Aluminum Nitride Ring

Aluminum Nitride Ring HM

Aluminum Nitride Ring

Purity: 95%-99%

  • Custom sizes and standard sizes in stock
  • Competitive Price
  • Quick Lead Time

  • Aluminum Nitride Ring is a high-performance ceramic material with exceptional thermal conductivity, electrical insulation, and high-temperature resistance. It is widely used as an insulating component and wear-resistant sealing ring. As a leading supplier and manufacturer of premium aluminum nitride products, we can supply high-quality aluminum nitride rings with various specifications and competitive prices, offering customized solutions to meet specific requirements.
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Aluminum Nitride Ring Data Sheet

Reference Code:

HM1921

Purity:

95%-99%

Density:

3.32 g/cm3

Appearance:

Dark Gray / Light Gray / Beige

Aluminum Nitride Ring

Aluminum Nitride Ring is made from high-purity aluminum nitride ceramic, possessing exceptional thermal conductivity (170-230 W/m·K), excellent electrical insulation, and high-temperature resistance (up to over 1000℃). Advanced Ceramics Hub can supply customized solutions in diameter, thickness, and surface finish to meet diverse industrial and research requirements.

  • Aluminum Nitride Ring HM

Aluminum Nitride Ring Advantages

  • High thermal conductivity (170-230 W/mK), up to 9.5 times that of alumina.
  • A thermal expansion coefficient similar to that of silicon (Si).
  • Superior electrical insulation and lower dielectric constant.
  • Higher mechanical strength (450 MPa).
  • Excellent resistance to molten metal corrosion.
  • High purity and non-toxic.

Aluminum Nitride Ball Applications

  • Electronics: With high thermal conductivity and electrical insulation, they are used in heat-dissipating substrates, packaging, and insulating rings in high-power devices like LEDs, power modules, and microwave components.
  • Semiconductors: In semiconductor manufacturing, they serve as support or insulating components in high-temperature environments due to their heat resistance and corrosion resistance.
  • Mechanical: AlN rings’ high hardness and wear resistance make them ideal for wear-resistant parts and sealing rings in demanding mechanical conditions.
  • Aerospace: Their lightweight, high-strength, and heat-resistant properties make them suitable for high-temperature components in aerospace applications.
  • Thermal Management Techniques
    Thermal Management Techniques
  • Electric and Electrical Equipments HM
    Electrical and Electronic Area
  • Automobile industry HM
    automobile industry
  • Aerospace Applications HM
    Aerospace

Aluminum Nitride Material Properties

Property

Unit

HMAN1000

HMAN2000

HMAN3000

HMAN4000

HMAN1000S

Density

g/cm3

3.32

3.32

3.32

3.30

3.30

Young’s Modulus

GPa

 300-350

300-350

300-350

300-350

350

Fracture Toughness KIC

MPa m1/2

3

3

3

2.5

3

Poisson’s Ratio

–

 0.22

0.22

0.22

0.22

0.22

Compressive Strength

MPa

3000

3000

3000

3000

3000

Flexural Strength @ 25°C

MPa

350

350

350

350

350

Hardness

GPa

10

10

10

12

11

Property

Unit

HMAN1000

HMAN2000

HMAN3000

HMAN4000

HMAN1000S

Thermal Conductivity @ 25°C

W/mK

170

200

230

200

170

CTE 25°C ➞ 400°C

10-6/K

4.5

4.5

4.5

3.5

4.6

Max Temperature (Air)

°C

1200

1200

1200

1200

1200

Max Temperature (Inert)

°C

1200

1200

1200

1200

1200

Property

Unit

HMAN1000

HMAN2000

HMAN3000

HMAN4000

HMAN1000S

Dielectric Constant

1 MHz

8.8

8.8

8.5

8.5

8.8

Dielectric Loss

1 MHz

5×10-4

5×10-4

5×10-4

5×10-4

5×10-4

Dielectric Strength DC @ 25°C

kV/mm

15

15

15

15

14

Volume Resistivity @ 25°C

ohm-cm

 >1013

>1013

>1013

 >1014

 >1014

Aluminum Nitride Material Grades

HMAN1000 is our standard high purity aluminium nitride with a thermal conductivity of 170 W/mK. This is the same thermal performance as our substrate material but offers the possibility of larger pieces in length/width and in thicknesses up to 30mm.
HMAN1000 has good coefficient of thermal expansion – matched to silicon and gallium nitride over wide temperature ranges.

