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Aluminum Alloys For Corona Rings: Definition, Grades, Its Uses, and Benefits

January 23, 2024
aluminum alloys for corona rings

Aluminum alloys are metallic alloys that primarily consist of aluminum as the principal element, combined with other elements such as copper, magnesium, manganese, silicon, zinc, and others in varying proportions.

The addition of these alloying elements imparts specific properties to the aluminum, making it suitable for a wide range of applications.

This article will discuss corona ring use aluminum alloys, how it is made, its uses, and its grades.

What are Aluminum Alloys?

Aluminum, a metal capable of forming alloys, can be alloyed with elements like copper, magnesium, silicon, zinc, and manganese to modify its mechanical and physical characteristics.

Precise amounts of these elements are incorporated to attain specific properties tailored for particular applications. For example, the combination of magnesium and aluminum yields a robust yet lightweight alloy, making it ideal for applications in the aerospace and automotive sectors.

Aluminum alloys find widespread application across diverse industries due to their lightweight nature, corrosion resistance, and thermal conductivity.

Numerous products, ranging from consumer electronics and automobiles to aircraft, are crafted from aluminum alloys.

What Is Aluminum Alloy Made Of?

Aluminum alloy is made by combining aluminum with other elements to enhance its properties for specific applications. The alloying elements are added in varying proportions, and the resulting combination forms alloys with improved mechanical, physical, and chemical characteristics. The composition of aluminum alloys can vary widely based on the intended use and desired properties, but some common alloying elements include:

  • Copper (Cu): Adds strength and improves corrosion resistance.
  • Magnesium (Mg): Enhances the strength-to-weight ratio, making the alloy lightweight and strong.
  • Silicon (Si): Improves casting properties and contributes to the alloy’s strength.
  • Zinc (Zn): Enhances the strength and hardness of the alloy.
  • Manganese (Mn): Improves the overall strength and workability of the alloy.

Corona Ring Use Aluminum Alloys Grade

Corona rings, also known as shielding rings, are often used in high-voltage electrical systems to control the electric field and minimize corona discharge.

The choice of aluminum alloy grade for corona rings depends on several factors, including electrical conductivity, mechanical strength, and corrosion resistance.

Commonly used aluminum alloy grades for corona rings include:

Aluminum Alloy 6063: Recognized for its excellent extrudability and formability, 6063 is often used in architectural and structural applications. Its characteristics may be suitable for specific corona ring designs.

It’s important to note that the specific choice of aluminum alloy grade for corona rings can depend on the voltage levels, environmental conditions, and the design specifications of the electrical system. Engineers and designers typically consider factors such as electrical conductivity, mechanical strength, corrosion resistance, and ease of fabrication when selecting the appropriate aluminum alloy for corona ring applications.

What Are the Benefits of Corona Rings Use Aluminum Alloy?

Aluminum alloys exhibit a range of characteristics that make them versatile materials for various applications. Some benefits of aluminum alloys include:

Lightweight: Aluminum is known for its low density, making aluminum alloys significantly lighter than many other metals. This characteristic is particularly advantageous in industries such as aerospace and automotive.

Corrosion Resistance: Aluminum naturally forms a protective oxide layer on its surface, providing good resistance to corrosion. This makes aluminum alloys suitable for applications in marine environments and other corrosive conditions.

Strength: Depending on the alloy composition and heat treatment, aluminum alloys can exhibit high strength. Some alloys, such as 7075, are known for their excellent strength-to-weight ratio.

Conductivity: Aluminum has good electrical conductivity. Certain alloys are used in electrical applications, including wiring and conductors.

Thermal Conductivity: Aluminum has excellent heat conductivity, making it suitable for applications where heat dissipation is crucial. This property is beneficial in the manufacturing of heat sinks and other cooling devices.

Machinability: Aluminum alloys are generally easy to machine and form. They can be cast, extruded, and shaped into various forms, allowing for a wide range of fabrication processes.


This article presented corona ring use aluminum alloys, explained what they are, and discussed their various applications and benefits.

Highv offered complete corona shielding control solutions.

We are able to design, develop, produce and deliver your corona rings and shields according to your detailed drawings, samples or just an idea.

HIGHV engineers expert team are skilled at AUTO CAD, PROE, SOLID WORKS and UG softwares for your aluminum corona rings project. Contact us today.