M4 M5 M6 M7 M8 M10 M12 M14 Customized Silicon Nitride Ceramic Welding Guide Pin
1 . Description
Silicon Nitride (Si3N4) has good high temperature strength, creep resistance and oxidation resistance.In addition, its low thermal expansion coefficient gives excellent thermal shock resistance compared with most ceramic materials.
2 . Silicon Nitride Ceramic Properties
Silicon Nitride Ceramic Properties Color: Gray and Gray-black
Density: 3.2~3.25 g/cm3
Hardness: HRA 92~94
Highest Operating Temperature: 1300 ~1600 ℃
Thermal Conductivity: 23-25 W.(M.K)-1
Bending Strength: ≥ 900 Mpa
Fracture Toughness: 6~8 (Mpa.m1/2)
Thermal Expansion Coefficient (at 0~1400℃): 2.95~3 ×10-6/℃
3 . Manufacturing technique:
Uni-axial pressing
Iso-static pressing
Extrusion
Slip casting
