Product Description
Newest new arrival alumina ceramic square boat
Features of alumina ceramic square boat:
| Place of Origin: | Jiangsu, China (Mainland) | Model Number: | According to your drawing or samples | Color: | White |
| Material: | High frequency ceramic / steatite ceramic | Temperature resistance: | 500℃ | Withstand voltage: | 380V |
| Performance | |||||
| Item | Index | Unit | Steatite ceramic | 95 Al2O3 | 96 Al2O3 |
| Physical Characteristics | Bulk density | g/cm3 | 2.7 | 3.6 | 3.6 |
| Water absorption | % | 0 | 0 | 0 | |
| Flexural strength | Mpa | 145 | 320 | 340 | |
| Mechanical Characteristics | Hardness Vickers | Gpa | 5.7 | 12.2 | 13.5 |
| Elastic modulus | Gpa | 120 | 280 | 320 | |
| Poisson’s ratio | - | 0.21 | 0.22 | 0.23 | |
| Thermal Characteristics | Linear expansion coefficient | 20-5000C 10-6/0C | 7.9 | 7.1 | 7.2 |
| Thermal conductivity | w/(m.k) | 2.5 | 16 | 24 | |
| Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | |
| Electrical Characteristics | Dielectric constant(1MHZ) | - | 6.2 | 9 | 9.4 |
| Dielectric loss angle | *10-4 | 18 | 15 | 5 | |
| Dielectric strength | *106V/m | 18 | 12 | 15 | |
| Model | Bulk density | Fracture toughness | Bending strength | Microhardness | ZrO2 content |
| KIC MPam½ | MPa | ||||
| g/cm | GPa | % | |||
| 3Y-ZrO2 ceramic | 5.9~6.1 | 9~10 | 900~1100 | 12.5 | ≥94 |
| Ce-Y-Al-ZrO2 ceramic | 5.8~6.1 | 8~12 | ≥800 | 12.5 | ≥93 |
| MgO-ZrO2 ceramic | ≥5.7 | 8~12 | ≥600 | 12.5 | ≥96 |
| (chemical level) |
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alumina ceramic square boat