The standard compound for the majority of neodymium magnets is Nd2Fe14B. But in real production, the chain reaction can be much more complex.
According to the ratio of components in the content of neodymium magnets, the criteria such as the degree of strength, degree of strength, temperature of sensitivity of the magnets vary. For example; When the percentages of Cobalt and Iron are changed, the magnet’s power will increase at elevated temperature levels, whereas intrinsic coercion will decrease. If the pieces of Neodymium are replaced with dysprosium, the internal stress is increased, while the maximum power element drops.
A magnet manufacturer should use both Cobalt and Dysprosium together. In this way, power and performance will be great.
Neodymium magnets are created by powder metallurgical techniques. Therefore, they have a ceramic-like appearance instead of metal. Magnets are physically extremely difficult to break. They can be coated with Nickel to achieve a metal look. However, they cannot be as strong as steel in this way. Another purpose of coating the magnets is to delay rust. An uncoated magnet can rust much sooner. Therefore, coating is extremely important. Neodymium magnets can be plated with nickel or copper.
When Choosing Neodymium Magnet, Pay Attention to Its Production
We do not recommend choosing a threaded or pressed Neodymium magnet. These magnets may not be as strong as others under torque.
The quality controls of the produced magnets are carried out with the help of x-ray fluorescent modern technology. In this way, the thickness of the coating can be controlled.
On the other hand, the magnet field size, that is the magnet power, of the produced magnet should also be checked. For this, the magnet is held for a short time in a highly electromagnetic field, also called a fixture. Usually there is a large coil of cables around the magnets. The magnetizing devices activate this coil by sending a large current, increasing the power of the magnet.
You found a magnet with the power you want and all you need is to shape it. First of all, the main material is pressed at high temperature levels below the melting factor of the material until the particles are compatible with each other. This process is called sintering. Sintered magnets can be made to your desired shape using a grinding procedure. Even a small number of times, complex shapes can be produced from time to time with electrical discharge processing. Electric discharge processing is briefly known as EDM.
Before you decide on the Neodymium magnet you want to use, knowing about the production methods can help you make a much more accurate choice.