Carburo de silicio para cerámica
Carburo de silicio para cerámica
Silicon carbide ceramic is a high-tech ceramic, mainly made of submicron silicon carbide powder. Silicon carbide has high hardness, and silicon carbide ceramics made by mature technology have good wear resistance, high temperature resistance and corrosion resistance.
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Why SiC is Ideal for Ceramics
- Alta Dureza: Con una dureza de Mohs de 9.5, silicon carbide is nearly as hard as diamond, providing ceramics with excellent wear resistance.
- Alta conductividad térmica: SiC has exceptional thermal conductivity, haciéndolo adecuado para aplicaciones de alta temperatura.
- Baja expansión térmica: The low thermal expansion coefficient of silicon carbide ensures dimensional stability under varying temperatures.
- Resistencia a la corrosión: SiC is highly resistant to corrosion from acids, álcalis, y metales fundidos, enhancing the longevity of ceramic products.
- Resistencia a altas temperaturas: Silicon carbide can withstand extreme temperatures, making it ideal for use in furnace linings and high-temperature machinery.
Applications of Silicon Carbide Ceramics
Ceramic Bearings
SiC bearings provide excellent wear and corrosion resistance, making them ideal for use in extreme environments such as high-temperature or chemically harsh settings.
Armor Ceramics
Silicon carbide is widely used in the production of lightweight ceramic armor due to its exceptional hardness and toughness. This armor is used in military applications and personal protective equipment.
Muebles de horno
Silicon carbide kiln furniture is designed to endure high temperatures and rapid heating cycles without cracking, warping, or degrading over time.
Wear-Resistant Ceramics
Silicon carbide ceramics are often used in pumps, válvulas, y sellos, where extreme wear and chemical corrosion occur.
Intercambiadores de calor
With high thermal conductivity and corrosion resistance, SiC ceramics are used in heat exchangers, especially in chemical processing applications.
Grades of SiC for Ceramics
- Carburo de silicio negro (C)
- High hardness and thermal conductivity.
- Primarily used in abrasive and cutting tools.
- Carburo de silicio verde (CG)
- Purity of over 99%, used in fine ceramics for high-precision applications such as semiconductor manufacturing.
- Carburo de silicio unido por reacción (RBSC)
- Highly durable and often used in kiln furniture and high-stress ceramic components.
- Carburo de silicio sinterizado (SSiC)
- Known for its exceptional hardness and corrosion resistance, often used in mechanical seals and pump components.
Tipos de abrasivos de carburo de silicio
Carburo de silicio negro
El carburo de silicio negro es un producto abrasivo ampliamente utilizado, con excelente resistencia al desgaste, alta dureza, alta densidad, bajas impurezas y otras ventajas, comúnmente utilizado en la molienda de chorro de arena, pulido, molienda libre, hacer varios abrasivos, etc..
Carburo de silicio verde
El carburo de silicio verde está hecho de arena de cuarzo y coque de petróleo refinado en un horno de resistencia., debido a sus propiedades químicas relativamente estables, alta conductividad térmica, bajo coeficiente de expansión térmica, y buena resistencia al desgaste.
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