Silicon Nitride Strip
- Custom and standard options available.
- Fast lead times guaranteed.
- High performance at a competitive price.
The silicon nitride ceramic strip is a precision band- or plate-shaped component made from high-performance silicon nitride via advanced powder metallurgy (e.g., gas pressure sintering or hot isostatic pressing). It offers extremely high mechanical strength and fracture toughness, excellent high-temperature resistance (stable above 1400°C), superior thermal shock resistance, good wear resistance, and strong chemical inertness against most acids, alkalis, and molten metals. Additionally, it features low density, high hardness, and self-lubricating properties.NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality Silicon Nitride Strip products, focuses on producing high-precision aluminum nitride silicon structural compenents through advanced technologies for diverse application fields.
Or email us at [email protected]
Silicon Nitride Strip Data Sheet
| Purity: | ≥99% |
| Color: | Black |
| Chemical Formula: | Si3N4 |
| Material Grades: | HMSN1000, HMSN2000, HMSN3000, HMSN4000 |
| Density: | 3.20 g/cm3 |
| Dimension: | 5×5×20mm, 8×8×50mm, 10×10×80mm, 20×20×100mm, or customized |
Silicon Nitride Strip Description
Silicon nitride ceramic strip is a high-precision band-shaped or plate-shaped component manufactured from the advanced engineering ceramic material silicon nitride, densified through sophisticated sintering processes such as gas pressure sintering or hot isostatic pressing, exhibiting a distinctive dark gray to gray-black appearance with homogeneous microstructure. This material combines outstanding mechanical and thermal properties, including extreme hardness (Vickers hardness >1400), exceptional fracture toughness (6-8 MPa·m¹/²), low density (~3.2 g/cm³), and excellent high-temperature stability, maintaining structural integrity and strength during prolonged service above 1400°C. It demonstrates remarkable thermal shock resistance, withstanding instantaneous temperature differentials exceeding 800°C without cracking. The strip shows prominent chemical inertness, providing strong resistance to most molten metals (e.g., aluminum, copper, zinc alloys), strong acids/alkalis, and high-temperature corrosive gases, while exhibiting non-wetting surface characteristics. With self-lubricating capabilities and superior electrical insulation performance, silicon nitride strips maintain dimensional stability and functional reliability under extreme operating conditions. Primary applications include precision load-bearing guides in semiconductor manufacturing equipment, transfer liners for high-temperature heat treatment furnaces, high-temperature components in aerospace engines, rolling ring components for new energy battery electrode processing, wear-resistant sealing systems in high-end machinery, and corrosion-resistant structural parts for specialized industrial equipment. It stands as a critical foundational material enabling high-efficiency, long-service-life, and low-maintenance operations in modern advanced manufacturing industries.
Silicon Nitride Strip Features
- Extreme Hardness and Wear Resistance: Vickers hardness reaches 1400-1600, second only to diamond and CBN, with exceptional anti-wear capability.
- Excellent Fracture Toughness: Outstanding among advanced ceramics, with fracture toughness of 6-8 MPa·m¹/², effectively resisting crack propagation.
- Exceptional High-Temperature Stability: Maintains mechanical properties above 1400°C, with significantly lower high-temperature strength degradation than metals.
- Superior Thermal Shock Resistance: Withstands instantaneous temperature differences exceeding 800°C without cracking, suitable for rapid thermal cycling.
- Low Density and High Stiffness: Density only ~3.2 g/cm³, approximately 60% lighter than steel, with high elastic modulus.
- Outstanding Chemical Inertness: Resistant to most acids, alkalis, and molten metals, particularly effective against non-ferrous metal melts like aluminum and zinc.
- Self-Lubricating Properties: Low friction coefficient (0.1-0.3), operable without lubrication, reducing energy loss.
- Excellent Electrical Insulation: Room temperature resistivity reaches 10¹³-10¹⁵ Ω·cm, maintaining good insulation at elevated temperatures.
- Non-Wetting Surface: Minimal adhesion to molten metals and glass, effectively preventing material sticking.
- Bio-inertness: Complies with medical material standards, suitable for specialized biomedical applications.
Silicon Nitride Strip Applications
- Semiconductor Manufacturing: Used as precision guide rails, handling arms, and vacuum chucks in wafer processing equipment, ensuring contamination-free, high-precision motion control.
- High-Temperature Industrial Furnaces: Serve as furnace liners, conveyor rails, and support structures in heat treatment and sintering furnaces, maintaining structural stability above 1400°C.
- Aerospace: Employed as high-temperature sealing rings, bearing components, and turbine guide vanes in aircraft engines, ensuring reliable operation under high-temperature, high-speed conditions.
- New Energy Sector: Used as rolling rings in lithium battery electrode calendering, extending equipment lifespan and improving electrode uniformity through wear and corrosion resistance.
- Precision Machinery: Function as guide rails, spindle bearings, and measuring instrument components in high-end CNC machines, providing high rigidity and low friction for precision motion.
- Chemical & Metallurgical Industries: Applied as wear-resistant liners in corrosive media conveying systems and components in molten metal processing equipment, resisting chemical erosion and high-temperature wear.
- Medical Devices: Utilized in rotating components of medical imaging equipment (e.g., CT scanners) and surgical instruments, ensuring precision, durability, and biocompatibility.
- Scientific Instruments: Used in precision sample stages and positioning components for advanced scientific instruments like synchrotrons and electron microscopes, meeting ultra-high vacuum and extreme environment requirements.
Silicon Nitride Ceramic Packaging
Silicon nitride ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.
Download
- SAFETY DATA SHEET (SDS) -Silicon Nitride Strip
FAQ
What is a Silicon Nitride Strip and what is it made of?
A Silicon Nitride Strip is a precision band-shaped or plate-shaped component made of high-performance silicon nitride (Si₃N₄) ceramic, manufactured through high-temperature sintering processes, typically exhibiting a uniform dark gray appearance.
What are the core advantages of Silicon Nitride Strips?
Core advantages include extreme hardness and wear resistance, excellent fracture toughness, exceptional high-temperature stability (>1400°C), outstanding thermal shock resistance, along with corrosion resistance, low density, and self-lubricating properties.
Why are Silicon Nitride Strips commonly used in semiconductor equipment?
Due to their high purity, non-magnetic properties, corrosion resistance, and low thermal expansion, they maintain dimensional stability in vacuum and high-temperature environments, ensuring high precision and cleanliness in wafer processing.
Can the surface of Silicon Nitride Strips be machined or coated?
Yes. Precision machining via diamond grinding is possible, and high-temperature coatings (e.g., yttria) can be applied to enhance specific properties, though professional process control is required.
What role do Silicon Nitride Strips play in the new energy sector?
They are primarily used as rolling rings in lithium battery electrode calendering, where their wear and corrosion resistance improve production efficiency and electrode uniformity while reducing metal contamination.
Get A Quote
Request a personalized quote tailored to your specific requirements.