SC9871 Silicon Nitride Bonded Silicon Carbide Tube SNBC Tube OD. 76 mm

Silicon Nitride Bonded Silicon Carbide Tube SNBC Tube OD. 76 mm Description

The SNBC tube features a ceramic composite of silicon nitride (Si₃N₄) and silicon carbide (SiC) engineered through controlled sintering processes. Its 76 mm outer diameter ensures compatibility with standard industrial furnaces and processing equipment. With a thermal conductivity of 15 W/(m·k) and an operating temperature up to 1 450 ℃, this tube is suitable for applications that require efficient heat transfer and resistance to thermal stresses. The bonded composite structure withstands mechanical loads while resisting chemical attack.

Silicon Nitride Bonded Silicon Carbide Tube SNBC Tube OD. 76 mm Applications

1.       Industrial Processing
   - Used as a liner in high-temperature reactors to achieve uniform heat distribution by leveraging its controlled thermal conductivity.
   - Applied as a structural component in furnace assemblies to manage thermal gradients by capitalising on its ceramic stability.

2.       Chemical Processing
   - Serves as a flow channel in corrosive reactors to maintain structural integrity by utilising its chemical inertness and dimensional stability.

3.       Metallurgical Manufacturing
   - Employed as a transport tube in metallurgical kilns to handle cyclical thermal and mechanical stresses by relying on its composite structure.

Silicon Nitride Bonded Silicon Carbide Tube SNBC Tube OD. 76 mm Packing

The tube is secured in a foam-lined container with anti-static wrapping to prevent surface damage during transit. It is then placed in a durable cardboard box designed to mitigate mechanical shocks. The packaging maintains a controlled environment to prevent thermal shock and moisture uptake. Custom packaging solutions, including specialised cushioning and labelling, are available to accommodate specific shipping and storage requirements.

Frequently Asked Questions

Q1: What analytical methods are used to assess the microstructure of the tube?
A1: The production process incorporates X-ray diffraction and optical microscopy to verify the ceramic grain structure and detect any deviations in phase distribution, ensuring that the microstructure meets the defined performance criteria.

Q2: How does the tube behave under repeated thermal cycling?
A2: The composite structure of silicon nitride and silicon carbide withstands thermal cycling by minimising thermal shock effects. This reduces the risk of microcracking in applications that involve continuous temperature variations.

Q3: Are custom dimensions or modifications available for this tube?
A3: Yes, customisation of dimensions and specific material properties is possible. This includes alterations in wall thickness or overall size to suit specialised industrial equipment and operational requirements.

Additional Information

Silicon nitride and silicon carbide are ceramic materials noted for their ability to maintain structural integrity at elevated temperatures. Their integration in a bonded composite not only enhances thermal management but also improves resistance to chemical and mechanical stresses. Studies in high-temperature ceramics indicate that careful microstructural control leads to improved performance in demanding industrial environments.

Ongoing research in ceramic composites explores the optimisation of sintering processes and the development of advanced quality control measures. This progress contributes to better thermal stability and longer service lifetimes in various industrial applications, reinforcing the significance of precise material characterisation in ceramics engineering.