The diffusion of Al in polycrystalline samples of the α phase was measured by using nuclear resonance broadening methods at 600 to 850C. The results could be described by:

D (cm2/s) = 7.4 x 10-7 exp[-1.62(eV)/kT]

J.Räisänen, A.Anttila, J.Keinonen: Journal of Applied Physics, 1985, 57[2], 613-4