A capillary technique and manometric measurements were used to study the diffusion of H in liquid Al. The results (table 31) fitted the Arrhenius relationship:
D (cm2/s) = 3.8 x 10-2 exp[-4.6(kcal/mol)/RT]
W.Eichenauer, J.Markopoulos: Zeitschrift für Metallkunde, 1974, 65[10], 649-52
Table 31
Diffusivity of H in Liquid Al
Temperature (K) | D (cm2/s) |
1053 | 4.16 x 10-3 |
1079 | 4.37 x 10-3 |
1110 | 4.40 x 10-3 |
1122 | 4.57 x 10-3 |
1148 | 4.66 x 10-3 |
1203 | 5.62 x 10-3 |
1203 | 5.44 x 10-3 |
1274 | 5.88 x 10-3 |