Circular aluminum nickel cobalt

Aluminum nickel cobalt magnet is an alloy made of materials such as aluminum, nickel, cobalt, copper, iron, etc. According to different processing techniques, it is divided into two types: cast aluminum nickel cobalt and sintered aluminum nickel cobalt.
Aluminum nickel cobalt permanent magnets refer to precipitation hardened water magnets manufactured by casting or powder metallurgy methods, mainly including Fe Ni Al and Fe Ni Al Co alloy systems.

Production process of aluminum nickel cobalt magnets
Casting: Ingredients - Melting - Casting - Heat Treatment - Performance Testing - Mechanical Processing - Inspection - Packaging.
Sintering: ingredients - powder - pressing - sintering - heat treatment - performance testing - mechanical processing - inspection - packaging.

Characteristics of Aluminum Nickel Cobalt Magnet
Aluminum nickel cobalt permanent magnets generate coercivity through the shape anisotropy of precipitated phases.
Fe-Ni-Al
The typical components of Fe Ni Al alloy are Fe-25.5Ni-13Al-3Cu and Fe-21Ni-10Al-12Co-6Cu. Due to the presence or absence of cobalt in the alloy, magnetic field heat treatment is ineffective, and the magnet is magnetically isotropic, resulting in lower performance.

Fe Ni Al Co alloy
The typical components of Fe Ni Al Co alloy system are Fe-14Ni-8A1-24Co-3Cu (commonly known as Alnico5) and Fe-15Ni-7Al-34Co-5Ti-3Cu (commonly known as Alnico8). Their cobalt content is high, the magnetic field treatment effect is obvious, the magnet is magnetically anisotropic, and the performance is high. The performance of columnar crystal magnets made by directional solidification method will be significantly improved

Application of Aluminum Nickel Cobalt Magnet
Aluminum nickel cobalt alloy is brittle and hard, mainly produced by casting method. In addition, aluminum nickel cobalt permanent magnets can also be made into sintered magnets corresponding to cast magnets by powder metallurgy method, but the performance is slightly lower. Aluminum nickel cobalt magnets have good temperature stability and aging stability, and are suitable for making instruments, motors, electroacoustic devices, magnetic machinery, etc.

Aluminum nickel cobalt magnet material
Aluminum nickel cobalt permanent magnet is a permanent magnet material mainly composed of aluminum, nickel, and cobalt elements, in addition to iron. From the 1930s to the 1960s, it played an important role in the application of permanent magnet materials. However, since the 1970s, the development of permanent magnet ferrite has been rapid, and the magnetic properties of rare earth cobalt permanent magnet materials have surpassed those of aluminum nickel cobalt materials. The performance of machinable plastic iron chromium cobalt permanent magnets can be compared with it, so its usage has decreased. But its demagnetization caused by temperature changes is smaller than other materials, so it is still commonly used in instruments.


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We specialize in customized production and sales of aluminum nickel cobalt magnets, and can customize aluminum nickel cobalt permanent magnets with any specifications and performance. If you need to customize aluminum nickel cobalt magnets, please feel free to provide us with pictures and samples.