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