Professional Silicon Nitride Ceramic Tapered Structural Component
Professional Silicon Nitride Ceramic Tapered Structural Component
Product Overview
This product is a tapered structural component manufactured using high-performance reaction-bonded silicon nitride ceramic, featuring a gray-black appearance with a precision-polished mirror-grade surface finish. The innovative design integrates a pointed conical top with a hexagonal base, incorporating precisely engineered micro-orifices for dual functionality in fluid guidance and mechanical fixation. Silicon nitride material, renowned for its exceptional mechanical properties and corrosion resistance, is the ideal choice for demanding operating conditions.
Core Features & Advantages
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Superior Wear Resistance: Hardness up to Hv1500-1700, with wear resistance 5 times greater than cemented carbide
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Excellent Thermal Stability: Capable of continuous operation at 1400°C, withstanding thermal shock differentials up to 900°C
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Optimized Fluid Dynamics: Tapered structure ensures smooth material flow with minimal pressure loss
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Anti-Jam Design: Hexagonal base facilitates tool clamping for easier installation and maintenance
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Extended Service Life: 8-10 times longer lifespan compared to conventional materials under identical conditions
Typical Applications
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Surface Treatment: Sandblasting nozzle tips, shot peening flow guides
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Resource Exploration: Geological drilling guide heads, oil and gas metering components
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Precision Manufacturing: Wire EDM guide wheels, automated equipment positioning taper sleeves
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Special Processes: Powder metallurgy feed nozzles, chemical atomization nozzles
Technical Specifications
| Parameter | Value Range |
|---|---|
| Main Composition | Si₃N₄ ≥92% |
| Bulk Density | 3.18-3.25 g/cm³ |
| Compressive Strength | ≥2200 MPa |
| Fracture Toughness | 7.0-8.0 MPa·m¹/² |
| Porosity | ≤0.2% |
| Thermal Conductivity | 20-25 W/(m·K) |
| Micro-orifice Tolerance | ±0.005mm |
Manufacturing Process
High-purity silicon powder pretreatment → Isostatic pressing → Nitridation reaction bonding → 3-axis CNC machining → Laser micro-drilling → Ultrasonic cleaning → Non-destructive testing → Surface fine polishing → Vacuum packaging
Usage Guidelines
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Ensure complete contact between hexagonal base and fixture during installation, recommended torque ≤30N·m
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Flush internal channels with pure gas before operation to remove contaminants
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Avoid rapid temperature fluctuations (>300°C/minute)
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Regular inspection of micro-orifice wear, recommended every 500 operating hours
Service & Support
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24-month extended warranty period
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Dedicated customer equipment档案 established
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7×24 hours technical support response
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Regular maintenance reminders and equipment inspection services
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48-hour emergency replacement parts provision
FAQ
Q: What is the service life in highly corrosive environments?
A: Expected service life exceeds 3000 hours in corrosive media with pH 2-10
Q: Do you support custom micro-orifice sizes?
A: Customization available for orifice diameters 0.1-2.0mm, depths up to 50mm
Q: What is the maximum working pressure?
A: Burst pressure ≥180MPa at room temperature, recommended working pressure ≤60MPa
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.