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Preparation process of Fe-15Cr-25Ni alloy for testing.
| Samples | Preparation Process |
|---|---|
| 1 | Hot-rolled annealed (900 °C holding 1 h water cooling) |
| 2 | Cold-drawn state |
| 3 | Solid-solution state (900 °C holding time 2 h water cooling) |
| 4 | Aging state (700 °C holding 16 h air-cooling, 650 °C holding 16 h air-cooling) |
