Heating temperature/˚C | 850 | 900 | 950 | 1000 | 1050 | 1100 | 1150 | 1180 | 1200 | 1250 |
Average grain size/μm | 10.03 | 11.42 | 12.71 | 24.68 | 63.69 | 68.11 | 72.63 | 75.88 | 80.4 | 107.9 |