China All Size Piezo Thermal Conductivity Aln Ceramic Aluminum Nitride Ceramic, Find details about China Aluminum Nitride Ceramic, Aln Ceramic from All Size Piezo Thermal Conductivity Aln Ceramic Aluminum Nitride Ceramic
PROPERTIES PARAMETERS | |||||||
Test Item/Unit | Numerical Value | Test Item/Unit | Numerical Value | ||||
Material | AIN | AIN | Al2O3 | Material | AIN | AIN | Al2O3 |
Volume Density (g/cm3) | 3.335 | 3.32 | 3.6 | Volume Resistance (Ω.cm) | 1.4×1014 | 1.4×1013 | 1.4×1014 |
Thermal Shock Resistance | None Crack | Bending Strength (Mpa) | 382.7 | 335 | 380 | ||
Chemical Stability (mg/cm3) | 0.97 | 0.97 | 0.97 | Thermal Expansivity (/ºC,5ºC/min,20~300ºC) | 2.805×10.6 | 2.805×10.6 | 6.9×10.6 |
Breakdown Voltage Strength(kv/mm) | 18.45 | 18.45 | 15 | Roughness Ra(μm) | 0.3~0.5 | 0.3~0.5 | 0.2~0.4 |
Dielectric Constant (1MHz) | 8.56 | 8.56 | 9.5 | Thermal Conductivity(W/m-k) | 180~190 | 190~210 | 20 |
Color | Dark Gray | Dark Gray | White | Varpage (length‰) | ≤2‰ | ≤2‰ | Class |