AC10038 Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 95%, Dia. 20 mm

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 95%, Dia. 20 mm Description

The Alumina Ceramic Ring, composed primarily of Al2O3, features a 20 mm diameter tailored for precise load-bearing applications. With a tensile strength of approximately 220 MPa and a compressive strength near 2 070 MPa, it withstands significant mechanical stress. A thermal conductivity of 25 W/(m·K) facilitates effective heat dissipation, while a volume resistivity exceeding 10^14 Ohm·cm provides electrical insulation. Its controlled microstructure minimises internal flaws impacting performance.

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 95%, Dia. 20 mm Applications

Industrial Applications
- Used as an insulating washer in high-temperature machinery to achieve stable load distribution by leveraging high compressive strength and thermal conductivity.
- Applied as a component in fluid processing units to maintain chemical inertness and dimensional stability through controlled ceramic microstructure.

Electronics Applications
- Serves as an insulating spacer in electronic assemblies to achieve electrical separation by leveraging the ring’s high volume resistivity.
- Employed in sensor housings to maintain structural integrity in environments with fluctuating temperatures by utilising its thermal conductivity and mechanical properties.

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 95%, Dia. 20 mm Packing

The Alumina Ceramic Ring is packed in anti-static, cushioned containers to prevent damage during transit. It is sealed in moisture-resistant wrapping to preserve its electrical insulation properties and avoid contamination. Individual compartments in the packaging reduce physical impact and chipping. Custom labelling and packaging options are available to accommodate specific storage and handling requirements.

Frequently Asked Questions

Q1: How does the material composition of the ring affect its performance in high-temperature environments?
A1: The Al2O3 composition ensures the ring sustains structural integrity and thermal conductivity up to 1 500 ℃. Its controlled ceramic microstructure minimises thermal shock, supporting consistent performance in environments that experience significant temperature fluctuations.

Q2: What testing methods are utilised to verify the mechanical strengths of the ring?
A2: Standardised tensile and compressive tests are used to validate the ring’s performance. These methods confirm the approximate 220 MPa tensile strength and 2 070 MPa compressive strength, ensuring the component meets the required load-bearing capabilities for demanding applications.

Q3: Can this Alumina Ceramic Ring be integrated into electronic assemblies for insulation purposes?
A3: Yes, the ring’s over 10^14 Ohm·cm resistivity and consistent thermal characteristics make it suitable as an insulating component in electronic assemblies. Its properties help maintain electrical isolation and support circuit stability under thermal and mechanical stress.

Additional Information

Alumina ceramics, primarily composed of aluminium oxide (Al2O3), are essential in modern engineering due to their ability to withstand high temperatures and mechanical loads. Advances in ceramic processing, such as controlled sintering and microstructural optimisation, have reduced defect densities, ensuring consistent performance in industrial and electronic applications.

The extensive use of alumina ceramics spans sectors where thermal stability and load-bearing capabilities are critical. Understanding the relationship between processing parameters and material properties helps engineers design components that meet precise operational specifications, thereby enhancing overall system performance.