SiC products

Silicon Carbide Ceramic

Silicon carbide ceramic is made of silicon carbide powder as the main raw material, after forming and sintering to obtain a stable crystalline phase structure, it has the characteristics of high temperature resistance, high hardness, good wear resistance, corrosion resistance, light weight, good thermal conductivity, good thermal shock resistance and oxidation resistance, it is widely used in mechanical engineering, semiconductor, petrochemical, electric power, environmental protection and energy saving, national defense and other industries. According to the composition and sintering process, its main types are reactive bonded sintered silicon carbide, atmospheric pressure sintered silicon carbide, silicon nitride combined with silicon carbide, recrystallized silicon carbide, etc., appropriate type can be selected according to application scenario and parameter requirements.

 

view all silicon carbide ceramic products

Silicon Carbide Ceramic By Types

As our important product, ATCERA can produce various silicon carbide ceramic subtrates, tubes, plates, and other mechnical parts. To ensure product performance, we select high purity and granularity homogenuous powder, apply the most appropriate forming method and sintering process, to form dense and uniform ceramic structure,  then advanced machining processes are used to get dimension with high accuracy and good surface finish. If you have any silicon carbide product request, or need technical support, please do not hesitate to contact us.

Advanced Ceramic By Applications

Advanced ceramics play a pivotal role in various industries, offering a unique combination of exceptional mechanical, thermal, and electrical properties. Unlike traditional ceramics, advanced ceramics are engineered to deliver superior performance in demanding applications. These materials, often based on non-metallic compounds, exhibit high hardness, wear resistance, and corrosion resistance, making them indispensable in a wide range of industrial sectors.

Properties of SiC Ceramics

Silicon carbide is a kind of widely used advanced industrial ceramic, to meet the needs of different fields, raw material composition and appropriate sintering process can be selected, and required properties are achieved. 

 

1. Corrosion Resistance

Silicon carbide material has good corrosion resistance, it does not react with various acids, alkalis, salt or other chemical agents, without the risk of failure caused by corrosion.

 

2. High Temperature Resistance

The normal use temperature of the silicon carbide ceramic can reach higher than 1100℃, available for the requirements of high temperature environment.

 

3. Good Wear Resistance

Silicon carbide material has high hardness, which is up to 16GPa, so the wear resistance is very good and service life is long.

 

4. High Strength 

Strength of silicon carbide is high, flexture strength is up to 900MPa, also the fracture toughness is high, so it can be used for application with heavy load and mechanical shock.

 

5. Good Thermal Shock Resistance

Silicon carbide has small thermal expansion, and high termal conductivity, thermal shock resistance is very good, up to 800℃.

Technical Data of Silicon Carbide Materials

 

Item Unit Index Data
Reaction-sintered SiC
(SiSiC)
Silicon Nitride Bonded With SiC
(NBSiC)
Sintered SiCn Without Pressure
(SSiC)
SiC Content % 85 80 99
Free  Silicon Content % 15 0 0
Max. Service Temp. 1380 1550 1600
Density g/cm3 3.02 2.72 3.1
Porosity % 0 12 0
Bending Strength 20℃ Mpa 250 160 380
1200℃ Mpa 280 180 400
Modulus of Elasticity 20℃ Gpa 330 220 420
1200℃ Gpa 300 / /
Thermal Conductivity 1200℃ W/m.k 45 15 74
Coefficient of Thermal Expansion K-1×10-6 4.5 5 4.1
Vickers Hardness HV kg/mm2 2500 2500 2800

 

*This chart illustrates the standard characteristics of the silicon carbide materials commonly employed in the manufacturing of our SiC products and parts. Please be aware that the attributes of customized silicon carbide products and parts may vary depending on the specific processes involved.

Main Applications of Silicon Carbide Ceramics

1. Mechanical Engineering Industry

Silicon carbide can be made into a variety of mechanical parts and tools, including bearing, shaft, insulation ring, gasket, cutting tool, drill bit, etc, which is widely used in harsh environment like heavy load, high temperature, high humidity, and corrosive environment, also the advantage of long life time is very attractive to users.

 

2. Semiconductor Industry

Silicon nitride ceramic substrate is a new generation of semiconductor substrate materials,  it is widely used in semiconductors and integrated circuits, including power components, inverters, power modules, multi-device integrated circuits, etc.

 

3. High Temperature Refractory Industry

Silicon carbide ceramic can be used to produce heating element, thermocouple protection tube, heat exchanger tube, etc.

Support

According to your application scenario, analyze the needs, choose the appropriate material and processing plan.

 

 Professional team, quick response, can provide solutions and quotations within 24 hours after confirming the demand.

 

 Flexible business cooperation mechanism, support at least one piece of quantity customization.

 

 Quickly provide samples and test reports to confirm that the product meets your needs.

 

Provide product use and maintenance suggestions to reduce your cost of use.

FAQ

Although our primary focus is on advanced ceramic materials such as alumina, zirconia, silicon carbide, silicon nitride, aluminum nitride, and quartz ceramics, we are always exploring new materials and technologies. If you have a specific material requirement, please contact us, and we will do our best to fulfill your needs or find suitable partners.

Absolutely. Our technical team possesses profound knowledge of ceramic materials and extensive experience in product design. We are happy to provide you with material selection advice and product design support to ensure optimal performance for your products.

We do not have a fixed minimum order value requirement. We always focus on meeting our customers' needs, and we strive to provide quality service and products regardless of the order size.

In addition to ceramic products, we also provide a range of additional services, including but not limited to: customized ceramic processing services based on your needs, using blanks or semi-finished blanks produced by yourself; if you are interested in outsourced ceramic packaging and metallization services, please contact us for further discussion. We are always committed to providing you with a one-stop solution to meet your various needs.

Yes, we do. No matter where you are located globally, we can ensure the safe and timely delivery of your order.

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