Dayoo Advanced Ceramic Co.,Ltd
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Thermal Shock Resistance | High |
| Electrical Insulation | Excellent |
| Wear Resistance | Excellent |
| Corrosion Resistance | High |
| Size | Various sizes available |
| Material | Ceramic |
| Shape | Cylindrical |
| Temperature Resistance | Up to 1600°C |
| Density | Low |
| Hardness | High |
| Chemical Stability | Good |
| Durability | Long-lasting |
| Type | Nozzle |
| Surface Finish | Smooth |
| Precision | High |
| Place of Origin | Made In China |
| Brand Name | Dayoo |
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Product Specification
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Thermal Shock Resistance | High | Electrical Insulation | Excellent |
| Wear Resistance | Excellent | Corrosion Resistance | High |
| Size | Various sizes available | Material | Ceramic |
| Shape | Cylindrical | Temperature Resistance | Up to 1600°C |
| Density | Low | Hardness | High |
| Chemical Stability | Good | Durability | Long-lasting |
| Type | Nozzle | Surface Finish | Smooth |
| Precision | High | Place of Origin | Made In China |
| Brand Name | Dayoo | ||
| High Light | silicon nitride machining si3n4 ，high thermal conductivity silicon nitride machining ，high thermal conductivity si3n4 | ||
High-Purity Ceramic Nozzles For High-End Industrial Applications Near-Full Density Ultra-High Strength And Extended Service Life
This product is manufactured using 99.5% high-purity silicon nitride (Si₃N₄) powder through 200MPa isostatic pressing and 1800°C gas pressure sintering (GPS) processes. The manufacturing technology ensures an ultra-dense microstructure with porosity <0.5%, making it an ideal choice for high-end industrial applications.
Aviation industry: Fuel injection systems for aircraft engines
Energy equipment: Combustion chamber nozzles for gas turbines
Automotive manufacturing: High-pressure common rail injection systems
Industrial spraying: HVOF (High-Velocity Oxygen Fuel) spraying
3D printing: Metal powder atomization systems
✓ Ultimate density: Near-full density achieved (relative density ≥99.5%)
✓ Ultra-high strength: Flexural strength ≥700MPa
✓ Exceptional temperature resistance: Continuous use at 1600°C
✓ Superior thermal shock resistance: Withstands 1000°C thermal gradients
✓ Extended service life: 2-3 times longer than conventional sintering products
| Parameter | Specification |
|---|---|
| Material Purity | Si₃N₄≥99.5% |
| Forming Process | 200MPa Isostatic Pressing |
| Sintering Process | 1800°C Gas Pressure Sintering |
| Relative Density | ≥99.5% |
| Flexural Strength | ≥700MPa |
| Fracture Toughness | ≥7.5MPa·m¹/² |
| Maximum Service Temp | 1600°C |
| CTE | 3.2×10⁻⁶/°C |
Material preparation: Nano-grade Si₃N₄ powder (D50≤0.5μm) + sintering additives
Pre-forming: Cold Isostatic Pressing (CIP) 200MPa for 30min
Gas pressure sintering: 1800°C nitrogen atmosphere, 4h dwell time
Precision machining: 5-axis CNC precision grinding
Quality inspection: X-ray density testing + ultrasonic flaw detection
Performance testing: Three-point bending test + thermal shock test
⚠️ Installation: Use ceramic-specific installation tools
⚠️ Pressure limit: Operating pressure ≤80MPa
⚠️ Temperature control: Heating rate ≤5°C/min (above 1000°C)
⚠️ Media requirements: Avoid HF and molten alkali metals
Technical support: Free CFD analysis provided
Customization: Special bore sizes and angles available
After-sales response: 24-hour technical consultation
Q: Advantages of GPS vs conventional sintering?
A: 2-3% higher density, 20%+ strength improvement, 2-3x longer lifespan.
Q: Maximum machinable bore size?
A: Standard max 50mm, special process up to 80mm.
Q: Performance in reducing atmospheres?
A: Stable below 1600°C, recommended with protective atmosphere.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e... We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e...
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