The migration of Sn at between 1183 and 1680K was studied by equilibrating pure Fe plates in molten Ag-Sn alloys, and monitoring the resultant diffusion profiles by using electron microprobe techniques. The results (table 29) were similar to those obtained by using tracer techniques.
M.Arita, M.Ohyama, K.S.Goto, M.Someno: Zeitschrift für Metallkunde, 1981, 72[4], 244-50
Table 29
Diffusivity Data for Sn-Diffusion (from Ag-Sn Alloys) into Fe
Temperature (K) | SnAlloy (at%) | D (m2/s) |
1183 | 40.0 | 2.86 x 10-14 |
1183 | 59.0 | 4.27 x 10-14 |
1183 | 68.0 | 2.47 x 10-14 |
1273 | 20.0 | 1.33 x 10-14 |
1273 | 30.0 | 1.26 x 10-13 |
1273 | 72.0 | 3.8 x 10-10 |
1376 | 40.0 | 3.8 x 10-11 |
1480 | 20.0 | 7.30 x 10-14 |
1480 | 30.0 | 8.27 x 10-14 |
1480 | 34.0 | 7.11 x 10-14 |
1480 | 38.0 | 2.16 x 10-12 |
1580 | 14.0 | 1.20 x 10-13 |
1580 | 20.0 | 1.74 x 10-13 |
1680 | 14.0 | 2.01 x 10-11 |
1680 | 20.0 | 3.03 x 10-11 |
1680 | 28.0 | 3.39 x 10-11 |