Radiotracer and sectioning methods were used to study the diffusion of 111Sn in the γ phase at 1197 to 1653K. The results could be described by:

D (m2/s) = 8.45 x 10-5 exp[-261.7(kJ/mol)/RT]

K.Kimura, Y.Iijima, K.Hirano: Transactions of the Japan Institute of Metals, 1986, 27[1], 1-4