Zirconium Oxide


The outstanding properties of zirconium oxide materials are due to the stabilizing additives of yttria and magnesia. Zirconium oxide has a very fine grain structure which leads to very high toughness and mechanical strength.


Extraordinary toughness

The cross-linked microstructure of our silicon nitride material allows for very high thermal shock resistance as compared to other advanced ceramic materials.


Solid Mechanical Strength

Materials offer very high mechanical strength at low-temperature applications.


Good Corrosion resistance

Materials are ideal for medical and other selected wear applications

Zirconium Oxide Wear Insert - Calix Ceramics
Zirconium Oxide (ZrO2) Wear Insert

Zirconia Oxide Properties

Calix Ceramics offers PSZ Zirconium Oxide and YSZ Zirconium Oxide. Click either option below to view the ceramic properties and specifications.

PSZ Zirconium Oxide Properties

Content of Zirconium Oxide (%) Content of Magnesium Oxide (%) Density (g/cc) Grain Size (μm) Hardness (HV 1 - Vickers) Fracture Toughness (MPam^1/2) Flexural Strength (MPa) Compressive Strength (MPa) Elastic Modulus (GPa) Poisson’s Ratio Coefficient of Thermal Expansion (1 x 10-6 in/in °C) Volume Resistivity (Ω-cm) Thermal Conductivity (W/mK)
96.5 3.5 5.74 40 1120 10 820 1990 205 0.31 10.2 10^11 2.5
Physical PropertyUnitsTypical Value
Content of Zirconium Oxide%95.0
Content of Yttrium Oxide%5.0
Grain Sizeμm0.4
Fracture ToughnessMPam^1/28
Flexural StrengthMPa1000
Thermal ConductivityW/mK2.5
Elastic ModulusGPa205
Coefficient of Thermal Expansion1 x 10-6 in/in °C9.0
Volume ResistivityΩ-cm>10^11

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