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Specification of raw materials and the heat-treated materials.
| Types | L (mm) | b (mm) | h (mm) | M1 (g) | M2 (g) | Absolute Dry Density (g·cm−3) |
|---|---|---|---|---|---|---|
| IB | 3 | 4.40 | 1.1 ± 0.05 | 0.068 (0.001) | 0.062 (0.002) | 0.44 |
| OB | 3 | 7.80 | 1.8 ± 0.05 | 0.280 (0.018) | 0.253 (0.014) | 0.62 |
| HIB | 3 | 4.40 | 1.1 ± 0.05 | 0.065 (0.004) | 0.062 (0.006) | 0.40 |
| HOB | 3 | 7.80 | 1.8 ± 0.05 | 0.260 (0.013) | 0.250 (0.010) | 0.55 |
