AC10048 Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 28 mm

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 28 mm Description

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 28 mm is a ceramic component composed of aluminium oxide with a purity level of 99%. Its 28 mm diameter ensures compatibility with assemblies requiring precise spacing and mechanical support. The measured tensile and compressive strengths define its load-bearing capability, while a thermal conductivity of 30 W/(m·K) supports effective heat dispersion. An operating temperature of up to 1600 ℃ and a volume resistivity exceeding 10^14 Ohm·cm make it suitable for high-temperature electrical insulation applications.

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 28 mm Applications

Industrial Applications:
- Use as an insulating washer in furnace assemblies to counter thermal expansion mismatches by leveraging its stable thermal conductivity.
- Serves as a support ring in load-bearing structures to maintain alignment under mechanical stress through its compressive strength.

Electronics Applications:
- Applied as a spacer in sensor assemblies to maintain component isolation by leveraging its high volume resistivity.
- Used as an insulator in circuit modules to prevent short circuits by taking advantage of its controlled microstructure and thermal stability.

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 28 mm Packing

The component is packaged in a foam-lined, anti-static container with cushioned supports to minimise mechanical impact during transit. Each ring is individually sealed to restrict contamination. Ambient storage in a dry, temperature-regulated environment is advised to maintain material properties. Custom packaging configurations, including compartmentalisation and labeling, are available on request.

Frequently Asked Questions

Q1: How does surface finish affect the installation of this ceramic ring?
A1: The surface finish is evaluated using optical microscopy to ensure a consistent profile, which is crucial for achieving proper mating surfaces in assembly applications.

Q2: What external factors may influence the thermal performance of the ceramic ring?
A2: Variations in ambient temperature and thermal cycling can affect heat dispersion. Standard laboratory calibration and environmental controls are recommended to maintain expected performance.

Q3: Can the ring dimensions be adjusted for non-standard applications?
A3: Customisation of dimensions is possible subject to technical evaluation. Detailed discussions with SAM’s engineering team can determine feasible modifications while preserving material integrity.

Additional Information

Alumina ceramics form an important class of advanced materials valued for their chemical inertness and capacity to withstand elevated temperatures. Research in materials science continuously explores microstructural enhancements to improve performance in demanding industrial environments.

Processing techniques such as controlled sintering and precise machining are critical to achieving consistent material properties. These methods ensure that components maintain structural and electrical characteristics even under thermal and mechanical stress, making alumina ceramics a staple in both electrical insulation and structural support applications.