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Primary indentation zone size (PIZ) at yield and the estimated number of grains in the PIZ
| Condition | Contact radius at yield [μm] | PIZ volume
[103 mm3] (πa 2 × 2.4a) |
Estimated no. of grains |
|---|---|---|---|
| AR | 156 ± 16 | 28.7 | 348 |
| 204 °C | 158 ± 12 | 29.6 | 359 |
| 274 °C | 103 ± 35 | 8.2 | 99 |
| 343 °C | 92 ± 17 | 6.0 | 72 |
| 413 °C | 31 ± 3 | 0.2 | 3 |
