Carbure de silicium de précision (SiC) Cales en céramique & Entretoises

Engineered for Extreme Alignment & Wear Resistance. Jifeng Ceramics manufactures high-precision Silicon Carbide (SiC) shims and spacers designed for critical industrial applications where metal components fail.

Matériel: Sintered Silicon Carbide (SSiC) or Reaction Bonded (RBSiC).
Precision: Thickness tolerances down to ±0.005mm.
Surface: Lapped and polished to Ra < 0.1μm.
Stability: Zero deformation under heavy load (High Young's Modulus).
Customization: We offer build-to-print services. Upload your CAD drawing for a quote within 24 hours.

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Product Details
Where SiC Shims Deliver Critical Value
Frequently Asked Questions (FAQ)

The Ultimate Solution for High-Temperature Industrial Applications

JiFeng Ceramics manufactures high-precision Carbure de silicium (SiC) ceramic shims and spacers designed for critical industrial applications where conventional metal or lower-grade ceramic components fail. Our SiC components, available in Sintered Silicon Carbide (SSiC) and Reaction Bonded (RBSiC) grades, deliver unmatched performance in extreme environments.

Key Product Specifications:

Feature	Specification	Benefit
Matériel	Sintered SiC (SSiC) / Reaction Bonded SiC (RBSiC)	Optimized for specific application needs (purity vs. cost).
Precision	Thickness Tolerances down to ±0.005mm	Ensures exact alignment and minimal thermal expansion mismatch.
Surface Finish	Lapped and Polished to Ra < 0.1μm	Reduces friction and wear in dynamic sealing or sliding applications.
Stability	High Young’s Modulus (Zero Deformation)	Maintains structural integrity under heavy mechanical and thermal loads.
Customization	Build-to-Print Services	Rapid prototyping and manufacturing based on your CAD drawings.

SiC Ceramic Shims: Outperforming Traditional Materials

Silicon Carbide is one of the hardest and most chemically resistant advanced ceramics available. Its unique covalent bonding structure grants it superior properties compared to common industrial materials like Stainless Steel or Alumina (Al₂O₃).

Propriété	Sintered SiC (SSiC)	Alumine (99.5% Al₂O₃)	Stainless Steel (316L)
Max Service Temp	~1700°C	~1650°C	~870°C
Dureté (Vickers)	>2500 HT	~1500 HV	~200 HV
Conductivité thermique	~120 W/m·K	~30 W/m·K	~15 W/m·K
Résistance à la corrosion	Excellent (Acids/Alkalis)	Bien (Acids)	Poor (Strong Acids/Chlorides)
Wear Resistance	Exceptional	Bien	Poor

Our precision silicon carbide shims are indispensable in industries demanding extreme reliability and performance.

Case 1: Thermal Management in Semiconductor Wafer Processing

In high-temperature semiconductor equipment (par ex., CVD/PVD reactors), precise alignment and thermal stability are paramount. Our high thermal conductivity ceramic shims are used as spacers between heating elements and wafer carriers. The SiC's high thermal conductivity ensures rapid, uniform heat transfer, preventing thermal gradients that can lead to wafer warping and yield loss. Furthermore, its ultra-high purity prevents metallic contamination of sensitive electronic components.

Case 2: Extreme Wear Resistance in Aerospace Turbine Seals

Aerospace engines require components that can withstand high-speed rotation, extreme temperatures, and abrasive particle ingestion. Our reaction bonded SiC components are utilized in labyrinth seals and bearing assemblies. The SiC's superior hardness and low friction coefficient drastically reduce wear rates, extending the Mean Time Between Overhaul (MTBO) of critical turbine sections, making them a true wear resistant solution for aerospace applications.

Q1: What is the difference between Sintered SiC (SSiC) and Reaction Bonded SiC (RBSiC)?

A: Both are forms of SiC ceramic spacer, but they differ in manufacturing. SSiC is a high-purity, fully dense material sintered at very high temperatures, offering superior corrosion resistance and strength. RBSiC is manufactured at lower temperatures and contains a small amount of free silicon, making it more cost-effective for larger, complex shapes while still providing excellent hardness and thermal properties.

Q2: Why should I choose a SiC ceramic shim over an Alumina (Al₂O₃) shim for high-temperature use?

A: While Alumina is a good ceramic, SiC is superior for extreme conditions. SiC offers four times the thermal conductivity of Alumina, meaning it manages heat much more effectively. It also has significantly higher hardness et better thermal shock resistance, making it the preferred choice for applications above 1400°C or where rapid temperature changes occur.

Q3: Can SiC shims be customized to my exact CAD specifications?

A: Oui. We specialize in build-to-print services for precision silicon carbide shims. We use advanced machining techniques, including diamond grinding and lapping, to achieve thickness tolerances down to ±0.005mm and complex geometries based on your specific CAD drawings.

Q4: Are SiC ceramic shims electrically conductive?

A: Generally, Sintered SiC (SSiC) is a semiconductor and can be electrically conductive, depending on the doping and purity. Reaction Bonded SiC (RBSiC) is typically more conductive due to the presence of free silicon. If your application requires electrical insulation, we can recommend specific SiC grades or alternative ceramic materials.

Suivant: Effecteurs d'extrémité en céramique d'alumine de haute précision pour la manipulation de plaquettes de semi-conducteurs

Céramiques de carbure de silicium (SiC)/Assiette en céramique/

Carbure de silicium de précision (SiC) Cales en céramique & Entretoises

The Ultimate Solution for High-Temperature Industrial Applications

SiC Ceramic Shims: Outperforming Traditional Materials

Case 1: Thermal Management in Semiconductor Wafer Processing

Case 2: Extreme Wear Resistance in Aerospace Turbine Seals

Q1: What is the difference between Sintered SiC (SSiC) and Reaction Bonded SiC (RBSiC)?

Q2: Why should I choose a SiC ceramic shim over an Alumina (Al₂O₃) shim for high-temperature use?

Q3: Can SiC shims be customized to my exact CAD specifications?

Q4: Are SiC ceramic shims electrically conductive?

Laisser une réponseAnnuler la réponse

Céramiques de carbure de silicium (SiC)/Assiette en céramique/

The Ultimate Solution for High-Temperature Industrial Applications

SiC Ceramic Shims: Outperforming Traditional Materials

Case 1: Thermal Management in Semiconductor Wafer Processing

Case 2: Extreme Wear Resistance in Aerospace Turbine Seals

Q1: What is the difference between Sintered SiC (SSiC) and Reaction Bonded SiC (RBSiC)?

Q2: Why should I choose a SiC ceramic shim over an Alumina (Al₂O₃) shim for high-temperature use?

Q3: Can SiC shims be customized to my exact CAD specifications?

Q4: Are SiC ceramic shims electrically conductive?

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