Advanced Technical Ceramics, Precision Alumina, Silicon Carbide, Crucible Parts

Silicon Nitride Grinding Ball Si₃N₄ Ceramic Grinding Media
PRODUCT PARAMETERS
- High density of 3.22 g/cm³ for stable grinding performance
- High Vickers hardness of 18-20 GPa with excellent wear resistance
- Superior mechanical strength and impact resistance
- Excellent chemical stability and corrosion resistance
- Suitable for precision polishing and surface treatment applications
Description
Silicon Nitride Grinding Ball is a high-performance ceramic grinding medium manufactured from advanced silicon nitride (Si₃N₄) material. It features high density, excellent hardness, outstanding wear resistance, and superior mechanical stability, making it suitable for precision grinding and surface processing applications. With a density of 3.22 g/cm³ and Vickers hardness of 18-20 GPa, the Si₃N₄ ceramic grinding ball provides excellent grinding efficiency and long service life. It is widely used for wafer surface polishing, semiconductor processing, and precision machining of optical components.

Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Silicon Nitride Grinding Ball |
| Material | Silicon Nitride (Si₃N₄) |
| Density | 3.22 g/cm³ |
| Vickers Hardness | 18-20 GPa |
| Flexural Strength | 600-1000 MPa |
| Compressive Strength | ≥2500 MPa |
| Elastic Modulus | 290 GPa |
| Thermal Expansion Coefficient | 3.1 × 10⁻⁶/℃ |
| Thermal Conductivity | 15-20 W/(m·K) |
| Maximum Operating Temperature | 1200℃ |
| Surface Finish | Precision polished surface available |
| Customization | Available in different sizes and specifications |

Product Advantages
1. Excellent Wear Resistance
Silicon Nitride Grinding Balls have high hardness of 18-20 GPa, providing excellent resistance to abrasion during grinding operations. The low wear rate helps maintain consistent grinding performance over long periods. This reduces contamination caused by grinding media wear and improves processing quality.
2. High Grinding Efficiency
The high density and excellent mechanical strength of Si₃N₄ ceramic grinding balls provide strong impact force during grinding processes. They can achieve efficient material processing while maintaining stable operation. This makes them suitable for precision grinding applications requiring high accuracy.
3. Superior Mechanical Stability
Silicon Nitride Grinding Balls have excellent toughness and impact resistance compared with many traditional ceramic grinding media. They can withstand repeated mechanical collisions during operation. This improves durability and reduces breakage during high-speed grinding.
4. Excellent Chemical Resistance
Si₃N₄ ceramic material has strong resistance to oxidation and chemical corrosion. The grinding balls maintain stable performance when exposed to different processing environments. This helps ensure clean and reliable grinding results.
5. Precision Surface Processing Capability
The ceramic grinding balls provide excellent dimensional accuracy and surface quality. They are suitable for fine grinding and polishing processes requiring precise control. This makes them ideal for semiconductor and optical component processing.
6. Long Service Life and Low Maintenance
Silicon Nitride Grinding Balls maintain stable physical properties during continuous operation. Their high hardness and wear resistance extend replacement cycles. This helps reduce operating costs and improve production efficiency.

Typical Applications
1. Wafer Surface Grinding and Polishing
Silicon Nitride Grinding Balls are used in wafer processing for semiconductor surface treatment and polishing. Their high hardness and low wear characteristics help achieve smooth and precise surface finishes. They are suitable for advanced manufacturing processes requiring high cleanliness and accuracy.
2. Optical Component Processing
Si₃N₄ ceramic grinding balls are applied in the processing of optical components such as precision lenses and optical parts. They provide stable grinding performance and accurate surface control. This helps improve the quality and consistency of optical products.
3. Semiconductor Material Processing
The grinding balls are used for precision processing of semiconductor-related materials. Their excellent wear resistance reduces particle contamination during operation. They help maintain stable processing conditions for high-precision applications.
4. Precision Ceramic Grinding
Silicon Nitride Grinding Balls are suitable for grinding advanced ceramic materials and hard materials. Their high hardness enables efficient processing of difficult-to-machine materials. They provide reliable performance in precision manufacturing environments.
5. Fine Powder Preparation
Si₃N₄ ceramic grinding media can be used in fine powder production and material mixing processes. Their chemical stability helps maintain material purity during grinding. They are suitable for applications requiring low contamination and high-quality output.

Company Profile
Luoyang JianXun Tech Co., Ltd. specializes in the research, development, production, and supply of advanced ceramic materials and high-performance industrial components. The company provides silicon nitride ceramics, aluminum nitride ceramics, boron nitride products, alumina ceramics, and customized ceramic parts for global industrial applications. With professional manufacturing technology and strict quality control, JianXun delivers reliable ceramic solutions featuring high temperature resistance, wear resistance, corrosion resistance, and precision machining capability.
Payment Terms: T/T, PayPal, Credit Card, Western Union, etc.
Shipment Terms: By air, by sea, by express, or according to customer request.
Storage Conditions: Store Silicon Nitride Grinding Balls in a dry, clean, and dust-free environment. Keep the products in sealed packaging to prevent moisture, contamination, and surface damage before use.
FAQ about Silicon Nitride Grinding Ball
Q1: What is Silicon Nitride Grinding Ball used for?
Silicon Nitride Grinding Ball is mainly used for wafer grinding, semiconductor surface treatment, optical component processing, and precision material grinding. It provides high-efficiency and stable grinding performance.
Q2: Why is silicon nitride suitable as grinding media?
Silicon nitride has high hardness, excellent wear resistance, strong mechanical strength, and good chemical stability. These properties allow grinding balls to maintain long service life and stable performance during precision processing.
Q3: What is the hardness of Silicon Nitride Grinding Ball?
The Vickers hardness of Silicon Nitride Grinding Ball is 18-20 GPa, providing excellent resistance to abrasion and mechanical wear during grinding operations.
Q4: Can Silicon Nitride Grinding Balls be customized?
Yes, JianXun can provide customized silicon nitride grinding balls with different diameters, surface finishes, and specifications according to customer processing requirements.
Q5: What are the advantages of silicon nitride grinding balls compared with traditional grinding media?
Silicon nitride grinding balls offer higher hardness, better wear resistance, lower contamination risk, and longer service life compared with many traditional grinding materials.
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