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Product Name | Ceramic parts | ||||||
Material | Alumina | ||||||
ODM/OEM | Accepted | ||||||
MOQ | 1000pcs |
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 | ||||||
Mechanical Characteristics | Flexural strength | Mpa | 145 | 320 | 340 | |||||
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 | 20-500℃ 10-6/℃ | 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 |