Al2O3 99.9%

세라바이

AL2O3 99.9%

Density g/cm3 3.98
Flexural strength MPa 550-600
Fracture toughness MPa·m1/2 2.8-4.5
Dielectric constant εr(20℃,1MHz) 9.9
Hardness GPa 16.3-18
Hardness HRC 81-83
Volume resistivity Ω·cm(20℃) 10^14
Elastic modulus GPa 400
Coefficient of  thermal  expansion ×10-6/k 6.4-8.9
Compressive strength MPa 2300
Abrasions g/cm2 0.1
Thermal  conductivity W/m×k(20℃) 38.9
Poisson's ratio / 0.22
Insulation strength kv/mm 30
Temperature 1700