SC9873 Silicon Nitride Bonded Silicon Carbide Tube SNBC Tube OD. 90 mm

Silicon Nitride Bonded Silicon Carbide Tube SNBC Tube OD. 90 mm Description

Silicon Nitride Bonded Silicon Carbide Tube SNBC Tube OD. 90 mm is manufactured by sintering high-purity SiN and SiC powders into a tubular form with a 90 mm outer diameter. The material exhibits a thermal conductivity of 15 W/(m·k) and maintains structural integrity up to 1 450 ℃. These specifications ensure the tube performs consistently under high-temperature conditions and harsh industrial environments, offering stable heat transfer and mechanical resilience.

Silicon Nitride Bonded Silicon Carbide Tube SNBC Tube OD. 90 mm Applications

Industrial Applications
- Used as a liner in high-temperature reactors to control thermal gradients by leveraging its consistent heat conductivity and chemical inertness.
- Applied as a channel in molten metal processing systems to contain aggressive reactions by capitalising on its thermal stability.

Electronics Applications
- Employed as a heat dissipater in power electronics to manage temperature rises by utilising its controlled thermal conductivity and dimensional precision.

Silicon Nitride Bonded Silicon Carbide Tube SNBC Tube OD. 90 mm Packing

The tube is packaged in a shock-absorbent foam insert within a hard, anti-static container to minimise mechanical stress and contamination. It is sealed in moisture barrier bags with silica desiccants to maintain dryness and prevent particulate ingress. Custom packaging options, including tailored labelling and compartmentalised arrangements, are available. Storage in a cool, dry, temperature-controlled environment is recommended to preserve material properties.

Frequently Asked Questions

Q1: What is the significance of the 15 W/(m·k) thermal conductivity in this tube?
A1: The specified thermal conductivity of 15 W/(m·k) indicates efficient heat distribution along the tube’s structure, which is critical in applications that require rapid temperature regulation. This property minimises thermal gradients and enhances overall material performance in high-temperature environments.

Q2: How does the sintering process influence the microstructure of the tube?
A2: The sintering process promotes bonding between SiN and SiC particles, creating a uniform microstructure with minimal porosity. This controlled process enhances mechanical strength and thermal stability, as confirmed by X-ray diffraction and density analysis during production.

Q3: Can this tube withstand cyclic thermal loading in industrial settings?
A3: Yes, the tube’s composition and controlled sintering process yield a material that withstands repeated thermal cycling. The high operating temperature limit and stable thermal conductivity support its use in environments subject to frequent temperature fluctuations.

Additional Information

Ceramic materials such as silicon nitride and silicon carbide offer advantages in extreme temperature and chemical environments due to their inherent thermal stability and inertness. Bonding these materials combines their beneficial properties, resulting in components that perform well in thermal management and corrosive settings.

Understanding the interplay between microstructural characteristics and macroscopic performance is key in materials science. Techniques such as controlled sintering and advanced imaging allow manufacturers to optimise production parameters, thereby enhancing the durability and performance of the final product in industrial applications.