The diffusion of 95Zr in 0.063at%Fe alloy was studied at 555 to 640C. The results could be described by:

D (cm2/s) = 3.43 x 101 exp[-52.1(kcal/mol)/RT]

T.Marumo, S.Fujikawa, K.Hirano: Journal of the Japan Institute of Light Metals, 1973, 23[2], 17-25