Al2O3 99.7%

세라바이

AL2O3 99.7%

Density g/cm3 3.92
Flexural strength MPa 400
Fracture toughness MPa·m1/2 5.6-6
Dielectric constant εr(20℃,1MHz) 9.8
Hardness GPa 16.3
Hardness HRC 81
Volume resistivity Ω·cm(20℃) 10^14
Elastic modulus GPa 380
Coefficient of  thermal  expansion ×10-6/k 5.4-8.4
Compressive strength MPa 2300
Abrasions g/cm2 0.1
Thermal  conductivity W/m×k(20℃) 35
Poisson's ratio / 0.22
Insulation strength kv/mm 30
Temperature 1700