Saturation and de-gassing techniques were used to study the diffusion of H in technical-grade material. At temperatures ranging from 773 to 973K, the results could be described by:

D (cm2/s) = 1.15 x 10-2 exp[-11.0(kcal/g-atom)/RT]

B.A.Kolachev, O.P.Nasimov, L.N.Zhuravlev: Izvestiya Vysshikh Uchebnykh Zavedenii (Tsvet. Met.), 1969, 12[4], 104-9