Silicon Nitride Ceramics with characteristics of high thermal shock high corrosion resistance non wetting with non ferrous metals and ideal material for metallurgical and welding industry

Product Description:

Silicon Nitride Ceramics (Si3N4) represent an advanced class of technical ceramics known for their exceptional mechanical properties and outstanding performance in demanding applications. This material is widely recognized for its superior bending strength, with values ranging from 750 to 1000 MPa, making it an ideal choice for components subjected to high stress and load conditions. The remarkable bending strength ensures reliability and durability in various industrial sectors, including automotive, aerospace, and electronics.

One of the key attributes of Silicon Nitride Ceramics is its impressive hardness, which typically falls between 1500 and 1650 HV. This high hardness level contributes to excellent wear resistance, making the material suitable for applications where surface durability is critical. Whether used in cutting tools, bearings, or wear-resistant coatings, the hardness of Si3N4 ceramics ensures long service life and consistent performance.

The density of Silicon Nitride Ceramics is approximately 3.2 g/cm³, which strikes a balance between strength and lightweight characteristics. This moderate density allows for the production of components that are both robust and relatively light, contributing to efficiency in applications where weight reduction is a priority. For example, in the manufacturing of SI3N4 ceramic ball bearings, the low density helps reduce rotational inertia, enhancing the overall performance of machinery and equipment.

Another important mechanical property of Silicon Nitride Ceramics is its Poisson's ratio, which is about 0.27. This parameter reflects the material’s elastic behavior under mechanical stress and is crucial for engineering calculations related to deformation and stress distribution. The consistent Poisson’s ratio ensures predictable mechanical responses, facilitating precision in the design and manufacturing of components such as SI3N4 ceramic ball elements used in high-performance applications.

In terms of appearance, Silicon Nitride Ceramics typically exhibit a sleek black or gray color. This aesthetic characteristic not only adds to the material's appeal but also serves practical purposes in certain applications. The dark coloration can aid in thermal management and reduce reflective glare, which is beneficial in optical and electronic devices. Additionally, the color consistency is an indicator of the high purity and quality of the ceramic material.

Among the various forms of Silicon Nitride Ceramics, the SI3N4 ceramic ball is particularly noteworthy. These ceramic balls are extensively utilized in precision bearings, valves, and pumps due to their excellent mechanical properties, chemical stability, and resistance to high temperatures. The SI3N4 ceramic ball offers superior wear resistance and fatigue life compared to traditional steel balls, making it an essential component in advanced engineering systems. Their lightweight nature combined with high strength enhances operational efficiency and reduces energy consumption in rotating machinery.

Moreover, SI3N4 ceramic balls demonstrate outstanding corrosion resistance and thermal shock resistance, which allow them to perform reliably in harsh environments. This makes them suitable for use in chemical processing, aerospace, and automotive industries where exposure to extreme temperatures and aggressive chemicals is common. The material's ability to maintain structural integrity under such conditions ensures longevity and reduces maintenance costs.

In summary, Silicon Nitride Ceramics stand out due to their high bending strength (750-1000 MPa), significant hardness (1500-1650 HV), moderate density (3.2 g/cm³), and reliable Poisson's ratio (0.27). Their distinctive black or gray color complements their functional advantages. The SI3N4 ceramic ball, in particular, exemplifies the excellent mechanical and physical properties of this material, making it indispensable in various high-performance applications. Whether for industrial machinery, aerospace components, or precision instruments, Silicon Nitride Ceramics deliver unmatched durability, efficiency, and reliability.

Features:

• Product Name: Silicon Nitride Ceramics
• Density: 3.2 G/cm³
• Fracture Toughness: 5.5-6.5 MPa·m ^0.5
• Compressive Strength: 3800 MPa
• Color: Black/Gray
• Bending Strength: 750-1000 MPa
• Ideal for use in SI3N4 ceramic ball applications due to its high strength and toughness.
• SI3N4 ceramic ball material offers excellent wear resistance and durability.
• Widely utilized in manufacturing SI3N4 ceramic ball components for advanced engineering solutions.

