Typical application
Gear pump
Magnetic pump
Shielding pump
Multi-stage pump
Vertical pump
Downhole pump
Features and advantages
Extremely high hardness, excellent surface finish, high wear resistance, and improved PV value.
Excellent corrosion resistance. In all chemical categories, CORESIC® SP silicon carbide has better corrosion resistance than alumina, reaction-bonded silicon carbide and tungsten carbide. It can also work in harsh environments.
The best combination of mechanical and physical properties-high strength and elastic modulus, high thermal conductivity and low coefficient of thermal expansion, this combination of properties allows designers to design rigid and highly loaded bearings.
CORESIC® SP silicon carbide bearings and bushings are usually customized according to customer requirements.
Specification
Silicon carbide bushings are high-performance components widely used in various industries for their exceptional properties and reliability. These bushings are composed of silicon carbide, a compound known for its exceptional hardness, excellent thermal conductivity, and superb resistance to wear corrosion, and high temperatures. In this description, we will explore the features, applications, and advantages of silicon carbide bushings.
Superior Hardness and Wear Resistance: Silicon carbide bushings exhibit outstanding hardness, surpassing that of most other engineering materials. This property makes them highly resistant to abrasion, erosion, and fretting, ensuring extended component lifespan and reduced maintenance requirements.
Excellent Thermal Conductivity: With its remarkable thermal conductivity, silicon carbide bushings effectively dissipate heat generated during operation. This feature allows for higher operating speeds and increased efficiency in heat-sensitive applications, preventing heat-related damage and ensuring reliable performance.
Exceptional Chemical and Corrosion Resistance: Silicon carbide bushings are highly inert and resistant to various chemicals and corrosive substances, including acids, alkalis, and harsh environments. This makes them suitable for use in chemically aggressive settings, such as chemical processing, oil and gas, and wastewater treatment industries.
High-Temperature Stability: Operating reliably in high-temperature environments is a crucial requirement for many applications. Silicon carbide bushings excel in this aspect, maintaining their mechanical integrity and dimensional stability even at extreme temperatures, surpassing the capabilities of traditional bearing materials.
Mechanical Engineering and Manufacturing: Silicon carbide bushings find extensive usage in mechanical engineering applications that demand high wear resistance, such as pumps, bearings, seals, and valves. They are also employed in precision machining, cutting, and grinding tools due to their exceptional hardness and thermal properties.
Automotive and Aerospace: The automotive and aerospace industries utilize silicon carbide bushings in critical components subjected to high mechanical stress, thermal cycling, and exposure to aggressive fluids. These bushings enhance the durability and performance of engine parts, turbine blades, actuation systems, and fuel pumps.
Chemical Processing and Petrochemicals: Silicon carbide bushings provide a reliable solution for handling corrosive chemicals and abrasive slurries in corrosion-resistant pumps, mixers, and turbines used in chemical processing plants and petrochemical refineries. Their high wear resistance and chemical inertness ensure extended service life and reduced downtime.
Renewable Energy: The renewable energy sector, particularly wind power generation, benefits from silicon carbide bushings. These bushings enable the reliable and efficient operation of wind turbine generator systems, where extreme conditions such as high rotational speeds, vibrations, and variable temperatures are encountered.
Silicon carbide bushings stand out as a superior choice for applications requiring exceptional hardness, wear resistance, thermal conductivity, and resistance to corrosion and high temperatures. They find utility in diverse industries, including mechanical engineering, automotive, aerospace, chemical processing, and renewable energy. By providing an extended operational lifespan, improved efficiency, and reliable performance, silicon carbide bushings deliver exceptional value and remain an indispensable solution for demanding applications.
Typical application
Gear pump
Magnetic pump
Shielding pump
Multi-stage pump
Vertical pump
Downhole pump
Typical application
Gear pump
Magnetic pump
Shielding pump
Multi-stage pump
Vertical pump
Downhole pump
Features and advantages
Extremely high hardness, excellent surface finish, high wear resistance, and improved PV value.
Excellent corrosion resistance. In all chemical categories, CORESIC® SP silicon carbide has better corrosion resistance than alumina, reaction-bonded silicon carbide and tungsten carbide. It can also work in harsh environments.
The best combination of mechanical and physical properties-high strength and elastic modulus, high thermal conductivity and low coefficient of thermal expansion, this combination of properties allows designers to design rigid and highly loaded bearings.
CORESIC® SP silicon carbide bearings and bushings are usually customized according to customer requirements.
