1mm Silicon Nitride Ball Roller si3n4 310GPa Elastic Modulus
Silicon Nitride Ceramic Ball or Roller Of Customized Size With High Precision
Description of Silicon Nitride Ceramic Ball/Roller:
They are made of highly purified, submicron silicon nitride powder with an alpha phase of more than 92%, and are sintered by HIP (Hot Isostatic Pressure) technology. At present, our company has two production lines specializing in the production of high-precision ceramic balls, and can produce customized GPS (Gas Pressure) and HIP (Hot Isostatic Pressure) sintered silicon nitride ball. We can also produce ceramic bearing balls and calibration balls for high precision CMMs and etcs., whose accuracy level shall reach to G3, G5 and G10 or quality is equivalent to ASTM F2094 F2094M-08 grade I and II materials. Our producible size range of ceramic balls and ceramic ball valves is from 1.588mm to 60mm.
Ceramin material engineering properties
| Mechanical Properties | HIP-Si3N4 |
| Density | 3.27-3.29 g/cm3 |
| Porosity | 0% |
| Fledural Strength | 830 MPa |
| Elastic Modulus | 310 GPa |
| Poisson's Ratio | 0.27 |
| Hardness | 1580 HV5 |
| Fracture Toughness KIC | 6.1 MPa.m1/2 |
| Max. Use Temperature | 1000 ℃ |
| Thermal conductivity | 30 W/m° K |
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