HMAN100 Applications:

  • High power insulators
  • Laser components
  • Water cooled heatsinks
  • Power electronics
  • Aerospace, medical and semiconductor components

HMAN1000S 170 W/mK is our standard high thermal conductivity substrate material, However, other high-performance grades are also available.

HMAN1000S Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

HMAN2000 is one of our enhanced grades of aluminium nitride, offering all the mechanical performance of HMAN1000 with the enhanced benefits of 200 W/mK thermal conductance.

HMAN2000 Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

HMAN3000 is one of our enhanced grades of aluminium nitride offering, all the mechanical performance of HMAN1000 with the enhanced benefits of 230 W/mK thermal conductance.

HMAN3000 Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

HMAN4000 is one of our enhanced grades of aluminium nitride offering, all the mechanical performance of HMAN1000 with the enhanced benefits of 200 W/mK thermal conductance.

HMAN4000 Applications:

  • Heat sinks
  • Heat spreaders
  • Laser heatsinks power rectifiers
  • Aerospace, power electronics, rectifiers

Aluminum Nitride Ceramic Machining

Ceramic Machining HM

Aluminum Nitride (AlN) ceramic machining is a precise process used to fabricate high-performance components from aluminum nitride materials. Machining aluminum nitride ceramics requires specialized equipment and techniques to handle their brittleness and hardness. Proper tooling and controlled environments are essential to avoid material damage and achieve the desired surface finish and dimensional accuracy. The common machining methods are as follows:

  • Diamond Cutting: Diamond tools are used to achieve fine precision and smooth surface finishes, ideal for complex shapes.
  • Laser Cutting: A non-contact method used for intricate shapes, with high precision and minimal thermal impact.
  • Precision Grinding: Utilized to achieve fine tolerances and surface finishes. Requires special care to prevent cracking or chipping due to the ceramic’s brittleness.
  • Wire EDM (Electrical Discharge Machining): A method often used for intricate cutting, especially for thin and complex geometries.

Aluminum Nitride Ceramic Packaging

Aluminum Nitride Ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.

ceramic products packing HM

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To customize your aluminum nitride ring, please provide the following details:

  1. Dimensions: Specify the diameter
  2. Material Grade: Specify the material grades.
  3. Purity of the material
  4. Tolerances: Specify the tolerances you can accept.
  5. Surface Finish: polished, rough, etc.
  6. Quantity of the balls you need
  7. Alternatively, you can provide a drawing with your specifications.

Once we have these details, we can provide you with a quote within 24 hours.

We carry a wide variety of boron nitride products in stock, and for these, there is generally no minimum order requirement. However, for custom orders, we typically set a minimum order value of $200. The lead time for stock items is usually 1-2 weeks, while custom orders usually take 3-4 weeks, depending on the specifics of the order.

Aluminum Nitride is a high-performance inorganic ceramic material with excellent thermal conductivity and electrical insulation properties. It is a common ceramic material used in various electrical devices. It is also resistant to the corrosion of most molten metals, such as copper, lithium, aluminum, etc.

  • High Thermal Conductivity: Over 170 W/mK, close to BeO and SiC, more than five times higher than alumina (Al2O3).
  • Thermal Expansion Coefficient: 4.5 × 10⁻⁶°C, similar to silicon (3.5-4 × 10⁻⁶°C).
  • Good Light Transmittance: Excellent transparency properties.
  • Non-Toxic: Safe and environmentally friendly.
  • Excellent Electrical Properties: Includes dielectric constant, dielectric loss, volume resistivity, and dielectric strength, making it an outstanding insulator.
  • Good Mechanical Properties: Higher flexural strength than alumina (Al2O3) and beryllium oxide (BeO), widely used in industrial applications.

Advanced Ceramic Hub, established in 2016 in Colorado, USA, is a specialized supplier and manufacturer of graphene products. With extensive expertise in supply and export, we offer competitive pricing and customized solutions tailored to specific requirements, ensuring outstanding quality and customer satisfaction. As a professional provider of ceramics, refractory metals, specialty alloys, spherical powders, and various advanced materials, we serve the research, development, and large-scale industrial production needs of the scientific and industrial sectors.

Aluminum Nitride Ring

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