internal oxidation methods were used to study O diffusion at 1023 to 1123K. The results could be described by:

D (m2/s) = 3.78 x 10-7 exp[-92.1(kJ/mol)/RT]

J.Takada, S.Yamamoto, M.Adachi: Zeitschrift für Metallkunde, 1986, 77[1], 6-11