Technical Parameters:

Applications:

The SI3N4 ceramic ball produced by Wuxi Special Ceramic, a renowned brand from China, is engineered to meet the demanding requirements of various industrial applications. Thanks to its exceptional mechanical properties, including a Poisson's ratio of 0.27, compressive strength of 3800 MPa, hardness ranging from 1500 to 1650 HV, density of 3.2 g/cm³, and fracture toughness between 5.5 and 6.5 MPa·m ^1/2 , this SI3N4 ceramic ball is an ideal choice for high-performance and high-reliability components.

One of the most common application occasions for the SI3N4 ceramic ball is in the field of precision bearings. Its superior hardness and fracture toughness enable it to withstand extreme loads and reduce wear, making it suitable for high-speed rotating machinery used in aerospace, automotive, and industrial equipment. The low density of 3.2 g/cm³ also contributes to weight reduction, enhancing energy efficiency and operational stability in these applications.

The SI3N4 ceramic ball is also widely used in the semiconductor manufacturing industry, where precision and contamination resistance are critical. Due to its chemical inertness and excellent compressive strength, it ensures reliable performance in harsh environments, such as in the production of wafers and other delicate components. This application leverages the unique combination of mechanical strength and chemical stability inherent in Wuxi Special Ceramic's SI3N4 ceramic ball.

In addition, this advanced ceramic material is suitable for use in medical devices and equipment. The high hardness and fracture toughness of the SI3N4 ceramic ball provide durability and longevity in surgical tools and implants, where biocompatibility and mechanical reliability are paramount. Its ability to maintain structural integrity under stress makes it valuable for critical medical applications.

Furthermore, the SI3N4 ceramic ball finds application in the energy sector, particularly in gas turbines and nuclear reactors, where materials must endure high temperatures and corrosive environments. The combination of high compressive strength and moderate Poisson's ratio ensures resilience and dimensional stability, vital for maintaining safety and performance under extreme conditions.

Overall, the SI3N4 ceramic ball from Wuxi Special Ceramic represents a high-quality material solution, suitable for a wide range of demanding application scenarios – from precision bearings and semiconductor manufacturing to medical devices and energy systems. Its outstanding mechanical properties and origin from a trusted Chinese manufacturer make it a preferred option for industries requiring durability, reliability, and performance.

Customization:

Wuxi Special Ceramic offers customized Silicon Nitride Ceramics tailored to meet your specific requirements. Our SI3N4 ceramic ball products, originating from China, boast excellent thermal conductivity ranging from 20-25 W/M*K, ensuring efficient heat dissipation in high-performance applications. With a density of 3.2 G/cm³ and an impressive compressive strength of 3800 MPa, our SI3N4 ceramic ball components are designed for durability and reliability. The fracture toughness of 5.5-6.5 MPa provides superior resistance to cracking under stress. Available in black or gray, our SI3N4 ceramic ball products combine strength and aesthetic appeal, making them ideal for various industrial uses. Trust Wuxi Special Ceramic for premium Silicon Nitride Ceramics customized to your needs.

Support and Services:

Our Silicon Nitride Ceramics product is supported by a dedicated technical team committed to providing comprehensive assistance throughout the product lifecycle. We offer expert guidance on material selection, processing techniques, and application optimization to ensure optimal performance in your specific use case.

Technical support includes consultation on machining, thermal treatment, and joining methods suitable for Silicon Nitride Ceramics to help you achieve the desired mechanical and thermal properties. Our specialists are available to troubleshoot challenges related to durability, wear resistance, and thermal stability.

In addition to technical advice, we provide detailed product documentation, including datasheets, handling instructions, and safety guidelines to facilitate safe and effective use. We also offer training sessions and workshops to enhance your team’s knowledge and capabilities in working with advanced ceramic materials.

Our commitment extends to after-sales services, including failure analysis and performance evaluation, to support continuous improvement and long-term reliability of your applications incorporating Silicon Nitride Ceramics.