The diffusion of N was studied at 900 to 1300C. The results could be described by:

D (cm2/s) = 2.3 x 10-3 exp[-24.9(kcal/mol)/RT]

T.O.Ogurtani, E.M.Uygur: Transactions of the Japan Institute of Metals, 1972, 13[6], 396-9