The coefficient of 65Zn heterodiffusion in the Mg17Al12 intermetallic compound (β-phase) was measured at 598 to 698K using serial sectioning and residual activity methods. The diffusion coefficient of 65Zn in the intermetallic could be written as:

D(m2/s) = 1.5 x 10-2exp[-154.3(kJ/mol)/RT]

J.Čermák, I.Stloukal: International Journal of Materials Research, 2006, 97[11], 1476-83