ALN Ceramic Ring High Thermal Conductivity Aluminum Nitride Washer Aluminum Nitride Ceramic Ring Aluminum Nitride Ring

Overview of Aluminum Nitride Ring

Aluminum Nitride (AlN) ceramic rings are specialized ceramic elements that play a vital duty in a selection of high-performance applications utilizing the unique residential or commercial properties of light weight aluminum nitride. These ceramic rings are made to fulfill rigorous demands in thermal monitoring, electrical insulation, and mechanical stability. Here is an introduction of light weight aluminum nitride ceramic rings:

Specifications of Aluminum Nitride Rings

Property	Typical Specification
Material Composition	AlN (Aluminum Nitride)
Thermal Conductivity	170-220 W/m·K
Coefficient of Thermal Expansion	~4.5-5.0 ppm/°C (similar to silicon)
Dielectric Strength	>20 kV/mm
Dielectric Constant (1 MHz)	~8.4 – 9.6
Volume Resistivity	>10^14 Ω·cm at 25°C
Mechanical Strength (Bending)	~350-450 MPa
Hardness (Vickers)	~12-14 GPa
Density	~3.26 g/cm³
Porosity	<1%
Operating Temperature Range	-269°C to +1000°C
Chemical Stability	Excellent resistance to acids, alkalis, and molten metals
Surface Finish	Can be polished to optical quality or left with a machined finish
Inner Diameter (ID)	Customizable; typically ranges from a few millimeters to several centimeters
Outer Diameter (OD)	Customizable; typically ranges from a few millimeters to several centimeters
Thickness	Customizable; typically ranges from 0.5 mm to several millimeters
Purity	High purity options available (e.g., >99%)

Features of light weight aluminum nitride ceramic rings

Chemical stability: Light weight aluminum nitride ceramic rings have exceptional chemical resistance, including resistance to thaw steels, acids and bases, ensuring toughness also in harsh environments.

High thermal conductivity: One of the exceptional functions of aluminum nitride ceramic rings is its superb thermal conductivity, which varies from 170 to 220 W/m-K. This property makes it really efficient in applications that need reliable warmth dissipation.

Outstanding electric insulation: In spite of its high thermal conductivity, AlN ceramic rings preserve excellent electric insulation residential or commercial properties, making them suitable for electronic packaging and semiconductor applications that require high dielectric strength.

Reduced coefficient of thermal growth (CTE): Aluminum nitride has a relatively reduced coefficient of thermal development, which is extremely near that of silicon and various other semiconductor products. This decreases thermal mismatch tensions and enhances dependability in gadgets based on temperature level variations.

Applications of light weight aluminum nitride ceramic rings

Electronic devices and semiconductors

1. Warmth sinks and thermal administration: Aluminum nitride rings are made use of as heat sinks or thermal management aspects in power modules, LEDs, laser diodes and RF tools. Their high thermal conductivity effectively dissipates heat away from delicate parts.
2. Shielding spacers: In electronic assemblies, aluminum nitride rings can be utilized as protecting spacers to achieve efficient thermal transmission in between elements while offering electrical seclusion.

Substrates and mounting rings: Utilized as substrates or installing rings for semiconductor devices to guarantee correct thermal and electric efficiency.

Automotive Industry

1. Sensing Unit Components: AlN rings secure sensors in extreme settings such as exhaust systems, fuel lines, and engine compartments. They hold up against high temperatures and destructive problems.
2. Ignition Equipments: Made use of in ignition systems, they have to stand up to severe temperature levels and provide trustworthy electrical insulation.
3. High-Temperature Seals: Made Use Of as seals in high-temperature automotive elements to maintain stability under thermal tension.

Telecom

1. Microwave Tools: AlN rings are utilized in microwave gadgets such as filters and resonators because of their reduced dielectric loss and excellent thermal security, which is important for maintaining signal integrity at high frequencies.
2. Satellite Interaction Systems: Utilized in satellite components since they are lightweight and can withstand extreme heat, aiding to boost the integrity of space-based communication devices.

Medical Instruments

Implants and Diagnostic Devices: Because AlN rings are biocompatible and resistant to body fluids, they can be used in certain medical implants or diagnostic tools that require secure thermal and electric buildings.

2. Laser Surgery: Surgical devices and equipment made use of in laser surgical procedure take advantage of their thermal security and longevity.

High Temperature Applications

1. Heating systems and Kilns: Used as securing rings or gaskets in heaters and kilns, they can hold up against high temperatures and corrosive atmospheres due to their thermal stability and chemical resistance.
2. Metallurgical Procedures: Made use of in processes including molten metals, as they stand up to chemical attack by the molten product.

Optoelectronics

1. Optical Windows and Lenses: Light weight aluminum nitride rings have openness and thermal stability at details wavelengths and can be utilized in optoelectronic gadgets such as optical home windows and lenses.

Laser Innovation

1. Laser Elements: Utilized as substratums or parts in laser modern technology, they can benefit from their thermal conductivity and mechanical strength.

Aerospace and Protection

1. Avionics and Spacecraft Parts: Made use of in avionics and spacecraft components, where reputable operation under extreme conditions is critical.
2. Radar Equipments: Made use of in radar systems, where they have electromagnetic compatibility and thermal security.

General Industrial Applications

Chemical Handling: Utilized in chemical handling equipment due to their acid, antacids, and chemical resistance.

Mechanical Seals and Bearings: Aluminum nitride rings can be used as mechanical seals or bearings, where they are wear immune and thermally secure.

Company Profile

NANOTRUN(www.rboschco.com) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.

The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are looking for high-quality Aluminum Nitride Rings, please feel free to contact us or click on the needed products to send an inquiry. 

Payment Term

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment Term

By sea, by air, by express, as customers request.

Frequently Asked Questions of Light Weight Aluminum Nitride Ceramic Ring:

Q1: What is Light Weight Aluminum Nitride (AlN)?

A1: Aluminum Nitride is a ceramic material recognized for its excellent thermal conductivity, electric insulation properties, and reduced coefficient of thermal expansion. It’s widely made use of in electronics, semiconductors, and other high-performance applications.

Q2: What is the regular thermal conductivity of AlN ceramic rings?

A2: The thermal conductivity of AlN ceramic rings can vary from 170 to 220 W/m · K, relying on purity and manufacturing procedures.

Q3: Where are AlN ceramic rings typically made use of?

A3: Usual applications consist of warm sinks, insulating spacers, substratums in power modules, LEDs, laser diodes, RF gadgets, vehicle sensors, ignition systems, microwave tools, satellite communication systems, clinical implants, diagnostic devices, heating systems, kilns, optical windows, and laser technology parts.

Q4: Can AlN ceramic rings be personalized?

A4: Yes, AlN ceramic rings can typically be tailored in regards to inner diameter (ID), external size (OD), thickness, and surface coating to satisfy particular application requirements.

Q5: Exactly how are AlN ceramic rings produced?

A5: Manufacturing includes several actions including powder synthesis, forming, sintering at high temperatures, and machining. The quality of the end product depends greatly on the purity of basic materials and control over processing criteria.