High hardness hot pressing silicon nitride Si3N4 ceramic insulating ring

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Product Overview

Description





Silicon nitride has excellent thermal shock resistance, high mechanical strength at high temperatures, and good wear resistance. It is widely used in various industrial equipment.


Material
Si3N4/silicon nitride
Features
1. Thermal shock resistance
2. High temperature mechanical strength
3. Wear resistance
4. Corrosion resistance
5. Electrical insulation
6. High toughness
Usage
1. Forming die parts (hot forging die, various forming)
2. Casting parts (low pressure casting, various metal melting furnace equipment)
3. Die casting machine parts (plunger, sleeve)
4. Welding machine (positioning pin for resistance welding, guide roller for steel pipe welding)
5. Parts of the powder squeezing machine (classifier, air squeezing machine, sand mill)
6. Wear-resistant parts (wire drawing machine guide roller, motor shaft, bearing, fishing tackle guide cup, traction winch)
7.Semiconductor manufacturing equipment parts (platform parts, linear motors)


Performance Index Of Si3N4 Ceramics


Type
Condition
Performance
Main 
Components
Normal Temperature
Si3N4≥95%
Bulk Density
g/cm3
Normal Temperature
3.22
Elastic Modulus
Gpa
Normal Temperature
350
Vickers Hardness
HV
Normal Temperature
1870
Bending Strength
Mpa
Normal Temperature
780
Fracture Toughness 
MPa·m1/2
Normal Temperature
7.2
Thermal Expansion Coefficient
10-6/K
20-1000℃
3.2
Thermal Conductivity
W/(㎡·K)
20-1000℃
25




























0.0162 s.