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Durable Ceramic Nozzles Offering Superior Thermal Shock Resistance and Ultra Dense Microstructure for Industrial Spraying

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起源の場所: 中国製

ブランド名: Dayoo

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Durable ceramic nozzles for industrial spraying

,

Thermal shock resistant ceramic nozzles

,

Ultra dense microstructure ceramic nozzles

熱衝撃耐性:
高い
電気断熱:
素晴らしい
耐摩耗性:
素晴らしい
耐食性:
高い
サイズ:
さまざまなサイズが利用可能です
材料:
セラミック
形:
円筒形
温度耐性:
最大1600°C
密度:
低い
硬度:
高い
化学的安定性:
良い
耐久性:
長持ちする
タイプ:
ノズル
表面仕上げ:
スムーズ
精度:
高い
熱衝撃耐性:
高い
電気断熱:
素晴らしい
耐摩耗性:
素晴らしい
耐食性:
高い
サイズ:
さまざまなサイズが利用可能です
材料:
セラミック
形:
円筒形
温度耐性:
最大1600°C
密度:
低い
硬度:
高い
化学的安定性:
良い
耐久性:
長持ちする
タイプ:
ノズル
表面仕上げ:
スムーズ
精度:
高い
Durable Ceramic Nozzles Offering Superior Thermal Shock Resistance and Ultra Dense Microstructure for Industrial Spraying
Durable Ceramic Nozzles Offering Superior Thermal Shock Resistance and Ultra Dense Microstructure for Industrial Spraying
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.
Primary 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
Key Advantages
  • 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
Technical Specifications
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
Manufacturing Process
  1. Material preparation: Nano-grade Si₃N₄ powder (D50≤0.5μm) + sintering additives
  2. Pre-forming: Cold Isostatic Pressing (CIP) 200MPa for 30min
  3. Gas pressure sintering: 1800°C nitrogen atmosphere, 4h dwell time
  4. Precision machining: 5-axis CNC precision grinding
  5. Quality inspection: X-ray density testing + ultrasonic flaw detection
  6. Performance testing: Three-point bending test + thermal shock test
Usage Guidelines
  • 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
Service Commitment
  • Technical support: Free CFD analysis provided
  • Customization: Special bore sizes and angles available
  • After-sales response: 24-hour technical consultation
FAQ
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.
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