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How to demagnetize AlNiCo magnets

How to demagnetize AlNiCo magnets

Date: 2021-08-30 | Category: INDUSTRY NEWS

  Is there a way to demagnetize AlNiCo magnets?

 

  A certain method for demagnetization can be formulated according to the different usage of AlNiCo magnets.

 

  1) High temperature demagnetization method:

 

  The main operation of the high temperature demagnetization method is to put the AlNiCo magnet into a high temperature furnace for heating. After the high temperature treatment, the magnetism of the AlNiCo magnet will be removed, but during the heating process, the effect of high temperature will directly cause aluminum. The structure of the object inside the nickel-cobalt magnet has undergone drastic changes, so this demagnetization method is generally used for scrapped and recycled magnets.

 

How to demagnetize AlNiCo magnets

 

  2) Vibration demagnetization method:

 

  The operation of this method is very simple, which is to vibrate strongly and vigorously the AlNiCo magnet. After the vibration operation, the internal structure of the alnico magnet has changed, thereby changing the physical properties of the alnico magnet. Generally speaking, this method of demagnetization has little effect, and only a small amount of demagnetization can be used temporarily.

 

How to demagnetize AlNiCo magnets

 

  3) Magnet AC demagnetization method:

 

  This method of demagnetization is to put the AlNiCo magnet into a space that can generate an AC magnetic field. After the interference of the AC magnetic field, the internal structure of the AlNiCo magnet will be disrupted, so that the effect of demagnetization can be achieved. Using this method is a relatively common method of demagnetization.

 

  The above three methods are all effective for demagnetization of AlNiCo magnets. But in normal times, we still have to prefer the AC demagnetization method. It has better demagnetization effects than high-temperature demagnetization and vibration demagnetization, and its efficiency is also high. It is currently the most widely used method in industrial production.

 

How to demagnetize AlNiCo magnets

 

  Where to buy AlNiCo magnets?

 

  HS Magnetic is one of the top China Neodymium Magnet Suppliers and AlNiCo Magnet Manufacturers. We have our own production workshop and design team. If you cooperate with us, we can provide you with first-hand prices.

 

  No matter from which point of view, we are the best choice. Welcome to choose HS Magnetic - one of the top China Neodymium Magnet Suppliers and AlNiCo Magnet Manufacturers.  >>>More products

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lucy

In September 2018

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