sales@samaterials.com
(949) 407-8904
sales@samaterials.com
(949) 407-8904
| Catalog No. | SC0910 |
|---|---|
| Size | Diameter: 1~30mm |
| Material | Si3N4 Ceramic |
| Purity | 97%~99% |
| Density | 3.44g/cm3 |
Silicon Nitride Bearing Ball is ideal for bearing parts. Stanford Advanced Materials (SAM) is a leading supplier of Silicon Nitride Bearing Balls with competitive prices and great delivery time. Feel free to contact us for customized products.
Related Products: Silicon Nitride Nozzles, Nozzle Covers, Silicon Nitride Forming Rollers, Silicon Nitride Bearings Rollers, Silicon Nitride Welding Pins.
Silicon Nitride Bearing Ball is a man-made compound synthesized through several different chemical reaction methods. Parts are pressed and sintered by well-developed methods to produce a ceramic with a unique set of outstanding properties. Silicon Nitride Bearing Ball is ideal for bearing parts. Compared with steel, high-performance Silicon Nitride Bearing Balls have better mechanical properties under high temperatures and could survive from most of the corrosive chemicals.
| Si3N4 | Steel | |
| Working temperature | 800 ℃ | 180 ℃ |
| Density | 3.21g/cm3 | 7.8 g/cm3 |
| Thermal expansion coeff. | 3.4×10-6 K-1 | 12.5×10-6 K-1 |
| Hardness, HV | 1500 | About 750 |
| Young's Module | 320GPa | 208GPa |
| Corrosion resistance | Good | Poor |
| Thermal conductivity | Poor | Good |
| Magnetism | No | Yes |
| Wear resistance | Excellent | Good |
GPSN
| Property | Unit | |
| Color | Grey | |
| Mechanical Properties | ||
| Density | 3.21 | g/cm3 |
| Compressive Strength | 3000 | MPa |
| Flexural Strength | 800 | MPa |
| Weibull-Modulus m | 15 | |
| Fracture Toughness KIc | 6.5 | MPa m^1/2 |
| Young‘s Modulus E | 320 | GPa |
| Poisson Ratio | 0.28 | |
| Hardness Vickers (HV 1) | 16 | GPa |
| Thermal Properties | ||
| Maximum Temperature | ||
| Inert Gas | 1200 | °C |
| Air | 1100 | °C |
| Thermal Conductivity | 25 | |
| @ 20°C | 28 | W/mK |
| @ 1000 | 16 | W/mK |
| Thermal Expansion | ||
| 20–100°C | 2 | 10-6/K |
| 20–1000°C | 3.5 | 10-6/K |
| Thermal Shock parameter R1 | 600 | K |
| Thermal Shock parameter R2 | 15 | W/mm |
| Electrical Properties | ||
| Resistivity at 20°C | 10^12 | Ωcm |
| Resistivity at 800°C | 10^7 | Ωcm |
| Dielectric constant | 6 | 1 MHz |
Compared with steel, high-performance Silicon Nitride Bearing Balls have better mechanical properties under high temperatures and could survive from most corrosive chemicals. As the price of ceramic materials decreased, Silicon Nitride Bearing could have more applications.
SC1936 Silicon Nitride Electrical Insulator
SC1937 Silicon Nitride Forming Rollers
SC1938 Silicon Nitride Nozzles, Nozzle Covers
SC1939 Silicon Nitride Plate
SC1940 Silicon Nitride Protect Tubes for Thermocouples
SC1941 Silicon Nitride Seal Rings
SC1942 Silicon Nitride Tube
SC1943 Silicon Nitride Welding Pins
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