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Category | HC92 | HC95 | HCT95 | HC99 | HCZTA | ZrO2 |
Density g/cm3 | ≥3.60 | ≥3.65 | ≥3.70 | ≥3.83 | ≥4.15 | ≥5.9 |
Al2O3 | ≥92% | ≥95% | ≥95% | ≥99% | ≥75% | / |
ZrO2 | / | / | / | / | ≥21% | ≥99.8% |
Bending strength MPa | ≥220 | ≥250 | ≥300 | ≥330 | ≥400 | ≥800 |
Compression strength MPa | ≥1050 | ≥1300 | ≥1600 | ≥1800 | ≥2000 | / |
Fracture toughness MPa.m½ | ≥3.7 | ≥3.8 | ≥4.0 | ≥4.2 | ≥5.0 | ≥7.0 |
Rock Hardness HRA | ≥82 | ≥85 | ≥85 | ≥90 | ≥90 | ≥88 |
HV 20 | ≥950 | ≥1000 | ≥1100 | ≥1200 | ≥1350 | ≥1100 |
Wear Volue cm³ | ≤0.25 | ≤0.20 | ≤0.15 | ≤0.10 | ≤0.05 | ≤0.05 |











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