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Aluminum Nitride (AlN) Ceramic Washer

HM1922

New product

Aluminum Nitride (AlN) Ceramic Washer is stable in an inert environment at high temperatures and has a high thermal conductivity. Heeger Materials can provide top-quality Aluminum Nitride (AlN) Ceramic Washers at a competitive price, with customized options for shapes and sizes to meet specific requirements according to drawings.

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MaterialsAlN
SizeCustomized

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Aluminum Nitride (AlN) Ceramic Washers offer excellent electrical insulation and resistivity, making them ideal for thermal management and electrical applications. They can withstand temperatures up to 1300°C in air without significant oxidation, with decomposition occurring at 1800°C in a vacuum. In an inert atmosphere, AlN melts at 2200°C. Operating temperatures typically range from 800°C in air to 1700°C in a vacuum and 2100°C in an inert atmosphere.

Aluminum Nitride (AlN) Ceramic Washer

Aluminum Nitride (AlN) Ceramic Washer Selection Notes

Aluminum Nitride (AlN) Ceramic Washer belongs to the aluminum nitride products range and is selected for thermal conductivity, electrical insulation and useful ceramic stability. It is commonly used in spacers, insulators, seals, fastener assemblies and precision ceramic hardware as well as heat sinks, substrates, electronic packaging, ceramic fixtures and thermal management components. When requesting a quote, confirm outside diameter, inside diameter, thickness, tolerance, quantity and operating environment.

Related Materials and Product Forms

For material comparison or adjacent product forms, browse AlN substrates, AlN heat sinks, technical ceramics and aluminum nitride products.

FAQ

Can washers be made to custom OD and ID? Yes. Outside diameter, inside diameter, thickness, tolerance, quantity and operating environment can be reviewed.

Aluminum Nitride (AlN) Ceramic Washer Properties

Item

Unit

Test Standard

Density

g/cm3

≥3.30

Thermal Conductivity

25℃ W/(m.k)

≥170

Dielectric Constant

1 MHz, 25℃

9

Dielectric Loss

1 MHz, 25℃

3×10-4

Dielectric Strength

Kv/mm

≥15

Flexural  Strength

Mpa

≥330

Elastic Modulus

GPa

310-320

Warpage

~/25(length)

0.03-0.05

Surface roughness Ra

um

0.3-0.5

Coefficient of thermal expansion

20～300℃ (10-6/℃)

4.6

Volume resistivity

20℃.Ω.cm

≥1014

Water Absorption

%

0

Aluminum Nitride (AlN) Ceramic Washer Features

  • High thermal conductivity
  • Low coefficient of thermal expansion
  • Good electrical insulation and resistivity
  • Low dielectric constant
  • High mechanical strength under compression load
  • Corrosion-resistant (gas)
  • Good thermal shock resistance

Aluminum Nitride (AlN) Ceramic Washer Applications

  • Used as a heat dissipation device for semiconductor equipment.
  • Used as a high-temperature structural material.
  • Used as a high-temperature infrared window and rectifier hood coating for electronic optical devices.

Aluminum Nitride (AlN) Ceramic Washer Packing

Aluminum Nitride (AlN) Ceramic Washer is carefully packaged with adhesive-free surface protection tape and cardboard boxes to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

Aluminum Nitride (AlN) Ceramic Washer Packing

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