The diffusive behavior of Ni was studied at 700 to 1050C. The results could be described by:

D (cm2/s) = 2.3 x 10-1 exp[-56.2(kcal/mol)/RT]

R.L.Fogelson, Y.A.Ugai, A.V.Pokoev, I.A.Akimova: Fizika Metallov i Metallovedenie, 1971, 13[4], 1028-31