The diffusion of Cu was measured by using atomic absorption methods at 1080 to 1613K. The results could be described by:

D (m2/s) = 6.1 x 10-5 exp[-255(kJ/mol)/RT]

O.Taguchi, Y.Iijima, K.Hirano: Journal of the Japan Institute of Metals, 1984, 48[1], 20-4