High-temperature vacuum metallographic methods were used to study the diffusion of C in β-Co. The results could be described by:

D (cm2/s) = 6.3 x 10-1 exp[-38.6(kcal/mol)/RT]

V.N.Lnyanoi: Fiz. Khim. Obrab. Mater., 1977, 3, 104-9