Zirconia Ceramic Material

The unique structure of Zirconia makes it one of the toughest ceramics available. Zirconia is one of the best materials for demanding structural and mechanical applications, and has excellent resistance to corrosion and wear.

Applications

  • Rail for semiconductor transfer
  • Industrial use cutter
  • General industrial machinery parts
  • Abrasion resistant parts

Properties

General propertiesMain component purity (wt%)94
ColorWhitish-yellow
Density (g/cm3)5.98
Water absorption (%)0
Mechanical propertiesBending strength (MPa)880
Young’s modulus (GPa)245
Vickers hardness (GPa)16
Thermal propertiesMax. operating temperature (°C)
Coefficient of thermal expansion (1/°C×10-6)RT~500°C8.9
RT~800°C10.4
Coefficient of thermal conductivity (W/m×K)3
Thermal shock resistance ΔT (°C)280
Electrical propertiesVolume resistivity25°C1014
300°C
500°C
800°C
Dielectric constant10GHz33.0
Dielectric loss (×10-4)9
Q factor (×104)0.1
Dielectric breakdown voltage (KV/mm)

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