Auger electron spectroscopy was used to monitor the segregation of Mg at the surface of 0.8wt%Mg alloy, at temperatures of up to 600C. The results could be

described by:

D (cm2/s) = 2 x 10-2 exp[-27.9(kcal/mol)/RT]

C.Lea, C.Molinari: Journal of Materials Science, 1984, 19[7], 2336-52