Research Article
Precipitation and Growth Kinetics in Mechanically Alloyed NiāAl
Table 4
Activation energy Q (kJ/mol) of atomic diffusion derived from growth rate of Ī³ā² precipitates.
| | Activation energy of atomic diffusion (kJ/mol) |
| Niā15at%Al (arc) | 303 | Niā15at%Al (MA) | 188 | Niā15at%Al (MAHP) | 210 | Niā15at%Alā0.6at%Y2O3 (MAHP) | 186 | MA6000 (MAHP) | 251 |
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