A study was made of the absorption of H in molten Fe by using an unsteady-state method. The data for temperatures ranging from 1565 to 1723C could be described by:
D (cm2/s) = 2.46 x 10-3 exp[-3.7(kcal/mol)/RT]
M.Y.Solar, R.I.L.Guthrie: 99th AIME Annual Meeting (Denver, 1970)
Table 22
Effect of Initial Gas Pressure upon H Diffusivity in Liquid Fe
Pressure (atm) | Temperature (C) | D (cm2/s) |
0.0933 | 1601 | 9.48 x 10-4 |
0.0933 | 1604 | 1.016 x 10-3 |
0.1236 | 1603 | 1.037 x 10-3 |
0.1262 | 1604 | 1.023 x 10-3 |
0.2605 | 1604 | 9.68 x 10-4 |
0.2617 | 1604 | 9.605 x 10-4 |
0.2682 | 1609 | 9.79 x 10-4 |
0.5118 | 1609 | 1.022 x 10-3 |
0.5162 | 1601 | 1.028 x 10-3 |
0.5322 | 1601 | 9.63 x 10-4 |
0.7324 | 1601 | 9.38 x 10-4 |
0.7447 | 1604 | 9.37 x 10-4 |
0.7526 | 1606 | 8.91 x 10-4 |
0.9974 | 1610 | 8.78 x 10-4 |
1.0171 | 1610 | 8.60 x 10-4 |
1.0289 | 1600 | 8.16 x 10-4 |
1.0316 | 1600 | 8.10 x 10-4 |
1.0303 | 1600 | 8.05 x 10-4 |
1.2362 | 1605 | 8.78 x 10-4 |
1.2375 | 1604 | 8.52 x 10-4 |
1.2455 | 1604 | 8.31 x 10-4 |
1.4566 | 1604 | 8.045 x 10-4 |
1.4889 | 1605 | 9.42 x 10-4 |
1.4961 | 1605 | 1.051 x 10-3 |