AC10368 Alumina Sheet, Al2O3 Sheet, Aluminium Oxide Sheet 99.5%

Alumina Sheet, Al2O3 Sheet, Aluminium Oxide Sheet 99.5% Description

Alumina Sheet, Al2O3 Sheet, Aluminium Oxide Sheet 99.5% is composed of aluminium oxide (Al2O3) and manufactured in a sheet format with customisable dimensions. The material offers a density of 3.9 g/cm³, tensile strength of 36-38 Kpsi, and compressive strength near 350 Kpsi. It exhibits a thermal conductivity of 30 W/(m·K) and operates reliably up to 1600 ℃, with electrical properties evidenced by a volume resistivity exceeding 10^14 Ohm·cm.

Alumina Sheet, Al2O3 Sheet, Aluminium Oxide Sheet 99.5% Applications

1.       Electronics and Semiconductor
   - Used as an insulating substrate in circuit assemblies to control heat dissipation by leveraging its thermal conductivity.
   - Applied in high-frequency circuits to mitigate leakage currents owing to its high volume resistivity.

2.       Industrial Processing
   - Employed as a wear-resistant barrier in furnace linings to support durability under extreme thermal loads by leveraging its strength properties.
   - Integrated into high-temperature processing equipment to maintain structural integrity under mechanical stress.

3.       Mechanical and Structural
   - Utilised as a protective component in abrasive environments to reduce material wear by leveraging its high hardness and tensile strength.
   - Applied as an insulating layer in structural setups where dimensional stability at elevated temperatures is required.

Alumina Sheet, Al2O3 Sheet, Aluminium Oxide Sheet 99.5% Packing

The product is secured in anti-static packaging with rigid foam inserts to protect against mechanical shock and contamination. It is stored in controlled, low-humidity conditions to preserve material integrity. The packaging design minimises exposure to environmental factors during transit, and customised options including vacuum-sealing and individualised compartmentalisation can be provided to accommodate specific handling requirements.

Frequently Asked Questions

Q1: How does the specified thermal conductivity benefit electronic applications?
A1: The thermal conductivity of 30 W/(m·K) helps to transfer heat efficiently, preventing overheating in electronics and ensuring stable operation in high-temperature environments.

Q2: What should be considered when requesting customised dimensions?
A2: Customised dimensions must match the equipment interface and operating environment. It is important to consider thermal expansion and mechanical load requirements for optimal performance.

Q3: How does high volume resistivity enhance electrical insulation?
A3: A volume resistivity greater than 10^14 Ohm·cm minimises stray currents and leakage, which is essential for maintaining performance in insulating applications under high voltage stress.

Additional Information

Alumina, chemically known as aluminium oxide (Al2O3), is widely used due to its stability under high temperatures and its electrical insulation capabilities. Its crystalline structure and consistent physical properties make it suitable for applications in both electronic and industrial fields. Understanding these properties is crucial for optimising the performance of ceramic components in demanding environments.

Recent advancements in ceramic processing have focused on achieving uniform microstructures and precise dimensional tolerances. This material continues to be studied for its potential improvements in heat dissipation and barrier protection, which are integral to high-temperature applications and various industrial processes.