Introduction of Silicon Nitride Rings
Silicon Nitride Rings are ring shaped components made from silicon nitride (Si₃N₄) material and are widely used in high temperature, high strength and corrosion resistant environments. Silicon nitride is a high-performance ceramic material with excellent mechanical, thermal, and chemical properties that make it suitable for manufacturing a wide range of industrial components.
Silicon Nitride Ring
Features of Silicon Nitride Rings
High mechanical strength: Silicon nitride rings have extremely high hardness and compressive strength, and can withstand large mechanical stresses.
High temperature resistance: they can work stably in high temperature environment above 1200°C and are not easy to be deformed or damaged.
Corrosion resistance: good resistance to acid, alkali and other corrosive media.
Low density: Silicon nitride has a low density, making it suitable for applications requiring lightweight design.
Excellent wear resistance: Silicon nitride rings perform well under high-speed friction conditions and have a long service life.
High thermal shock resistance: able to withstand rapid temperature changes without rupture.
Electrical insulation: Silicon nitride is a good electrical insulator for electrical and electronic applications.
Specifications of Silicon Nitride Rings
|
Property |
Specification |
|
Material Composition |
Si₃N₄ (Silicon Nitride) |
|
Density |
~3.20 g/cm³ |
|
Hardness (Vickers) |
~1500-1800 HV |
|
Fracture Toughness |
~6-7 MPa·m½ |
|
Young’s Modulus (Elastic Modulus) |
~280-320 GPa |
|
Compressive Strength |
~3000-4000 MPa |
|
Flexural Strength (Bending Strength) |
~800-1000 MPa |
|
Coefficient of Thermal Expansion |
~3.2 × 10⁻⁶ /°C (at room temperature to 1000°C) |
|
Thermal Conductivity |
~25-35 W/m·K |
|
Max Service Temperature in Air |
Up to 1200°C (continuous), up to 1400°C (intermittent) |
|
Chemical Resistance |
Excellent resistance to acids, alkalis, and molten metals |
|
Electrical Resistivity |
High (>10¹² Ω·cm at room temperature) |
|
Wear Resistance |
Excellent, suitable for high-wear applications |
|
Thermal Shock Resistance |
Outstanding, capable of withstanding rapid temperature changes |
|
Corrosion Resistance |
Superior, especially in aggressive environments |
|
Self-Lubricating Properties |
Reduces friction in moving parts |
|
Biocompatibility |
Suitable for medical applications |
|
Environmental Impact |
Environmentally friendly, no harmful substances |
|
Ring Dimensions |
Inner diameter, outer diameter, and thickness can be customized based on application requirements |
Applications of Silicon Nitride Rings
Bearings and ball bearings: Used in high-speed, high-temperature bearings to reduce friction and wear.
Semiconductor manufacturing: as high temperature and corrosion resistant parts in semiconductor processing equipment.
Automotive industry: for engine components, turbochargers and exhaust systems.
Aerospace: used as structural components in high-temperature, high-intensity environments.
Chemical equipment: for corrosion-resistant pumps and valves, sealing rings and pipe linings.
Mechanical engineering: as high-precision machine parts such as rails and slides.
Energy sector: for gas turbines, nuclear reactors and other high-temperature energy equipment.
Packing and Storage
The product is in powder form and should be stored in a cool, ventilated place. Avoid inhalation when using it and keep away from open flames, heat sources, etc.
Packing and Storage
Company Profile
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) 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 Silicon Nitride Rings please feel free to contact us or click on the needed products to send an inquiry.
Company Profile
Payment Term
T/T, Western Union, Paypal, Credit Card etc.
Shipment Term
By air, by sea, by express, as customers request.
FAQs of Silicon Nitride Rings
Question 1: What is the main material of silicon nitride ring? What are its properties?
Answer: The main material of silicon nitride ring is silicon nitride (Si₃N₄). It has high mechanical strength, high temperature resistance (above 1200°C), corrosion resistance, low density, excellent abrasion and thermal shock resistance, and is a good electrical insulator.
Question 2: How do silicon nitride rings perform in high-temperature environments?
Answer: Silicon nitride rings perform well in high temperature environments and can work stably at temperatures above 1200°C, keeping mechanical properties and shape unchanged, making them suitable for high temperature industrial applications.
Question 3: In which industrial fields are silicon nitride rings important?
Answer: Silicon nitride rings are widely used in bearings and balls, semiconductor manufacturing, automotive industry, aerospace, chemical equipment and other industrial fields.
Question 4: What are the advantages of silicon nitride rings over metal rings?
Answer: Silicon nitride rings have the advantages of high temperature resistance, corrosion resistance, low density, abrasion resistance, and electrical insulation. They can work above 1200°C, which is better than most metals. They have good resistance to corrosive media such as acids and alkalis, are lightweight, which is suitable for lightweight design, and have a long service life under high-speed friction conditions, which makes them suitable for electrical and electronic applications.
Question 5: What is the role of silicon nitride rings in semiconductor manufacturing?
Answer: In semiconductor manufacturing, silicon nitride rings are mainly used for equipment components in high-temperature and corrosive environments, such as wafer carrier rings, heater gaskets and sealing rings, to ensure high precision and stability.
