Customization: | Available |
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Type: | Disc Grinder |
Power Source: | Chemical Mechanical Polishing |
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Unit | Chemshun 99.7 Alumina Ceramics | ||
General Properties | Al2O3 content | wt% | 99.7-99.9 |
Density | gm/cc | 3.94-3.97 | |
Color | - | Ivory | |
Water absorption | % | 0 | |
Mechanical Properties | Flexural Strength(MOR) 20 ºC | Mpa(psix10^3) | 440-550 |
Elastic Modulus 20ºC | GPa (psix10^6) | 375 | |
Vickers Hardness | Gpa(kg/mm2) R45N | >=17 | |
Bending Strength | Gpa | 390 | |
Tensile Strength 25ºC | MPa(psix10^3) | 248 | |
Fracture Toughness (K I c) | Mpa* m^1/2 | 4-5 | |
Thermal Properities | Thermal conductivity(20ºC) | W/mk | 30 |
Coefficient of Thermal expansion(25-1000ºC) | 1x 10^-6/ºC | 7.6 | |
Thermal Shock Resistance | ºC | 200 | |
Maximum use temperature | ºC | 1700 | |
Electrical Properities | Dielectric Strength (1MHz) | ac-kv/mm(ac v/mil) | 8.7 |
Dielectric Constant(1 MHz) | 25ºC | 9.7 | |
Volume Resistivity | ohm-cm (25ºC) | >10^14 | |
ohm-cm (500ºC) | 2x10^12 | ||
ohm-cm (1000ºC) | 2x10^7 |