Overview of Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve
Silicon Carbide (SiC) ceramic balls are spherical components made from high-purity silicon carbide, a synthetic ceramic material recognized for its exceptional hardness, wear resistance, and thermal stability. These balls are engineered to withstand demanding conditions, where conventional materials like steel or even standard ceramic balls may fail, making them invaluable in precision engineering and high-performance applications.
Features of Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve
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Extreme Hardness: With a Mohs hardness rating close to diamond, SiC ceramic balls exhibit superior resistance to scratching and abrasion.
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High Wear Resistance: Thanks to their hardness and low friction coefficient, they experience minimal wear, extending their lifespan in abrasive environments.
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Superior Corrosion Resistance: Inert to most chemicals, they resist corrosion and degradation, even in acidic or alkaline conditions.
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Thermal Stability: Retain their dimensions and mechanical properties over a wide temperature range, making them ideal for high-temperature operations.
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Low Density: Being lighter than traditional metal balls, they reduce centrifugal forces and inertia in high-speed applications.
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Electrically Insulating: Non-conductive nature allows their use in electrical and electronic applications requiring insulation properties.
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Low Thermal Expansion: Minimal dimensional changes due to temperature fluctuations ensure consistent performance in precision applications.
(Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve)
Parameters of Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve
Si3N4 is a ceramic material known for its high strength-to-weight ratio, high thermal stability, and good corrosion resistance. It has been widely used in various applications such as bearings, valves, and dies.
Here are some parameters related to Si3N4 ceramic balls:
* Specific gravity: The specific gravity of Si3N4 is usually around 6.5-7.0 g/cm³, which means it is less dense than water.
* Density: The density of Si3N4 ranges from about 3.9-4.1 g/cm³.
* Thermal stability: Si3N4 is highly resistant to high temperatures and can withstand temperatures up to 2200°C.
* Corrosion resistance: Si3N4 is relatively resistant to most acids, but not to all types. It is commonly used in applications where corrosion is a concern.
* Porosity: Si3N4 ceramics have a low porosity, which makes them suitable for use in high-pressure applications where there may be gas bubbles or liquid entrapping.
Overall, Si3N4 ceramic balls are excellent materials for use in bearing and valve applications due to their high strength-to-weight ratio, excellent thermal stability, and good corrosion resistance. However, the specific properties of these balls will depend on the desired application and other factors such as particle size, shape, and composition.
(Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve)
Company Profile
MyCarbides is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality carbides and relative products.
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 carbide materials and relative products, please feel free to contact us or click on the needed products to send an inquiry.
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Shipment
It could be shipped by sea, by air, or by reveal ASAP as soon as repayment receipt.
Applications of Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve
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Bearings: In high-speed, high-temperature, or corrosive environments where traditional metal bearings fail, SiC balls offer longer service life and reliability.
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Valve Components: As check valve balls and seats in petrochemical processing, resisting corrosion and wear from aggressive media.
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Pump Seals: Used in mechanical seals for pumps handling abrasive slurries or corrosive fluids, reducing maintenance and downtime.
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Aerospace: In ball bearings and mechanisms requiring lightweight, high-strength components capable of withstanding extreme temperatures.
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Semiconductor Manufacturing: As components in vacuum pumps and other equipment where particle contamination must be minimized.
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Precision Instruments: In measurement and control devices where dimensional stability and longevity are critical.
FAQs of Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve
Q: Are Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve magnetic?
A: No, silicon carbide is a non-magnetic material, making these balls suitable for applications where magnetic interference must be avoided.
Q: How do Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve compare to steel balls in terms of durability?
A: SiC balls are significantly harder and more wear-resistant than steel, making them last longer in abrasive or high-stress applications, though they may be more brittle.
Q: Can Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve be used in food processing equipment?
A: Yes, due to their inertness and corrosion resistance, SiC balls are suitable for use in food-grade equipment, complying with hygiene standards.
Q: What is the typical size range for Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve?
A: Sizes can vary widely, from micrometers for precision applications to several centimeters for larger industrial uses, depending on the specific requirement.
Q: Are Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve costlier than metal balls?
A: Generally, yes, due to the advanced manufacturing processes involved and the material’s superior properties, SiC balls tend to have a higher upfront cost but offer long-term benefits in durability and reduced maintenance.
(Si3N4 Silicon Nitride Ceramic Balls for Bearing and Valve)
