| Place of Origin: | Wuxi , China |
|---|---|
| Minimum Order Quantity: | 50 Pieces |
| Delivery Time: | 7-15 work days |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 1000 Piece/Pieces per Month |
| Material: | Zirconia Ceramic, Engineering Ceramics | Application: | Structure Ceramic, Industrial Equipment |
|---|---|---|---|
| Processing Service: | Custom Processing | Certification:: | ISO9001:2015 |
| Quality Control: | 100% Inspection | Drawing Format: | 2D/(PDF/CAD)3D(IGES/STEP) |
| High Light: | Silicon Nitride Ball Bearings Si3n4 8x22x7 bpt,3/16" Inch Silicon Nitride Ball Bearings 8x22x7,si3n4 ball bearings bpt |
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Silicon nitride ceramic characteristics
|
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|
Property
|
Item
|
Data
|
Unit
|
|
Mechanical Characteristics
|
color
|
black/grey
|
|
| density |
3.2
|
g/cm3
|
|
|
Bending Strength
|
750
|
MPa
|
|
| Compressive Strength |
3800
|
MPa
|
|
| Elastic Modulus |
290
|
GPa
|
|
| Fracture Toughness |
7
|
MPa m1/2
|
|
| Weber Coefficient |
15
|
m
|
|
| Vickers Hardness |
1,700
|
HV 0.5
|
|
|
Thermal Characterics
|
Coefficient of Line Thermal Expansion
|
2
|
10-6 K-1
|
|
Thermal Conductivity
|
20
|
W/mK
|
|
|
Thermal Shock Resistance (Put in Water)
|
750
|
ΔT °C
|
|
|
Max Working Temperature(in air)
|
1,300
|
°C
|
|
|
Electrical Characteristics
|
Volume Resistance at 20°C
|
>1014
|
Ωcm
|
|
Dielectric Strength
|
10×106
|
V/m
|
|
|
Chemical Characteristics
|
Nitric Acid (60%) 90°C
|
1
|
WT Loss mg/cm2/day
|
|
Sulphuric Acid (95%) 95°C
|
≒0.00
|
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|
Caustic Soda (30%) 80°C
|
0.2
|
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