The amount of H which was evolved from H-containing Fe-Si alloys was determined. These results were used to calculate the diffusion coefficients (table 195).

K.M.Shvarev, B.A.Baum, R.A.Ryabov, T.K.Kostina, M.A.Ryss: Trudy Ural. Politekhn. Inst., 1970, 186, 61-4

 

Table 193

Bulk Diffusivity of Fe in Fe-1.82wt%Si

 

Temperature(K)

D(m2/s)

873

1.92 x 10-19

923

1.34 x 10-18

973

8.32 x 10-18

1023

7.44 x 10-17

1073

5.34 x 10-16