Description of Aluminium Oxide Rods
Aluminium oxide rods are solid cylindrical structures composed of aluminium oxide, a ceramic material that provides electrical insulation, chemical stability and controlled thermal behaviour. Aluminium oxide rods are used in various industrial sectors as insulators, supports and structural components in electrical devices and high-temperature applications. They are verified by measured data for reliability, longevity, resistance to wear and controlled thermal expansion.
Specifications of Aluminium Oxide Rods
Composition
|
UNIT
|
Al95
|
Al99
|
Al997
|
Al2O3 Content
|
%
|
95
|
99
|
99.7
|
Colour
|
|
White
|
Ivory
|
Ivory
|
Tensile Strength
|
Kpsi
|
32
|
38
|
36
|
Flexural Strength
|
Kpsi
|
52
|
55
|
54
|
Compressive Strength
|
Kpsi
|
300
|
377
|
350
|
Density
|
g/cc
|
3.70
|
3.90
|
3.92
|
Hardness
|
HV, GPa
|
13.8
|
17.2
|
18
|
Thermal Conductivity
|
W/(m K)
|
25
|
30
|
30
|
C.O.T.E.
|
In / In°C (x10^-6)
|
7.7
|
7.8
|
7.8
|
Working Temperature
|
°C
|
1500
|
1650
|
1750
|
Dielectric Constant
|
|
9.5
|
9.7
|
9.8
|
Volume Resistivity (25°C)
|
Ohm-cm
|
>10^14
|
>10^14
|
>10^14
|
Applications for Aluminium Oxide Rods
1. Protection of Thermocouples: Aluminium oxide rods protect thermocouples in high-temperature environments. Consequently, they are employed in furnaces and related systems.
2. Electrical Insulation: The rods serve as electrical insulators in electronic components, including high-voltage insulators and substrates for circuit boards.
3. Chemical Processing Equipment: In the chemical industry, aluminium oxide rods are incorporated in systems that require resistance to aggressive chemicals and high temperatures.
4. Wear-Resistant Components: Their measured high hardness and wear resistance allow application in bearings, seals and cutting tools.
5. Medical and Dental Instruments: The rods are used in medical and dental instruments. They are chosen for their biocompatibility and ability to withstand repeated sterilisation.
6. Mechanical Components: They are implemented in precision components such as shafts, rods and pistons used in pumps, valves and other machinery under high load conditions.
7. Laser and Optical Applications: Aluminium oxide rods are used in laser and optical systems. Their specific light transmission characteristics and thermal conductivity assist in heat dissipation from laser beams.
8. High-Temperature Furnaces: The rods are used as supports, spacers and fixtures in high-temperature furnaces, thereby maintaining structural integrity and resisting deformation.
9. Aerospace and Defence: In aerospace and defence, they are applied because of their verified strength-to-weight ratio, thermal stability and resistance to harsh environmental conditions.
10. Analytical Instruments: Aluminium oxide rods are utilised in analytical devices and laboratory equipment where chemical inertness and high temperature tolerance are required.
Packaging of Aluminium Oxide Rods
Our aluminium oxide rods are packaged carefully to prevent damage during storage and transit, thereby preserving the product quality in its original state.