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Aluminium Nitride (B)

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Description

Aluminium Nitride has the following features:


  • High thermal conductivity combined with good electrical insulation characteristics.
  • Exceptional stability when exposed to many molten salts.
  • Thermal stability up to at least 1500°C
  • Favorable mechanical characteristics extending into the high temperature range.
  • Low thermal expansion and resistance to thermal shock.
  • Special optical and acoustic characteristics.
  • Ashby charts

    See where Aluminium Nitride (B) falls on the material property chart for Density against Elastic modulus in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

    Properties

    General

    Density

    ρ

    3.3 g/cm³ at 20 °C

    Mechanical

    Compressive strength

    Rmc

    2500 MPa at 20 °C

    Elastic modulus

    E

    320 GPa at 20 °C

    Flexural strength

    σbend

    325 MPa at 20 °C

    Hardness, Vickers

    HV

    1020 [-] at 20 °C

    Poisson's ratio

    ν

    0.24 [-] at 20 °C

    Thermal

    Coefficient of thermal expansion

    α

    4.6E-6 1/K at 20 °C

    Specific heat capacity

    cp

    740 J/(kg·K) at 20 °C

    Thermal conductivity

    λ

    190 W/(m·K) at 20 °C

    Electrical

    Dielectric constant

    εr

    8.56 [-] at 20 °C

    Dielectric strength

    EDS

    15 kV/mm at 20 °C

    Electrical resistivity

    ρel

    1.00E+16 Ω·m at 20 °C

    Loss tangent

    tanδ

    2.8E-4 [-] at 20 °C

    Technological properties

    Application areas

    Aluminum Nitride Ceramics is ideal for applications where heat dissipation is required. In addition, since it offers a coefficient of thermal expansion (CTE) near that of silicon, and excellent plasma resistance, it is used for: Semiconductor processing equipment components, Ceramic Heat-sinks for high power system, Crucible for Metal Melting, Ceramic Rod, Ceramic Heater, Ceramic Substrate

    Processing methods

    Ceramic Injection Molding, Low Pressure Injection Molding, Cold Isostatic Press, Dry Press, Tape Casting, Precision Machining Processing

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    This material data has been provided by Innovacera.

    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.