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Si3N4 Ceramic Substrate

Si3N4 Ceramic Substrate

Product name:Si3N4 Ceramic Substrate

Item:Si3N4

Details:

Si3N4 ceramic substrate
 
Molecular formula: Si3N4
Relative molecular weight: 140.28
Color: gray, gray black
Crystal system: hexagonal crystal system. The crystal forms a hexahedron
Preparation method of ceramic sheets: hot pressing method
Relative density: 99.5%
Density: 3.2+/-0.02 g/cm3
Mohs hardness: 9~9.5
Melting point: 1900 ℃ (under pressure). Usually decomposes at 1900 ℃ under normal pressure
Thermal expansion coefficient: 2.8~3.2 × 10-6/℃ (20~1000 ℃)
Specific heat capacity: 0.71J/(g · K)
Thermal conductivity: 15~20W/(m · K)
Elastic modulus: 300~320 GPa
Fracture toughness: 6.0~7.0 MPa M

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