The diffusion of 95Zr in 0.18at%Si alloy was studied at 531 to 649C. The results could be described by:

D (cm2/s) = 5.48 x 105 exp[-69.1(kcal/mol)/RT]

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