information centre / Ceramic material / Introduction of Silicon Carbide Ceramic Materials

Introduction of Silicon Carbide Ceramic Materials

Introduction

Silicon carbide (SiC) is a corrosion-resistant ceramic used in mechanical seals and pump components, maintaining strength up to 1400°C. It’s ideal for high-temperature parts in petrochemicals, aerospace, and automotive industries, driving technological advancements.

Contact Us
Live
Specifications|Support customization
Drawings of precision ceramic plates and rods
Plate material mm (L, H, and W can be selected as needed, customization supported)
L 3 5 8 10 12 15 18 20 22 25 28 More (Customizable)
W*H 100*100 90*140 95*145 150*150 160*160 122*290 110*275         More (Customizable)
Rod material mm (W, Ø can be selected as needed, customization supported)
Ø 0.5 0.8 0.9 1 1.5 2 2.5 3 3.5 4 4.5 More (Customizable)
W 60 100 120 200               More (Customizable)
Features

Silicon carbide (SiC) is a high-performance ceramic material known for its excellent high-temperature stability, conductivity, and corrosion resistance.

1. Outstanding Strength at High Temperatures

Silicon carbide maintains its strength even at extremely high temperatures, making it an ideal choice for many high-temperature applications.

  • High-Temperature Industrial Applications: Silicon carbide is widely used in high-temperature industrial fields such as furnaces, heat treatment equipment, and high-temperature reactors. Its high temperature strength and stability allow it to maintain structural integrity at temperatures up to 1400°C and even higher, enduring extreme thermal stresses and pressures.

2. Excellent Thermal and Electrical Semiconductor Performance

Silicon carbide exhibits extremely high thermal conductivity and electrical semiconductor performance, making it widely applicable in the electronics industry and high-power appliances.

  • Thermal Conductivity: Silicon carbide is an excellent thermal conductor, surpassing the conductivity of many metals. This makes it very useful in applications requiring efficient heat dissipation, such as heat sinks for electronic devices and electronic packaging materials.
  • Electrical Semiconductor Performance: Silicon carbide has semiconductor properties with high electron mobility and low resistivity, performing exceptionally well in power electronic devices. For instance, silicon carbide power devices exhibit lower losses and higher efficiency in high-temperature and high-frequency environments.

3. High Hardness and Corrosion Resistance

Silicon carbide possesses outstanding chemical and physical stability, demonstrating high hardness and corrosion resistance.

  • High Hardness: Silicon carbide has hardness close to that of diamond, providing excellent wear resistance and scratch resistance. This makes it highly useful in manufacturing wear-resistant components and cutting tools.
  • Corrosion Resistance: Due to its chemical stability, silicon carbide exhibits good corrosion resistance to many chemicals, allowing for long-term stability in chemical processing and liquid handling equipment.

The versatility and exceptional performance of silicon carbide make it widely applicable across multiple industries, including high-temperature industrial applications, electronic devices, mechanical engineering, and chemical industries. Its high temperature stability, thermal conductivity, semiconductor properties, as well as high hardness and corrosion resistance, position it as a crucial engineering material driving technological advancements and innovations in various fields.

Primary characteristics
Type Unit Silicon Carbide
Material \ SiC
Colour \ Black
Density g/cm3 3.1
Mechanical properties
Type Unit Silicon Carbide
Material \ SiC
Colour \ Black
Flexural Strength(20℃) Mpa 400
Compressive Strength(20℃) Mpa 2600
Modulus of Elastic(young)(20℃) Gpa 410
Tracture Toughness(20℃) MPam½ 4
Poi sion’s Ratio(20℃) \ 0.16
Vickers Hardness(HV1) Gpa(kg/mm2) 2100
Rockwell Hardness(45N) R45N 88
Thermal properties
Type Unit Silicon Carbide
Material \ SiC
Colour \ Black
Thermal Expansion Coefficient 10-6K-1 4
Thermal Conductivity W/mk 100
Thermal Shock Resistance △T.℃ 400
Specific Heat Capacity J/g·k 0.67
Max working Temperature(In Oxidizing) 1600
Electrical properties
Type Unit Silicon Carbide
Material \ SiC
Colour \ Black
Vol une Resistivity at 20℃ Ωcm 105
*Values ​​are typical material properties, actual values ​​may vary due to product configuration and manufacturing process.
*For more details, please feel free to contact our company.
Other
Precision ceramic products

Silicon Carbide Ceramic Sheet

Material:Silicon Carbide Ceramics

Describe:Custom Silicon Carbide (SiC) Ceramic Sheet offer high mechanical strength and durability in industrial applications, with a split design for easy installation and removal.

ceramic step shaft

Custom zirconia ceramic shaft cores

Material:Zirconia Ceramics

Describe:Custom zirconia (ZrO2) ceramic shaft cores, also known as ceramic step shafts, locating pins, or plungers. Featuring a multi-step design for precise positioning and securing in machinery, ideal for applications requiring accurate motion control like precision instruments, medical devices, or high-precision electronics.

zirconia ceramic column

Zirconia ceramic shafts

Material:Zirconia Ceramics

Describe:Zirconia ceramic shafts, also known as zirconia ceramic rods, offer high wear and corrosion resistance in environments like chemical processing, precision machinery, electronics, and medical devices. Used in moving parts such as pumps and valves, their smooth surface reduces friction, enhancing equipment efficiency and lifespan.

Zirconia ceramic heat insulation tube - side view of high-temperature industrial ceramics

Zirconia ceramic thermal insulation tube

Material:Zirconia Ceramics

Describe:Zirconia thermal insulation tube (also known as ceramic rollers or multi-groove ceramic tubes) is an important high-temperature material with excellent heat resistance and chemical stability, widely used in high-temperature industries such as metallurgy, glass, and ceramics.

99 Alumina Ceramic Slotted Disc

Material:Alumina ceramics

Describe:99 Alumina Ceramic Slotted Disc, also known as porous retaining rings, feature precise designs with drilled holes for secure connection. Their high hardness and strength ensure stability and durability under pressure, ideal for long-lasting equipment performance.

Macor Machinable Ceramic Bush

Material:Macor Ceramic

Describe:Machinable ceramic Bush are a type of advanced ceramic material with excellent machining properties. They can be cut, drilled, milled, etc. on conventional machining equipment (such as CNC, lathes, and drilling machines) without the need for special diamond tools. They are widely used in precision electronics, semiconductors, medical and high-temperature insulation fields.