Silicon Carbide Structural Ceramics

Silicon Carbide Structural Ceramics

Structural ceramics-Silicon Nitride
Structure Ceramics-Si3N4
Structural ceramics is also named engineering ceramics and fine ceramics with excellent wear and corrosion resistance. Combining with electronic ceeramics and functional ceramics,they are called industrial ceramics. Widely used in ceramic valves, sand mill accessories, ceramic seals, dewatering plates, wear-resistant pipe fittings
 

Item

 Unit

 Specification
Physical Properties
 Density q/cm³ >3.2
 Physical Properties
Hardness   HRA90
Vickers Hardness(HV50) HV0.5 >1550
 Modulus of Elasticity GPa 290
Flexural Strength MPa >600
Compressive Strength MPa 2500
Fracture Toughness MPa*m1/2 >6.0
The Rmodynamic Property
Thermal Conductivity W/(m·K) 15-20
Specific heat capacity KJ/kg.K 700.0
Thermal Expansion Coefficient 10-6(℃) >3.1
Thermal Shock Resistance △T℃ 500.0
Maximum Use Temperature 1200
Electrical Characteristics
Dielectric Strength kV/mm 1
Dielectric Constant F/m  
Volumn Resistivity(20℃) Ω.cm 1.0*1012
Structural ceramics-Silicon Nitride
Structure Ceramics-Si3N4
Structural ceramics is also named engineering ceramics and fine ceramics with excellent wear and corrosion resistance. Combining with electronic ceeramics and functional ceramics,they are called industrial ceramics. Widely used in ceramic valves, sand mill accessories, ceramic seals, dewatering plates, wear-resistant pipe fittings, mining equipment and other fields.
Features
Low density
High hardness
Wear resisting
Good insulating property
High temperature strength
High temperature resistance
Excellent thermal shock resistance(1200℃)
Silicon nitride application industry: machinery, chemical industry, smelting, petroleum,semiconductor electronics,aerospace and other industries.
For more information about silicon carbide structural ceramics related products, please visit zjwelahead.com
 

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