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Datos del producto:
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| Diameter Range | Typical Equipment | Position of 7-8 mm Balls |
|---|---|---|
| 0.5-2 mm | Ultra-fine stirred mills | Ideal for ultra-fine grinding |
| 2-8 mm | Stirred mills | Combines low density with high hardness |
| 7-8 mm | Stirred mills / medium-to-large grinding equipment | High impact energy and packing load |
| 8-15 mm | Tumbling ball mills | Conventional grinding media |
| Parameter | Typical Value | Remarks |
|---|---|---|
| SiC content | ≥98% - 99% | High-purity pressureless sintering |
| True density | ≥3.15 g/cm³ | PS-SiC >3.15; reaction-bonded >3.02 |
| Vickers hardness (Hv) | 2000-2500 | Far exceeds ZrO₂ and Al₂O₃ |
| Rockwell hardness (HRC) | 85-90 | Higher than most metals and ceramics |
| Compressive strength | >2500 MPa | High mechanical strength |
| Wear rate | ≤0.01‰ | Extremely low wear |
| Maximum service temperature | 1600 °C | Long-term service in oxidizing atmosphere |
| Parameter | PS-SiC | ZrO₂ | Al₂O₃ | Steel (GCr15) |
|---|---|---|---|---|
| Density (g/cm³) | 3.15 | 6.0 | 3.6-3.95 | 7.8 |
| Vickers hardness (Hv) | 2000-2500 | 1100-1300 | 1800 | ~800 |
| Max. service temperature (°C) | 1600 | 400 | 1000 | ~400 |
| Corrosion resistance | Excellent | Good | Good | Poor |
| Wear resistance | Excellent | Good | Medium | Low |
| Application Area | Specific Use | Advantages |
|---|---|---|
| Ultra-fine grinding of hard materials | Fine grinding of superhard powders (SiC, B₄C, TiC, Si₃N₄) | High grinding efficiency and product purity |
| Ceramic raw material grinding | Crushing and homogenizing alumina, mullite, quartz | Very low wear and minimal contamination |
| Paint and coating production | Dispersion of high-hardness fillers | Non-magnetic and chemically inert |
| Refractory material processing | Fine grinding of refractory raw materials | Service life exceeding 8000 hours |
| Process Step | Key Parameters | Influence on Performance |
|---|---|---|
| Raw material preparation | High-purity SiC micropowder (≤1-2 μm) | Determines sintering driving force and final density |
| Rolling forming | Dynamic rolling granulation | Determines green ball size and sphericity |
| High-temperature pressureless sintering | 1950-2150°C, inert atmosphere | Determines density, hardness, and fracture toughness |
| Rough grinding and finishing | Double-disc grinding / precision polishing | Ensures surface smoothness and high sphericity (≥0.96) |
Persona de Contacto: Ms. Yuki
Teléfono: 8615517781293