On the basis of measurements of zero creep in fine. wires of Ti-5Al-2.5wt%Sn at 1377 to 1583K, the self-diffusion coefficient was found to be described by:

D(m2/s) = 5.7 x 10-6 exp[-182(kJ/mol)/RT]

T.A.Roth,, W.D.Henning: Materials Science and Engineering, 1985, 71, 187-94