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Aluminum Nitride
*Click on a Property to see a comparison of up to 10 materials
Property* Value
General
Chemical FormulaAl-N
Mechanical
Density3.25 gm/cc
Hardness1170 Knoop
Modulus of Elasticity43 - 50 x 106 psi
Flexural Strength43 - 62 kpsi
Compressive Strength300 kpsi
Poisson's Ratio0.22
Fracture Toughness2.9 MPa m½
Electrical
Dielectric Strength17 kV/mm
Dielectric Constant8 - 9 (@ 1 MHz)
Volume Resistivity> 1011 ohm-cm2
Thermal
Coefficient of Thermal Expansion4.6 - 5.7 x 10-6/°C
Thermal Conductivity100 - 180 W/mK
Maximum Working Temperature1200 °C
All properties are at room temperature unless otherwise noted.

Engineering data are representative, and are not intended as absolute nor warrantable. Manufacturer’s Data shown is blended from multiple sources and therefore illustrates the marketplace.


Wikipedia Reference for Aluminum Nitride

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