The diffusion of H in the α-phase was studied at 233 to 273K. The results could be described by:

D (cm2/s) = 7.0 x 10-3 exp[-19.5(kcal/mol)/RT]

L.Kozlowski, J.W.Moron, J.Przybyla, J.Rasek: Acta Physica Polonica A, 1971, 40[4], 445-51