Tracer sectioning was used to study the diffusion of 14C in the 0.17C-0.2Si-1Cr-1wt%Mn steel. The results could be described by:
D (cm2/s) = 5.62 x 100 exp[-40.0(kcal/mol)/RT]
S.V.Zemskii, D.A.Litvinenko, V.I.Grigorkin, T.V.Kharchikova: Izvestiya Vysshikh Uchebnykh Zavedenii Chernaya Metallurgiya, 1973, 6, 93-6
Table 121
Diffusivity of B in 25MnTi
Temperature (C) | D (m2/s) |
950 | 2.801 x 10-12 |
1001 | 4.424 x 10-12 |
1097 | 8.779 x 10-12 |
1147 | 1.388 x 10-11 |
1201 | 1.866 x 10-11 |