AC10045 Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 20 mm

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 20 mm Description

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 20 mm is produced from high-purity Al2O3 and precision-machined to a 20 mm diameter. The ring exhibits a tensile strength of ~262 MPa and a compressive strength of ~2 100 MPa, ensuring structural integrity under stress. Its thermal conductivity of 30 W/(m·K) and operating temperature limit of ≤1 600 ℃ support high-temperature applications, while a volume resistivity exceeding 10^14 Ohm·cm provides effective electrical insulation.

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 20 mm Applications

Industrial Applications
- Utilised as a sealing washer in high-temperature furnace systems to achieve effective thermal insulation by leveraging its capacity to operate at ≤1 600 ℃.

Electronics
- Applied as an insulating spacer in circuit assemblies to achieve electrical isolation by leveraging its volume resistivity of >10^14 Ohm·cm.

Mechanical Systems
- Utilised as a load-bearing gasket in mechanical assemblies to achieve stress distribution by leveraging its tensile strength of ~262 MPa and compressive strength of ~2 100 MPa.

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 20 mm Packing

The ceramic ring is individually packaged in a moisture-resistant, sealed pouch and then secured within a cushioned, anti-static container. This packaging minimises mechanical shock and contamination risks while maintaining consistent environmental conditions during storage. Temperature and humidity controls are recommended to preserve its material properties, and customised packaging options are available to meet specific handling requirements.

Frequently Asked Questions

Q1: How does the ring maintain its performance at elevated temperatures?
A1: The ring is manufactured from high-purity Al2O3 and undergoes controlled thermal processing that stabilises its microstructure, ensuring it retains strength and insulation properties up to ≤1 600 ℃.

Q2: What measures are in place to ensure precise dimensions and tolerances?
A2: Stanford Advanced Materials employs detailed dimensional inspections and microstructural analysis during production, using calibrated instruments to verify that each ring conforms to strict tolerances required for industrial applications.

Q3: Can the ring sustain mechanical loads in high-stress environments?
A3: Yes, the ring's tensile strength of ~262 MPa and compressive strength of ~2 100 MPa are achieved through optimised sintering and machining processes, making it suitable for applications that involve significant mechanical loads.

Additional Information

Alumina ceramics, known as aluminium oxide (Al2O3), are widely used in industries where thermal stability and electrical insulation are critical. The material’s inherent hardness and inertness make it suitable for settings that demand resistance to chemical and physical degradation. Its microstructural uniformity, achieved through controlled sintering, contributes to consistent performance across various operating conditions.

In addition, alumina ceramic components are integral in systems that require precise dimensional accuracy and reliability under stress. Understanding the fundamental properties of Al2O3, such as high volume resistivity and controlled thermal conductivity, supports the effective integration of these materials into advanced engineering and industrial designs.