Machinable Thermal Conduct Ceramic Aln Aluminum Nitride Structural Part

• Customization: Available
• Flexural Strength: ≥300 MPa
• Material: Aluminum Nitride
• Thermal Conductivity: >200
• Usage Temperature: ＜1300℃
• Melting Point: 2500
• Coefficient of Thermal Expansion: 4.8
• Surface Roughness: Ra 0.3-0.5
• Water Absorption: 0
• Density: 3.31g/cm3
• Type: Aluminum Nitride Ceramic
• Color: Grey
• Certification: ISO9001
• Refractoriness (ºC): 1580< Refractoriness< 1770
• Feature: Long Time Materials
• Processing Service: Moulding
• Transport Package: Carton
• Specification: According to customer request
• Trademark: RY
• Origin: China
• HS Code: 6906000000
• Production Capacity: 10000PCS Per Month

Product Description

Aluminum Nitride (AlN) ceramics are advanced materials with a unique combination of properties that make them suitable for various high-performance applications. Here's an overview of Aluminum Nitride ceramics, including their key characteristics and common applications:

 

Key Characteristics:

 

1.

 

High Thermal Conductivity: One of the most notable properties of AlN ceramics is its high thermal conductivity, which can be as high as 170-220 W/m·K. This property makes it an excellent material for heat dissipation in electronic devices.

2.

 

Low Dielectric Constant: AlN has a low dielectric constant compared to other ceramic materials, which minimizes signal delay and loss in high-frequency applications.

3.

 

Good Electrical Insulation: Despite its high thermal conductivity, AlN exhibits excellent electrical insulation properties, making it suitable for use in environments where both thermal management and electrical isolation are required.

4.

 

Chemical Stability: AlN ceramics are highly resistant to chemical attack by acids and alkalis at high temperatures, providing durability in corrosive environments.

5.

 

Thermal Shock Resistance: They can withstand rapid temperature changes without cracking or degrading, which is beneficial in applications involving extreme thermal cycling.

6.

 

Lightweight: AlN ceramics have a relatively low density compared to other ceramics, contributing to lighter-weight components in aerospace and automotive applications.

Performance Index:
 

Item	Unit	Reference Value	Test method
Thermal conductivity	W/m.K	>200	Transient plane source method
Surface roughness	μm	<0.6	Stylus surface roughness tester
Warpage	/	<2.5‰	Glass gauge
Apparent density	g/cm^3	≥3.26	Drainage method
Bending strength	MPa	>300	Three-point bending resistance method
Volume resistance	Ω.cm	1.5x10^13 (TYP)	Volume resistance gauge
Dielectric constant	@1MHz	8.9 (TYP)	Impedance method
Break down voltage	Kv/mm	36.85(TYP)	DC power method
Coefficient of linear expansion	1×10^-6/ºC	4.75(TYP)	Thermomechanical analysis

Applications:

 

1.

 

Electronics and Semiconductors: AlN substrates are widely used in power electronics, LED packaging, and RF modules due to their superior thermal management capabilities and electrical insulation properties.

2.

 

Heat Sinks: Given its high thermal conductivity, AlN is often used in heat sinks for high-power devices, such as laser diodes, LEDs, and integrated circuits, ensuring efficient heat dissipation.

3.

 

Aerospace and Defense: In these industries, AlN ceramics find application in microwave components, radomes, and structural parts that require lightweight yet durable materials capable of handling high temperatures.

4.

 

Automotive Industry: AlN ceramics are used in sensors, actuators, and power modules within vehicles, particularly in electric and hybrid vehicles where thermal management is critical.

5.

 

Medical Devices: Due to their biocompatibility and stability, AlN ceramics can be found in medical implants and devices that require precise thermal control and electrical insulation.

6.

 

Optoelectronics: AlN substrates support the fabrication of high-efficiency optoelectronic devices, such as UV LEDs and photodetectors, due to their transparency to ultraviolet light and good thermal conductivity.

 

 

FAQ
Q1: How to make sure the exact material I need?

please tell us your requests on material performance and your specific application, according to which we will offer you the most suitable material.

Q2: Do you accept customized production based our specification?
Yes, we offer OEM and ODM service. Just send us your drawing if you have it. If you don't have a drawing, just tell us your idea, our professional designers will make it out.
Q3: What is the MOQ?
We don't have limit to the quantity.
Q4: Can you guarantee the product?
Yes, we promise to provide quality assurance for all products, inspect according to your drawings and issue an inspection report. If you are not satisfied with our product quality or service, please feel free to give us feedback.