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γ′ precipitates size in the dendritic regions.
| Parameter/Casting | A1 | A2 | A3 | A4 | A5 | A6 | A7 | A8 | A9 |
|---|---|---|---|---|---|---|---|---|---|
| Mean size of the γ′ precipitates, nm | 26 (±3) |
31 (±4) |
46 (±6) |
99 (±10) |
76 (±9) |
41 (±4) |
110 (±16) |
112 (±25) |
134 (±18) |
| Circularity, ξ | 0.96 (±0.04) |
0.93 (±0.03) |
0.93 (±0.02) |
0.90 (±0.02) |
0.91 (±0.04) |
0.94 (±0.02) |
0.89 (±0.02) |
0.88 (±0.03) |
0.87 (±0.03) |
