High hardness and wear resistance, both impingement and frictional modes
Superior thermal shock resistance
Low thermal expansion
Electrical insulator
Good oxidation resistance
Good chemical corrosion resistance
Wear resistant
High stiffness
Place of Origin: | Jiangsu,China |
Brand Name: | BLM |
Certification: | ISO |
Model Number: | BLM-S |
Minimum Order Quantity: | 100kgs |
---|---|
Price: | Negtation |
Packaging Details: | Packing with wooden box |
Delivery Time: | 25days |
Payment Terms: | T/T |
Supply Ability: | 5 tons per month |
Place Of Origin: | Jiangsu,China | Application: | Industrial Ceramic |
---|---|---|---|
Material: | Silicon Nitride Ceramic | Product Name: | Ceramic Dowel Pin |
Color: | Dark Grey To Black | Feature: | High Hardness |
Advantage: | Insulation Etc. | Thermal Shock Resistance: | 750 |
Dielectric Loss: | 3.8*10-4HMZ | Elastic Modulus: | 320 |
High Light: | Silicon Nitride Ceramic Welding Pin,Welding Nut Dowel Pin,Si3N4 Dowel Pin |
Ceramic Nitride Silicone Si3N4 Pin For Welding Nut
1 . Description:
Silicon nitride ceramics have good tribological properties and excellent fracture toughness, which makes it be predestined for applications as balls and rolling elements for light and extremely precise bearings, heavy-duty ceramic forming tools and automotive components subject to high stress. And the good thermal shock resistance and high temperature resistance is exploited in welding processes.
2 . Advantages of silicon nitride ceramic dowel pin
High hardness and wear resistance, both impingement and frictional modes
Superior thermal shock resistance
Low thermal expansion
Electrical insulator
Good oxidation resistance
Good chemical corrosion resistance
Wear resistant
High stiffness
3 . Applications of silicon nitride ceramic
✔ Welding pins, jigs, fixtures and nozzles
✔ Turbine blades
✔ Bearing balls and rollers
✔ Cutting tools
✔ Valves, turbocharger rotors for engines
✔ Diesel engine glow plugs
✔ Molten metal handling
✔ Thermocouple sheaths
Properties of silicon nitride ceramic
Properties
|
Condition
|
Units
|
Silicon Nitride(Si3N4)
|
Density
|
|
g/cm^3
|
3.21
|
Flexural Strength (MOR)
|
20 ℃
|
Mpa
|
800
|
Elastic(Young's) Modulus
|
20℃
|
GPa (psi x 10^6)
|
320
|
Compressive Strength
|
20℃
|
MPa (psi x 10^3)
|
3000
|
Hardness(Vickers)
|
|
GPa
|
16
|
Fracture Toughness
|
K(I c)
|
Mpa m^1/2
|
6.5
|
Thermal Conductivity
|
20℃
|
W/m °K
|
28
|
Coefficient of Thermal Expansion
|
25-1000 ℃
|
1X 10^-6 /℃
|
3.5
|
Specific Heat
|
100 ℃
|
J/kg*K
|
740
|
Dielectric Strength
|
6.35mm
|
ac-kV/mm (ac V/mil)
|
8.6
|
Dielectric Constant
|
25 ℃
|
1 MHz
|
8.15
|
Volume Resistivity
|
25 ℃
|
ohm-cm
|
10^14
|
Contact Person: Miranda
Tel: +8615250395817
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