It was found that the data for 234U in the γ-phase of Armco, at 950 to 1075C, could be described by:

D (cm2/s) = 7.0 x 10-5 exp[-1.38(eV)/kT]

F.De Keroulas, J.Mory, Y.Quere: Journal of Nuclear Materials, 1967, 22[3], 276-84