Application: | Structure Ceramic, Industrial Ceramic |
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Purity: | 95% |
Type: | Distributorless Ignition System, Ceramic Parts |
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Performance For Alumina Ceramic |
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Item | Unit | 95 Al2O3 | 99 Al2O3 | |
Physical Characteristics | Bulk density | g/cm3 | 3.6 | 3.8 |
Water absorption | % | 0 | 0 | |
Mechanical Characteristics | Flexural strength | Mpa | 340 | 400 |
Hardness Vickers | Gpa | 13.5 | 15.6 | |
Elastic modulus | Gpa | 320 | 370 | |
Poisson's ratio | - | 0.23 | 0.23 | |
Thermal Characteristics | Linear expansion coefficient | (200C-5000C) 10-6/0C | 6.2-8.5 | 6.8-8 |
Thermal conductivity | w/(m.k) | 24 | 32 | |
Specific Heat | *10-3J/(kg*K) | 0.78 | 0.9 | |
Electrical Characteristics | Dielectric constant (1MHZ) | - | 9.4 | 9.9 |
Dielectric loss angle | *10-4 | 5 | 1 | |
Dielectric strength | *106V/m | 15 | 15 |