Research Article
Precipitation and Growth Kinetics in Mechanically Alloyed Ni–Al
Table 3
The growth rate constant K′ (m3/s) of γ′ precipitates at 800°C, 850°C, and 900°C.
| | 800°C | 850°C | 900°C |
| | Ni–15at%Al (arc) | 4.20 × 10−27 | 1.99 × 10−26 | 9.22 × 10−26 | | Ni–15at%Al (MA) | 3.84 × 10−27 | 6.84 × 10−27 | 2.34 × 10−26 | | Ni–15at%Al (MAHP) | 3.91 × 10−26 | 7.33 × 10−26 | 1.23 × 10−25 | | Ni–15at%Al–0.6at%Y2O3 (MAHP) | 7.94 × 10−26 | 1.32 × 10−25 | 1.81 × 10−25 | | MA6000 (MAHP) | 3.13 × 10−26 | 5.87 × 10−25 | 9.86 × 10−25 |
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