When you think of magnets, ferrite magnets are probably what you think of first because they are the most common and most affordable type of magnets. Not to mention that they are heavily involved in children’s toys and television shows.
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Applications of Ferrite Magnets
Ferrite magnets, which can be generally split into hard and soft magnets, are found in many different applications and industries. Each type of ferrite magnet is ideally suited for different applications. For example, you might find a hard ferrite magnet within a hard disk drive or radio due to the greater amount of coercive force needed, while, on the other hand, a soft ferrite magnet would more likely be used in applications like electromagnetic cores or transformer cores where coercive force is not as important.
Characteristics of Ferrite Magnets
A ferrite magnet is made up of two chemical compounds: magnetite and hematite. Magnetite is actually the most naturally occurring magnetic mineral found on the planet, which is why ferrite magnets are so affordable. There are a number of different categories and ways to categorize ferrite magnets, so it is best to know what you are looking for before purchasing or to consult with an experienced ferrite magnet manufacturer. In general, though, ferrite magnets are put into two different categories: soft ferrites and hard ferrites. To categorize them, their magnetic coercivity (persistence of internal magnetism) is evaluated.
Factors to Consider When Purchasing Ferrite Magnets
Unlike most substances, hard and soft has nothing to do with the brittleness of the magnet, as both categories are rather brittle. Instead, it has to do with the amount of coercive force the magnet produces. So, while a ferrite magnet may be far simpler than an alnico or neodymium magnet, it is important to know that there are still a number of options and factors to consider. This is why it is so crucial to find a trusted, experienced ferrite magnet manufacturer, ensuring that you receive the best possible solution for your unique applications.