Zirconium Oxide

PSZ and YSZ Zirconia Ceramic

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.

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Extraordinary toughness

Materials display the highest fracture toughness of all 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.

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

Physical PropertyUnitsTypical Value
Content of Zirconium Oxide%96.5
Content of Magnesium Oxide%3.5
Densityg/cc5.74
Grain Sizeμm40
Hardness (Vickers)HV 11120
Fracture ToughnessMPam^1/210
Flexural StrengthMPa820
Compressive StrengthMPa1990
Elastic ModulusGPa205
Poisson’s Ratio0.31
Coefficient of Thermal Expansion1 x 10-6 in/in °C10.2
Volume ResistivityΩ-cm10^11
Thermal ConductivityW/mK2.5

All properties are at room temperature (20°C) unless otherwise stated.

YSZ Zirconium Oxide Properties

Physical PropertyUnitsTypical Value
Content of Zirconium Oxide%95.0
Content of Yttrium Oxide%5.0
Densityg/cc6.05
Grain Sizeμm0.4
HardnessHV0.3kg/mm21250
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

All properties are at room temperature (20°C) unless otherwise stated.

Zirconium Oxide Wear Insert

Zirconium Oxide (ZrO2) Wear Insert

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