High-Temperature & Wear Resistant Silicon Nitride Structural Components with Excellent Oxidation Resistance and High Hardness & Toughness for Sand Mills
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Product Description
Silicon Nitride Structural Components for Sand Mills
Product Overview
Silicon Nitride Structural Components are engineered specifically for sand mills and grinding equipment, serving as high-wear parts including liners and stirring discs. These components deliver exceptional wear resistance, corrosion resistance, and oxidation resistance while maintaining long-term stability under high-speed operation and particle impact conditions, significantly extending equipment service life and enhancing production efficiency.
Key Features
| High-Temperature & Wear Resistance | Adapts to high-speed operation and particle impact with minimal wear rate and extended service life |
|---|---|
| Excellent Oxidation Resistance | Resists metal infiltration and corrosion, suitable for diverse media environments |
| High Hardness & Toughness | Vickers hardness of 15-16GPa with superior impact resistance to minimize fracture risk |
| Strong Chemical Stability | Resists acid and alkali corrosion while maintaining stable performance in humid or corrosive conditions |
Typical Applications
- Sand mill liners
- Stirring discs and dispersion discs
- High-wear grinding media accessories
Performance Specifications
| Test Item | Value Range | Unit |
|---|---|---|
| Density | 3.20 - 3.26 | g/cm³ |
| Apparent Porosity | 0 - 0.1 | % |
| Elastic Modulus | 300 - 320 | GPa |
| Compressive Strength | >1500 | MPa |
| Vickers Hardness (HVO.5) | 15 - 16 | GPa |
| Fracture Toughness | >8.0 | - |
| Flexural Strength | >700 | MPa |
| Poisson's Ratio | 0.25 | - |
| Coefficient of Thermal Expansion | 3.1 - 3.3 | ×10⁻⁶ /℃ |
| Weibull Modulus | 11 - 13 | - |
| Thermal Conductivity | 20 - 25 | W/(m*k) |
| Specific Resistivity | 10¹¹ | Ω*cm |
Key Highlights
- Extremely Dense Structure: Apparent porosity approaches 0%, providing exceptional penetration resistance
- Ultra-High Hardness: Vickers hardness reaches 15-16GPa with outstanding wear resistance
- Excellent Chemical Stability: Resists acids, alkalis, and oxidation while adapting to complex media environments
- High Toughness & Impact Resistance: Fracture toughness >8.0, suitable for high-impact conditions
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Company
Shaanxi KeGu New Material Technology Co., Ltd
Location
5# Chaoyang Road,Weicheng Sub-district，Qinhan New City, Xixian New Area, Xi'an Shaanxi Province,China,712039
Contact Person
Yuki