Silicon Nitride Ceramic
Silicon nitride ceramics are primarily composed of silicon and nitrogen, with the chemical formula Si3N4.
Silicon Nitride Ceramic
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Silicon nitride ceramic components have excellent wear resistance, high hardness, and exceptional high-temperature resistance, making them widely utilized in applications that demand high strength, wear resistance, and corrosion resistance. They find extensive use in automotive engine parts, pneumatic and hydraulic system components, high-temperature furnaces, aerospace components, as well as insulators and packaging components in electronics and semiconductor equipment.
Gorgeous is your trusted silicon nitride ceramic component supplier in China. We make perfect custom parts with attractive prices. They are perfect for automotive engine, pneumatic and hydraulic system, high-temperature furnaces, aerospace, as well as insulators and packaging components in electronics and semiconductor equipment.
If you have business or projects that need silicon nitride ceramic, you will find the perfect products with Gorgeous. We’ve got the most convenient and multipurpose units!
Silicon Nitride(Si3N4)
Ceramic Product Display
silicon carbide products
Silicon carbide ceramics can be used as refractory materials, mechanical seals for semiconductor electronic devices, wear-resistant parts, and cutting tools. Its high hardness and high wear resistance make it widely used in industrial fields, and it also shines in automobiles and aviation.
silicon carbide parts
Silicon nitride disc components
Silicon nitride thick tube rod
Features of Silicon Nitride Ceramic
High Hardness
Silicon nitride exhibits extremely high hardness, making it suitable for fields such as wear-resistant and cutting tools.
Excellent Wear Resistance
Silicon nitride ceramic exhibits outstanding wear resistance, making it suitable for applications in high-wear environments.
Superior Insulating Performance
Silicon nitride ceramic possesses excellent electrical insulation properties and chemical stability, making it widely used in the electronics and semiconductor industries.
High Temperature Stability
It can maintain stability in high-temperature environments, making it suitable for applications like high-temperature heaters and furnaces.
Silicon Nitride Ceramic Product Shapes
Silicon nitride ceramic components can be manufactured in various shapes depending on the specific application requirements, such as:
Mechanical properties of silicon nitride
| Name | Silicon nitride | |||
| Density | g/cm3 | 3.18-3.40 | ||
| Compressive Strength | MPa | 3000 | ||
| Flexural Strength @ 25°C | MPa | 760-830 | ||
| Weibull-Modulus m | – | 12-20 | ||
| Fracture Toughness KI | MPa m1/2 | 6.2-8 | ||
| Young‘s Modulus | GPa | 300 | ||
| Hardness | GPa | 15 | ||
| Poisson’s Ratio | – | 0.26 | ||
Physical properties of silicon nitride
| Physical properties of silicon nitride | ||||
| Thermal Conductivity @ 20°C | W/mK | 25-28 | ||
| Thermal Shock Parameter R1 | K | 550-690 | ||
| Thermal Shock Parameter R2 | W/m | 15-18 | ||
| CTE1 25°C ➞ 250°C | 10-6/K | 1.9 | ||
| CTE1 25°C ➞ 1000°C | 10-6/K | 3.1 | ||
| Maximum Temperature (Oxidizing) 2 | °C | 1400 | ||
| Dielectric constant | °C | 1200 | ||
| Volume Resistivity @ 25°C | ohm-cm | 1014 | ||
Why choose GORGEOUS silicon nitride ceramic products
Why choose GORGEOUS silicon nitride ceramic ?
GORGEOUS has invested a lot of energy in silicon nitride ceramic system products, just like other system products. It has accumulated a lot of experience over decades and has become a backbone product among our product members.
By drawing on the production experience of other products such as aluminum nitride products, combined with the unique properties of silicon nitride products, we have explored a set of standardized production and processing techniques, formed advanced ceramic technology, and created cost-effective products while setting high standards. While setting the benchmark for quality products, we improve various processes to fully reduce production costs and create value for customers.
For aluminum nitride ceramic products, feel free to send us your requirements. Based on our experience and advantages, we can give you a suitable plan and quotation. I hope we can cooperate successfully!
Silicon Nitride Ceramic For Different Industries
Silicon nitride ceramics are widely used across various fields including electronics, chemical industry, mechanical engineering, medical devices, research, and laboratory settings.
Automotive
Silicon nitride ceramics are used in automotive applications such as engine components, bearings, turbochargers, and exhaust gas recirculation (EGR) valves. Their high strength, thermal stability, and wear resistance make them ideal for these demanding applications.
Aerospace
Silicon nitride ceramics are employed in the aerospace industry for components like turbine blades, combustor liners, heat shields, and bearings. Their lightweight nature, high-temperature resistance, and excellent mechanical properties contribute to improved performance and fuel efficiency.
Electronic Devices
Silicon nitride ceramics are utilized in the electronics industry for applications such as substrates, insulators, and packages. Their excellent electrical insulation properties, high thermal conductivity, and chemical stability make them suitable for electronic devices and circuitry.
Energy and Power
Silicon nitride ceramics have a wide range of applications in energy and power generation, including components in gas turbines, solar cells, heat exchangers and high-temperature sensors. Its thermal shock resistance, electrical insulation and chemical stability provide huge technical advantages in these energy-related applications.
Cutting Tools and Abrasives
Silicon nitride ceramics are used in the manufacturing of cutting tools and abrasives due to their high hardness, wear resistance, and thermal stability. They are employed in machining, grinding, and cutting operations across various industries.
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Silicon Nitride Ceramic Production Process
What is the corrosion resistance of silicon nitride ceramics?
Silicon nitride ceramics have good chemical stability like many ceramic materials. It is not easily corroded by acids and alkalis. It is also highly resistant to organic solvents, salts, acid and alkali solutions, and its smooth and flat surface makes it It is difficult to adhere to other substances, reducing the probability of contamination.
Is silicon nitride ceramic brittle?
Silicon nitride ceramic is a brittle material and can easily break if used improperly. Therefore, it must be designed properly to prevent it from breaking.
Oxide protective film of silicon nitride ceramics
A layer of oxide protective film will be formed on the surface of silicon nitride ceramics. This protective film greatly reduces oxidation corrosion at high temperatures and can extend its service life. Because of the protection of the oxide film, it is difficult to be oxidized and corroded. , plays an important role in the application of high-temperature oxidizing atmospheres
Sintering process of silicon nitride ceramics
The sintering processes of silicon nitride ceramics mainly focus on reaction sintering, hot press sintering, atmospheric pressure sintering and air pressure sintering. Different sintering processes will give slightly different microscopic results for silicon nitride ceramics.
Why are silicon carbide ceramics used as ball bearings?
Silicon carbide ceramics have excellent high temperature performance, wear resistance, chemical stability, lightweight, high strength and low thermal expansion coefficient. Ball bearings made of it can withstand harsher environments and are widely used in high temperature, high speed and High load industrial areas.