Specification
Silicon carbide bushings are high-performance components widely used in various industries for their exceptional properties and reliability. These bushings are composed of silicon carbide, a compound known for its exceptional hardness, excellent thermal conductivity, and superb resistance to wear corrosion, and high temperatures. In this description, we will explore the features, applications, and advantages of silicon carbide bushings.
Superior Hardness and Wear Resistance: Silicon carbide bushings exhibit outstanding hardness, surpassing that of most other engineering materials. This property makes them highly resistant to abrasion, erosion, and fretting, ensuring extended component lifespan and reduced maintenance requirements.
Excellent Thermal Conductivity: With its remarkable thermal conductivity, silicon carbide bushings effectively dissipate heat generated during operation. This feature allows for higher operating speeds and increased efficiency in heat-sensitive applications, preventing heat-related damage and ensuring reliable performance.
Exceptional Chemical and Corrosion Resistance: Silicon carbide bushings are highly inert and resistant to various chemicals and corrosive substances, including acids, alkalis, and harsh environments. This makes them suitable for use in chemically aggressive settings, such as chemical processing, oil and gas, and wastewater treatment industries.
High-Temperature Stability: Operating reliably in high-temperature environments is a crucial requirement for many applications. Silicon carbide bushings excel in this aspect, maintaining their mechanical integrity and dimensional stability even at extreme temperatures, surpassing the capabilities of traditional bearing materials.
Mechanical Engineering and Manufacturing: Silicon carbide bushings find extensive usage in mechanical engineering applications that demand high wear resistance, such as pumps, bearings, seals, and valves. They are also employed in precision machining, cutting, and grinding tools due to their exceptional hardness and thermal properties.
Automotive and Aerospace: The automotive and aerospace industries utilize silicon carbide bushings in critical components subjected to high mechanical stress, thermal cycling, and exposure to aggressive fluids. These bushings enhance the durability and performance of engine parts, turbine blades, actuation systems, and fuel pumps.
Chemical Processing and Petrochemicals: Silicon carbide bushings provide a reliable solution for handling corrosive chemicals and abrasive slurries in corrosion-resistant pumps, mixers, and turbines used in chemical processing plants and petrochemical refineries. Their high wear resistance and chemical inertness ensure extended service life and reduced downtime.
Renewable Energy: The renewable energy sector, particularly wind power generation, benefits from silicon carbide bushings. These bushings enable the reliable and efficient operation of wind turbine generator systems, where extreme conditions such as high rotational speeds, vibrations, and variable temperatures are encountered.
Silicon carbide bushings stand out as a superior choice for applications requiring exceptional hardness, wear resistance, thermal conductivity, and resistance to corrosion and high temperatures. They find utility in diverse industries, including mechanical engineering, automotive, aerospace, chemical processing, and renewable energy. By providing an extended operational lifespan, improved efficiency, and reliable performance, silicon carbide bushings deliver exceptional value and remain an indispensable solution for demanding applications.
CORESIC® SiC is a polycrystalline alpha type silicon carb ide produced by pressureless sintering process of submicron silicon carbide powder in a proper forming process of extrusion, dry pressing or isostatic pressing. The controlled sintering process results in self-bonded fine grain, homogeneous micro-structure sic products which is more than 95% dense, with no traces of free silicon.
• Temperature stability: The mechanical properties such as bending strength, modulus of elasticity, toughness of CORESIC® SiC hardly change with temperature, from close to absolute zero up to 1700°C, that is not suitable for
other materials.
• Extremely universal high corrosion resistance in acidic, alkali, basic media and oxidants -even at high temperatures.
• 100-999mg/cm2yr Notrecommended for service greater than a month
• 50-99mg/cm2yr Not recommended for service greater than one year
• 10-49mg/cm2yr Caution recommended, based on the specific application
• 0.3 to 9.9mg/cm2yr Recommended for long term service
• ‹0.2 mg/cm2yr Recommended for long term service:no corrosion
• CORESIC® SP SiC can be used to produce plates, blocks, headers, tubesheet and other complex shapes by isostatic forming process.
• By using advanced high temperature ceramic welding technology, manufacturing high-value and complex SiC components and modules has been reality.
• Single plate size up to 600*300mm, and the groove width minimum to 0.5mm.
• Single block diameter up to DN500mm.
• Tubesheet size up to diameter 500mm.
CORESICe SE tubes,formed by extrusion process, length can up to 4000mm, used as heat exchanger and microreactor tubes. Upto now, several standard dimensions of tubes have been suppied to markets, more customized dimensions can be also developedaccording to customer requirements.