The diffusion of 51Cr in single crystals was measured at 750 to 848C. The results could be described by:

D (m2/s) = 2 x 10-5 exp[-163(kJ/mol)/RT]

perpendicular to the c-axis, and by:

D (m2/s) = 2 x 10-5 exp[-153(kJ/mol)/RT]

parallel to the c-axis.

S.N.Balart, N.Varela, R.H.De Tendler: Journal of Nuclear Materials, 1983, 119[1], 59-66