Manometric measurements were used to study the permeation of H through medium alloy steel, with and without the addition of 0.5wt%Pd. Measurements were also made of H solubility, and this permitted the calculation of diffusion coefficients (table 167).
V.I.Arkharov, T.T.Moroz, I.A.Novokhatskii, M.I.Eremina, S.I.Khokhlova: Fiziko-Khimicheskaya Mekhanika Materialov, 1971, 7[6], 51-4
Table 162
Ternary Interdiffusion Coefficient, DCrCrFe, for the Fe-Ni-Cr System at 1223K
Ni (wt%) | Cr (wt%) | Value (m2/s) |
70.3 | 17.8 | 9.2 x 10-16 |
71.3 | 19.6 | 1.15 x 10-15 |
64.8 | 5.9 | 1.50 x 10-15 |
66.6 | 11.6 | 1.08 x 10-15 |
75.9 | 23.6 | -3.30 x 10-15 |
42.0 | 23.0 | 5.70 x 10-15 |
54.0 | 24.0 | 2.40 x 10-15 |
83.6 | 13.2 | 4.50 x 10-15 |
continued
Table 162 (continued)
Ternary Interdiffusion Coefficient, DCrCrFe, for the Fe-Ni-Cr System at 1223K
Ni (wt%) | Cr (wt%) | Value (m2/s) |
91.9 | 1.8 | 3.6 x 10-15 |
58.1 | 24.2 | 2.77 x 10-15 |
63.7 | 24.5 | 3.03 x 10-15 |
67.4 | 24.4 | 2.19 x 10-15 |
75.4 | 24.4 | 3.41 x 10-15 |
54.8 | 25.9 | 1.50 x 10-15 |
46.5 | 9.0 | 3.00 x 10-15 |
49.2 | 15.3 | 3.70 x 10-15 |
45.0 | 28.4 | 1.30 x 10-15 |
57.0 | 28.8 | 8.0 x 10-16 |
59.0 | 30.0 | 2.5 x 10-16 |
42.0 | 9.8 | 2.83 x 10-15 |
35.4 | 18.5 | 5.50 x 10-15 |
42.4 | 29.6 | 4.30 x 10-15 |
43.9 | 9.5 | 4.40 x 10-15 |
43.4 | 16.6 | 6.30 x 10-15 |
45.1 | 5.8 | 5.40 x 10-15 |
42.3 | 28.5 | 3.70 x 10-15 |
44.7 | 4.5 | 3.40 x 10-15 |