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Aluminum Nitride

Composition

AlN

Description

CoorsTek Aluminum Nitrides (AlN) are commonly applied in processes that utilize the inherently high thermal conductivity. Additionally, AlN has exceptional electrical resistivity, making it an excellent candidate for electronic applications.

Example Applications

  • Semiconductor heaters
  • Substrates for LEDs and power electronics

CoorsTek Formulations

Contact a CoorsTek expert to choose an Aluminum Nitride solution for your application.

  • 15+ compositions globally
Columns
Property Units Value

Flexural Strength MOR, (20°C)

MPa

300-350

Compressive Strength, (20°C)

MPa

2000-2100

Fracture Toughness, KIc

MPa m1/2

2.9-6.0

Hardness, Rockwell 45N

R45N

11

Hardness, Knoop 1000gm

GPa

-

Maximum Use Temperature

°C

800

Coefficient of Thermal Expansion, (25-1000°C)

1 x 10-6/°C

3.5-5.6

Thermal Shock Resistance, (∆T)

°C

-

Thermal Conductivity, (20°C)

W/m K

80.0-205.0

Dielectric Strength, (6.35mm)

ac-kV/mm

8.2-25.0

Dielectric Constant, (1 MHz)

25°C

8.5-9.1

Volume Resistivity, (25°C)

ohm-cm

1011->1014

The information provided on this chart is for general material property reference only.  The customer should recognize that exact properties of materials may vary according to product configuration but close control of values of most properties can be maintained, if specified. Nothing herein is provided, or is to be construed, as absolute engineering data or constituting a warranty or representation. Contact CoorsTek for cost-effective design, development and manufacturing assistance. CoorsTek has 300+ variations including various forming and firing processes, not all variants are represented in the present website.

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