Zirconia Toughened Alumina ZTA-C

Alternative and trade names
Zirconia Toughened Alumina
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Description

With this mixture of ceramics, a small amount of zirconium dioxide is added to the aluminum oxide which significantly improves the hardness and stability and simultaneously increases the toughness. It has following features:


  • Hardness
  • Resistance to pressure
  • Resistance to thermal shock
  • Reistance to temperature
  • Flexural Strenth
  • 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

    4.1 g/cm³

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    Surface roughness

    3.6 μm

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    Rz*

    Mechanical

    PropertyTemperatureValueComment

    Compressive strength

    23.0 °C

    2600 MPa

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    Elastic modulus

    23.0 °C

    360 GPa

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    Flexural strength

    23.0 °C

    600 MPa

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    4-point bending flexural test

    Hardness, Vickers

    23.0 °C

    1733 [-]

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    converted from GPa

    Plane-Strain Fracture Toughnes

    23.0 °C

    5 MPa·√m

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    Thermal

    PropertyTemperatureValue

    Coefficient of thermal expansion

    23.0 °C

    9E-6 1/K

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    Thermal conductivity

    23.0 °C

    25 W/(m·K)

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    Electrical

    PropertyTemperatureValue

    Electrical resistivity

    20.0 °C

    1.00E+14 Ω·m

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    600.0 °C

    1000000 Ω·m

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    Technological properties

    Property
    Application areas

    Cutting materials for machine

    Valves, gear wheels

    Sensors

    For highest mechanical loads

    Other

    *depending on the processing status of the injection molding or pressing tool

    Processing history

    Ceramic Injection Molding (CIM)