Advanced Sintering Technology And Precise Atmosphere Control For Ceramic Nozzles In Semiconductor And Energy Industries

Advanced Sintering Technology And Precise Atmosphere Control For Ceramic Nozzles In Semiconductor And Energy Industries

This product is manufactured using 99.6% high-purity silicon nitride (Si₃N₄) material through precisely controlled sintering processes. Utilizing multi-stage gradient sintering curves and precise atmosphere control technology to ensure optimal microstructure and performance.

Primary Applications

• Aircraft engines: High-temperature fuel injection systems

• Energy equipment: Gas turbine combustion chambers

• Industrial spraying: HVOF (High-Velocity Oxygen Fuel) spraying

• 3D printing: Metal powder atomization devices

• Semiconductor: Wafer cleaning equipment

Sintering Process Advantages

✓ Precise temperature control: ±3℃ furnace uniformity
✓ Accurate atmosphere: Nitrogen protection with ≤5ppm oxygen
✓ Optimized gradient: 12-segment programmable heating curve
✓ Grain boundary control: Optimal grain boundary phase composition
✓ Density assurance: Relative density ≥99.5%

Technical Specifications

Sintering Process Flow

1. Debinding stage:

   • Temperature: Below 600℃

   • Atmosphere: Flowing nitrogen

   • Duration: 12-16h

2. Presintering stage:

   • Temperature: 1200-1500℃

   • Heating rate: 3℃/min

   • Soaking: 2h

3. High-temperature sintering:

   • Temperature: 1850℃

   • Atmosphere: High-pressure nitrogen (10MPa)

   • Soaking: 4h

4. Cooling control:

   • Rate: 2-3℃/min (above 1000℃)

   • Protection: Continuous nitrogen flow

Usage Guidelines

⚠️ Installation: Use ceramic-specific tools
⚠️ Temperature limit: Continuous use ≤1600℃
⚠️ Pressure limit: Working pressure ≤80MPa
⚠️ Media restriction: Avoid HF environment

After-Sales Service

• Technical support: Free sintering process consultation

• Customization: Special sintering curve development

• Emergency response: 24-hour technical support

FAQ

Q: Effect of sintering temperature deviation?
A: Minimal impact within ±5℃, significant strength reduction beyond ±10℃.

Q: How to ensure batch consistency?
A: Digital sintering curve traceability system.

Q: Sintering control for special shapes?
A: Custom molds and support systems available.

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 experience in producing special precision ceramics, and has the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. At present, the company has production and processing equipment such as dry press, isostatic press, experimental furnace, flat kiln, machining center, surface grinder, universal internal and external grinder, centerless grinder and laser cutting machine, as well as complete high-precision testing equipment such as high-precision projector, three-dimensional tester, metallographic microscope, hardness tester and densitometer.

With advanced production technology and complete production facilities, the company is one of the few domestic enterprises that can produce special precision ceramic structural parts and functional parts with machining accuracy less than 2 microns, and has strong core competitiveness in the same industry in China.

Advantages of the company: 1. National new technology enterprises; 2. The company has a municipal R&D center; 3. Cooperation with domestic key universities and research institutes; 4. Design, molding, sintering and precision processing; 5. The products cover alumina, zirconia, silicon nitride, silicon carbide and other precision ceramics; 6. Precision plus technology.

The company has always been standing in the position of customers to solve problems, focusing on the principle of quality and delivery time, adhering to the business philosophy of "integrity, innovation and reassurance", and sincerely looking forward to cooperating with you.