By using a serial sectioning and radiotracer technique, the diffusion of 51Cr in the steel was investigated at 943 to 1038C. The results could be described by:

D (cm2/s) = 5.59 x 100 exp[-70.8(kcal/mol)/RT]

H.S.Daruvala, K.R.Bube: Journal of Nuclear Materials, 1979, 87[1], 211-3