Description
High-purity alumina ceramic balls for high-precision industries
Shandong EROAD has the complete mature ceramic ball production technology and the whole ceramic balls production line. The products have stable performance and good consistency. We can provide various sizes ceramic balls according to customer’s requirement.
Production Capacity：
*Fine ceramics standard: ISO 26602-2017，ASTM F2094 F2094M-2018a
*Range：1mm-120mm.
*Grade：G10-G1000
Applications:
*High speed bearing, high precision bearing, vacuum bearing, high/low temperature bearing, nonmagnetic bearing high precision ball screws for high technology industry. Aerospace and national defense industry.
*Chemistry, metallurgy, medical treatment, food industry, oilfield, electronic engineering industry.
Parameter
|
Material |
Properties |
|
|
AI203 |
Density (g/cm³） |
3.92 |
|
Coefficient of
water absorption% |
0 |
|
|
Elastic modulus （Gpa） |
340 |
|
|
Coefficient of
thermal expansion,X10-6/℃ |
8.5 |
|
|
Average Vickers
hardness /Gpa |
16.5 |
|
|
Averag
indentation fracture resistance(Mpa*m1/2） |
4.2 |
|
|
Poisson's ratio |
0.22 |
|
|
Thermal
conductivity W/（m·K) |
26 |
|
|
Resistivity Ωmm2/m |
>1016 |
|
|
Maximum use
temperature (no load) ℃ |
1750 |
|
|
| ||
