|
상세 정보 |
|||
| Product Name: | ball Silicon Carbide ceramic balls SiC bearing balls | Material: | Silicon Carbide |
|---|---|---|---|
| Color: | Black | Size: | customizable |
| Packing: | Cartons /Plastic Tube/Bags | Usage: | Bearing/Machinery |
| MOQ: | 10pcs | Max service temp: | 800℃ |
제품 설명
small-sized silicon carbide ceramic balls Custom Size 0.8mm-30mm for rolling bearing
silicon carbide ceramic balls' abstract
Silicon carbide ceramic balls, known for their high hardness, excellent wear resistance, and exceptional chemical stability, are emerging as promising components for bearing applications in various industries. These small-sized ceramic balls offer superior performance compared to traditional bearing materials, such as steel or plastic, particularly in demanding environments characterized by high temperatures, corrosive fluids, or abrasive particles. Their unique combination of mechanical properties, including high strength, low density, and resistance to thermal and chemical degradation, makes them ideal candidates for use in precision bearings, high-speed machinery, and aggressive operating conditions. This abstract highlights the potential of silicon carbide ceramic balls as advanced bearing materials and discusses their industrial applications in automotive, aerospace, manufacturing, and other sectors where reliability, efficiency, and durability are paramount.
silicon carbide ceramic balls' properties
-
High Hardness: Silicon carbide ceramic balls are exceptionally hard, ranking close to diamond on the Mohs scale. This hardness provides excellent resistance to wear and abrasion, contributing to long-term durability and reliability in bearing applications.
-
Exceptional Wear Resistance: Due to their high hardness and chemical inertness, silicon carbide ceramic balls exhibit outstanding wear resistance, making them suitable for use in high-speed and high-load bearing systems where friction and wear are significant concerns.
-
Chemical Stability: Silicon carbide ceramic balls are highly resistant to chemical corrosion, even in aggressive environments containing acids, alkalis, or corrosive fluids. This chemical stability ensures the integrity and performance of bearings in harsh operating conditions.
-
High Temperature Resistance: Silicon carbide ceramic balls can withstand elevated temperatures without significant loss of mechanical properties. This thermal stability allows them to maintain dimensional stability and performance in applications involving high temperatures, such as automotive engines, industrial furnaces, and aerospace systems.
-
Low Friction Coefficient: Silicon carbide ceramic balls exhibit a low coefficient of friction, reducing energy losses and heat generation during operation. This characteristic contributes to the efficiency and reliability of bearing systems, particularly in high-speed or high-precision applications.
-
Low Density: Despite their high hardness and strength, silicon carbide ceramic balls have a relatively low density compared to metals like steel. This low density helps to reduce the overall weight of bearing systems, minimizing inertia and improving efficiency in rotating machinery.
-
High Modulus of Elasticity: Silicon carbide ceramic balls have a high modulus of elasticity, providing stiffness and rigidity to bearing assemblies. This property helps to maintain dimensional stability and reduce deformation under load, ensuring precise alignment and smooth operation.
-
Electrical Insulation: Silicon carbide ceramic balls are electrically insulating, making them suitable for use in applications where electrical conductivity is a concern, such as electric motor bearings or components in electronic devices
| Property | Description | Indicative Data |
|---|---|---|
| Hardness | Exceptionally high resistance to indentation | Mohs hardness: ~9.5 |
| Wear Resistance | Ability to withstand abrasion and friction | Wear rate: <0.1 mg/cm² |
| Chemical Stability | Resistance to chemical corrosion | Corrosion rate: <0.01 mm/yr |
| Temperature Resistance | Ability to maintain mechanical properties at high temps | Max. operating temp: >1000°C |
| Friction Coefficient | Measure of resistance to sliding motion | Coefficient: ~0.2 |
| Density | Mass per unit volume | Density: ~3.2-3.3 g/cm³ |
| Modulus of Elasticity | Measure of stiffness and rigidity | Modulus: ~400-500 GPa |
| Electrical Insulation | Ability to resist electrical conduction | Insulating properties |
silicon carbide ceramic balls' physical photograph
silicon carbide ceramic balls' applications
-
Bearings: Silicon carbide ceramic balls are used in bearings for high-speed machinery, automotive engines, aerospace systems, and other applications where high wear resistance, temperature stability, and reliability are essential.
-
Valves and Pumps: These ceramic balls are utilized in valve and pump components in chemical processing, oil and gas, and other industries requiring corrosion-resistant and wear-resistant materials.
-
Cutting Tools: Silicon carbide ceramic balls are incorporated into cutting tools for machining operations involving hard and abrasive materials, such as metals, ceramics, and composites.
-
Fluid Handling Equipment: They are employed in fluid handling equipment, including seals, plungers, and pistons, in industries such as water treatment, chemical processing, and semiconductor manufacturing.
-
High-Temperature Furnaces: Silicon carbide ceramic balls are used as components in high-temperature furnaces, kilns, and heating elements due to their ability to withstand extreme temperatures and thermal shock.
-
Ballistic Protection: In military and defense applications, silicon carbide ceramic balls are used in armor systems to provide lightweight, high-strength protection against ballistic threats.
-
Electronics: They find use in electronic devices and semiconductor manufacturing equipment due to their electrical insulation properties and resistance to high temperatures and chemical corrosion.
-
Medical Devices: Silicon carbide ceramic balls are utilized in medical devices such as prosthetics, surgical instruments, and dental tools due to their biocompatibility and wear resistance.
-
Chemical Processing: They are employed in reactors, mixers, and agitators in chemical processing plants due to their resistance to corrosion and abrasion in harsh chemical environments.
-
Microfluidics and Lab-on-a-Chip Devices: Silicon carbide ceramic balls are used as components in microfluidic devices and lab-on-a-chip systems for applications such as medical diagnostics, drug delivery, and chemical analysis.
Q&A
What is silicon carbide ceramic used for?
Grains of silicon carbide can be bonded together by sintering to form very hard ceramics that are widely used in applications requiring high endurance, such as car brakes, car clutches and ceramic plates in bulletproof vests.
What is a typical application of a silicon carbide?
Silicon carbide powders are utilised for abrasive machining processes such as grinding, sandblasting, and water-jet cutting. SiC can be laminated in paper, cloth, or wood to produce frictional grip. It can also be used for shaping, honing, and polishing other materials.