The migration of V in 3N2-purity samples was studied at 700 to 1400C. The self-diffusion coefficient was found to be described by:
700-1050C: D (cm2/s) = 1.07 x 10-1 exp[-64.6(kcal/mol)/RT]
1050-1400C: D (cm2/s) = 1.05 x 101 exp[-76.8(kcal/mol)/RT]
R.P.Agarwala, S.P.Murarka, M.S.Anand: Acta Metallurgica, 1968, 16[1], 61-7