Silicon Carbide

Description

Silicon carbide ceramics are characterised by high strength, high hardness, light weight and low coefficient of thermal expansion. Products made from silicon carbide are resistant to high temperatures, wear and corrosion.

Features

High Strength
High hardness
Thermal shock stability
Light weight
Antioxidant
Low coefficient of thermal expansion
Wear-resistant
Corrosion resistant

Applications

Wear-resistant block
High temperature resistant block
Plungers
Seals
Engine blades
Nozzle
High Temperature Bearing
High Temperature Brackets
Other applications

GW Ceramics provides customized services

Properties

Mechanical Properties

	Colour	Density (g/cm³)	Mohs Hardness	Compressive Strength (Mpa)	Flexural Strength (Mpa)	Young’s modulus （GPa）	Fracture Toughness (MPa·m^1/2)	Poisson’s Ratio
Silicon Carbide	black	2.5-3.2	9.5	1500-2500	300-400	＞400	2-3	0.14-0.21

Thermal Properties

	Coefficient of Thermal Expansion (40-400°C) (× 10-6/℃)	Thermal Shock Resistance (℃)	Thermal Conductivity (W/m·K)	Maximum Operating Temperature (without load) (℃)
Silicon Carbide	4	350	120-350	1300

Electrical Properties

	Dielectric Constant (1MHz)	Dielectric Strength (kV/mm)	Volume Resistivity (25°C) (Ω·cm)
Silicon Carbide	6.5-10	–	10⁷-10¹⁴

*The data in the charts show the properties of the ceramic materials.
*The above figures do not represent any commitment to the customer’s product.
*Due to differences in production processes and product forms, the final property data for ceramics may vary.