The impurity diffusion of 99Mo was measured at 1200 to 1490K by using serial sectioning. The results could be described by:

D (cm2/s) = 1.68 x 10-4 exp[-142.6(kJ/mol)/RT]

R.V.Patil, G.P.Tiwari, B.D.Sharma: Metal Science, 1980, 14[11], 525-8