Type: | Ceramic Parts | Application: | Industrial Ceramic, Industrial Equipment |
---|---|---|---|
Material: | Alumina Ceramic, Engineering Ceramics | Processing Service: | Custom Processing |
Product Name: | Precision Ceramic Parts | Size: | Customized Size |
Drawing Format: | 2D/(PDF/CAD)3D(IGES/STEP) | Quality Control: | 100% Inspection |
Port: | Shenzhen Or Hong Kong | ||
High Light: | aluminum oxide ceramic beads bpt,Machining Aluminum Oxide Ceramic Balls 3.93g Cm3,al2o3 ceramic substrate properties bpt |
Alumina ceramic performance table
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Property
|
Item
|
Data
|
Unit
|
||
99.8% | 99% | 95% | |||
Mechanical Characteristics
|
color | Ivory | light yellow | White | - |
density | 3.93 | 3.85 | 3.7 | g/cm3 | |
Bending Strength | 370 | 310 | 300 | MPa | |
Compressive trength | 2,500 | 2,400 | 2,300 | MPa | |
Elastic Modulus | 390 | 340 | 320 | GPa | |
Fracture Toughness | 4 | 3~4 | 3~4 |
MPa m^1/2
|
|
Weber Coefficient | 12 | 12 | 12 | m | |
Vickers Hardness | 1,850 | 1,600 | 1,400 | HV 0.5 | |
Thermal Characterics
|
Coefficient of Line Thermal
Expansion
|
7~8 | 7~8 | 7~8 |
10^-6 K^-1
|
Thermal Conductivity
|
32 | 29 | 20 |
W/mK
|
|
Thermal Shock Resistance
(Put in Water)
|
280 | 200 | 250 | ΔT °C | |
Max Working Temperature
|
1,700 | 1,600 | 1,500 | °C | |
Electrical Characteristics
|
Volume Resistance at 20°C
|
>10^14 | >10^14 | >10^14 | Ωcm |
Dielectric Strength
|
15×10^6
|
15×10^6
|
15×10^6
|
V/m
|
|
Dielectric Constant | 10 | 10 | 10 | εr | |
One MHZ Dielectric Loss Angle
at 20°C
|
0.0001 |
0.0002
|
0.0004 |
tanδ
|
|
Chemical Characteristics
|
Nitric Acid (60%) 90°C
|
0.05 | 0.1 | 0.1 |
WT Loss mg/cm^2/day
|
Sulphuric Acid (95%) 95°C | 0.22 | 0.34 | 0.3 | ||
Caustic Soda (30%) 80°C
|
0.04 | 0.95 | 0.9 |