Zirconia PSZ-A

Alternative and trade names
ZrO2, ZrO₂, Zirconia
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Description

Zirconium dioxide has the unique feature that it impedes the spread of cracks through the so-called transformation toughening mechanism. No other ceramic material shows such a high fracture toughness combined at the same time with such high stability. It has following features:


  • Thermal insulation
  • Thermal resistance
  • Flexural Strength
  • Electrical insulation
  • Fracture toughness
  • This material data has been provided by Bosch Advanced Ceramics.

    All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
    Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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    Properties

    General

    PropertyTemperatureValueComment

    Density

    23.0 °C

    6.05 g/cm³

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    Surface roughness

    0.6 μm

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    Ra

    Mechanical

    PropertyTemperatureValueComment

    Compressive strength

    23.0 °C

    2300 MPa

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    Elastic modulus

    23.0 °C

    205 GPa

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    Flexural strength

    23.0 °C

    930 MPa

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    4-point bending flexural test

    Hardness, Vickers

    23.0 °C

    1530 [-]

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    converted from GPa

    Plane-Strain Fracture Toughnes

    23.0 °C

    10 MPa·√m

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    Thermal

    PropertyTemperatureValue

    Coefficient of thermal expansion

    23.0 °C

    1E-5 1/K

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    Thermal conductivity

    23.0 °C

    3 W/(m·K)

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    Electrical

    PropertyTemperatureValue

    Electrical resistivity

    20.0 °C

    1.00E+10 Ω·m

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    600.0 °C

    10000 Ω·m

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    Technological properties

    Property
    Application areas

    Sensor Technology (lambda sensors) for oxygen ion conduction

    Components that face frequent temperature changes, e.g. draw dies and high-temperature insulating parts

    In cases where high fracture toughness is required, e.g. for medical instruments

    Processing history

    Additive Manufactureing (AM)