Product Details
Place of Origin: Made In China
Brand Name: Dayoo
Payment & Shipping Terms
Minimum Order Quantity: Negotiable
Price: Negotiable
Delivery Time: Negotiable
Payment Terms: Negotiable
Features: |
Wear-resistant/insulation |
Tolerance: |
High Fracture Toughness |
Low Thermal Expansion: |
Yes |
Thermal Expansion: |
3.4*10(4) ℃ |
Roughness: |
0.1um |
Specification: |
Customized |
Insulation Resistance: |
1012-1014 Ω.cm |
Electrical Resistivity: |
10^14 Ω·cm |
Fracture Toughness: |
6-7(MPa•m1/2) |
Logo: |
Laser Engraving |
Application: |
Industrial Ceramic, Industrial Equipment |
Wattage Density: |
2~25W/cm2 |
Specific Heat: |
640 J/(Kg.K) |
Density: |
3.2 G/cm3 |
Temperature Resistance: |
Up To 1400°C |
Features: |
Wear-resistant/insulation |
Tolerance: |
High Fracture Toughness |
Low Thermal Expansion: |
Yes |
Thermal Expansion: |
3.4*10(4) ℃ |
Roughness: |
0.1um |
Specification: |
Customized |
Insulation Resistance: |
1012-1014 Ω.cm |
Electrical Resistivity: |
10^14 Ω·cm |
Fracture Toughness: |
6-7(MPa•m1/2) |
Logo: |
Laser Engraving |
Application: |
Industrial Ceramic, Industrial Equipment |
Wattage Density: |
2~25W/cm2 |
Specific Heat: |
640 J/(Kg.K) |
Density: |
3.2 G/cm3 |
Temperature Resistance: |
Up To 1400°C |
Silicon Nitride Ceramics Stable And Durable Components For High-Precision Equipment And Measuring Instruments
Introduction
Silicon nitride ceramic precision components are high-performance ceramic assemblies specifically designed for optical equipment, measuring instruments, and automated machinery. Manufactured from high-purity silicon nitride (Si₃N₄) material through precision manufacturing processes, they exhibit exceptional mechanical properties, excellent thermal stability, and outstanding dimensional stability. These components play crucial roles in precise positioning, reliable connection, and stable load-bearing within equipment, ensuring maintained high precision and stability during long-term use.
Applications
Widely used in positioning, connecting, and load-bearing components of high-precision equipment:
Optical Equipment: Optical platform supports, lens mounting brackets, laser positioning bases
Measuring Instruments: CMM guideway supports, precision sensor mounting seats
Automated Machinery: Industrial robot joint bearing seats, precision transmission mechanism connectors
Semiconductor Equipment: Lithography machine positioning platforms, wafer handling robot arm connectors
Precision Instruments: Astronomical telescope mounts, microscope focusing mechanisms
Advantages
Exceptional Dimensional Stability: Thermal expansion coefficient only 3.2×10⁻⁶/℃, ensuring long-term usage precision
Excellent Mechanical Properties: Flexural strength ≥800MPa, hardness ≥1650HV
Outstanding Thermal Stability: Maintains stable performance within -60℃ to 1200℃ temperature range
Low Density and High Stiffness: Density 3.2g/cm³, 60% lighter than steel with high rigidity
Superior Corrosion Resistance: Resistant to acids and alkalis, suitable for various working environments
Specifications Table
Parameter | Technical Indicators |
---|---|
Material Composition | Si₃N₄ ≥ 96% |
Bulk Density | 3.2-3.3 g/cm³ |
Flexural Strength | ≥ 800 MPa |
Vickers Hardness | 1650-1800 HV |
Coefficient of Thermal Expansion | 3.2×10⁻⁶/℃ |
Operating Temperature | -60℃ to 1200℃ |
Surface Roughness | Ra ≤ 0.05 μm |
Dimensional Tolerance | ±0.005 mm |
Manufacturing Process
Raw material selection → Formula optimization → Ball milling and mixing → Spray granulation → Dry pressing → Cold isostatic pressing → Gas pressure sintering → Precision machining → Ultra-precision grinding → Laser inspection → Cleaning and packaging → Quality inspection
Usage Instructions
Clean all contact surfaces before installation to ensure dust-free and oil-free conditions
Use special installation tools and tighten to specified torque requirements
Avoid local stress concentration, distribute loads evenly
Regularly check installation status, recommend inspection every 6 months
Operate in clean environments to avoid contamination and damage
After-Sales Service
36-month quality assurance period, lifetime technical support. Technical consultation and on-site guidance available, customized solutions provided. Customer files established, regular maintenance recommendations offered. 24-hour technical response, 48-hour emergency handling.
FAQ
Q1: What are the advantages compared to metal components?
A1: Higher stiffness-to-weight ratio, better thermal stability, superior dimensional stability, and non-magnetic and corrosion-resistant properties.
Q2: Do you support complex structure customization?
A2: Support complete customized production, can provide solutions for various complex structures and special requirements.
Q3: How to ensure installation accuracy?
A3: Recommend using special installation fixtures, strictly follow installation instructions, and provide on-site installation guidance when necessary.