SN10090 Silicon Nitride Bar, Si3N4 Bar

Silicon Nitride Bar, Si3N4 Bar Description

Silicon Nitride Bar, Si3N4 Bar is a cylindrical ceramic component composed of Si3N4 with a purity of ≥99% and a density of ~3.2 g/cm³. This composition provides structural integrity and dimensional consistency under demanding thermal and mechanical conditions. Customisable dimensions allow it to be integrated into various industrial assemblies where precise fit and durability are essential.

Silicon Nitride Bar, Si3N4 Bar Applications

Industrial Ceramics
- Used as a sealing component in high-temperature furnaces to achieve dimensional stability by utilising its inherent thermal resistance.
- Applied as a wear-resistant spacer in precision machining devices to reduce friction by taking advantage of its high hardness. 

Automotive/Mechanical
- Used as a structural support in engine components to manage thermal stresses by utilising its consistent compressive properties.

Silicon Nitride Bar, Si3N4 Bar Packing

Silicon Nitride Bar, Si3N4 Bar is packaged in moisture-resistant, anti-static wrap and secured within custom foam inserts to mitigate mechanical shock. The packaging design minimises contamination and environmental exposure during transit. For storage, the bar should be kept in a clean, temperature-controlled environment with limited humidity. Custom packaging options are available to address specific logistics and handling requirements.

Frequently Asked Questions

Q1: How does the purity of the Si3N4 material influence its performance in high-temperature applications?
A1: The purity level of ≥99% minimises inclusions and defects that can compromise thermal stability and mechanical integrity. This ensures that the component performs consistently under high-temperature industrial conditions.

Q2: Can the dimensions of the Silicon Nitride Bar be customised?
A2: Yes, the bar is offered with customisable dimensions. This flexibility allows integration into specific industrial assemblies where design constraints and spatial requirements are critical.

Q3: How is quality control ensured during the production of Silicon Nitride Bars?
A3: Quality control is maintained through detailed compositional analysis and microstructural examinations using techniques such as scanning electron microscopy and X-ray diffraction, ensuring the material meets strict standards for mechanical and thermal performance.

Additional Information

Silicon nitride ceramics are widely studied for their high strength-to-weight ratio and thermal shock resistance. Extensive research in materials science has established their suitability for applications that demand dimensional stability and durability, particularly in environments where thermal fluctuations are significant.

The properties of silicon nitride, including its high hardness and low thermal expansion, make it a subject of interest for ongoing industrial and academic studies. Understanding these characteristics supports its integration in various sectors and contributes to the continuous advancement of ceramic material applications.