Custom Alnico Magnets
Everbeen Magnet is an alnico magnet manufacturer and supplier with capabilities to customize any magnet shape. We work with you to personalize your magnets for your application.
Products Description
Alnico Magnets are an alloy material composed of aluminum, nickel, cobalt and iron and other small amounts of alloying elements such as copper and titanium. It is manufactured through a precision casting or sintering process to form a solid magnet with a specific magnetic structure. The appearance of Alnico magnets is usually metallic gray or silvery white, with a smooth and strong surface. Alnico magnets are available in a variety of shapes and can be made into different forms such as round, bar, ring, etc. to meet different application requirements.
Advantages
Customized design to meet personalized needs
The customized Alnico Magnets provided by our company can be customized according to the specific requirements of customers, with different shapes, sizes and magnetic parameters. Through precise casting or sintering processes, we can adjust the proportion of alloy elements such as aluminum, nickel, and cobalt according to the customer's application requirements, optimize the magnetic energy product (BHmax) and coercive force (Hcb), so that each magnet can accurately adapt to different working conditions and achieve the best magnetic field output.
Precision manufacturing to ensure high magnetic stability
Our company has advanced production equipment and a strict quality control system to ensure that each customized Alnico magnet has consistent magnetic performance. Through precise casting technology and strict temperature control management, we can maximize the remanence (Br) and magnetic energy product of the magnet within a high standard range, ensure that the product maintains a stable magnetic field output for a long time during use, and meet applications with high precision requirements.
Excellent corrosion resistance and mechanical strength
The customized Alnico magnets produced by our company are made of high-quality alloy materials and are finely processed during the manufacturing process, with strong corrosion resistance. The cobalt content in AlNiCo alloy provides additional oxidation resistance, ensuring that the magnet is not easy to rust and oxidize in humid or chemical environments. The mechanical strength of the magnet is also optimized to maintain magnetic stability and physical structural integrity even in high vibration or high shock working environments, extending the service life.
High temperature resistance ensures long-term reliability
Custom AlNiCo magnets have excellent high temperature resistance and can withstand operating temperatures up to 800°C. By precisely adjusting the alloy composition, our AlNiCo magnets still maintain strong magnetism in high temperature environments and are not prone to magnetic attenuation. This advantage enables custom AlNiCo magnets to work stably for a long time in occasions with large thermal environment changes, and are suitable for applications that require the magnetic field strength to be maintained at high temperatures.
Magnetism Direction Options
- Square and rectangular Cast or Sintered Alnico magnets can be magnetized with two poles ("N" & "S") through the length, width, thickness and multiple poles.
- Round Alnico magnet can be magnetized with two poles ("N" & "S") the thickness, diametrically and with multiple poles.
- Ring Alnico magnet can be magnetized with two poles ("N" & "S") through the thickness, diametrically and with multipoles. Contact us for the magnetism direction of irregular shapes.
FAQ
Q: What are alnico permanent magnets?
Alnico permanent magnets are made up of alloys whose major constituents are iron, aluminum, nickel and cobalt, though other elements (e.g., copper and titanium) may be included in minor amounts. Grades of Alnico vary in cobalt content, which ranges from zero (Alnico 3) to 40% (Alnico 8). Lower grades (2, 3 and 4) are unoriented in which magnetic properties are isotropic and equal in all directions. Their magnetic output is relatively low. Anisotropic grades (Alnico 5, 6, 8 and 9) are designed to produce high magnetic output in a specified direction. Orientation is achieved during heat treatment, by cooling the product from a temperature of about 2000° F (1093° C) at a controlled rate, within a magnetic field which conforms to the preferred direction of magnetization.
Alnico 5, the most widely used grade, delivers energy to a magnetic circuit more economically than any of the other Alnico grades. Alnico 8 possesses the highest coercive force of all Alnico grades, as well as excellent energy per unit volume and a low reversible temperature coefficient. It is recommended for applications exposed to strong demagnetizing fields, or where space considerations dictate a short magnetic length.
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