Neodymium Magnet vs. Ferrite Magnet

Written By: msilvestro Category: Neodymium Magnets Date: 2019-03-21 Hits: 997

What are the differences and benefits of neodymium magnets and ferrite magnets? Which is better for your project? Learn more from Jobmaster Magnets.

Magnets are pretty amazing objects that are used for a variety of applications. Though there are many different types of magnets, the two that compete for magnetic supremacy are neodymium magnets and ferrite magnets (also referred to as ceramic magnets).

Here is a quick breakdown of what each of these magnets has to offer:

  • Neodymium magnets: This type of magnet has found increased popularity in recent years, for both recreational and commercial usage. These magnets are smaller than ferrite magnets but actually offer more strength. They also have an increased resistance to thermal stress and greater durability.
  • Ferrite magnets: These magnets have benefits as well. They are easier to magnetize, they cost less and offer a higher level of resistance to corrosion. This eliminates the need for multiple layers of coating for protection.

 

Strengths and Weaknesses of Neodymium Magnets

 

Strengths:

  • Can lift more than any other type of magnet that is the same size
  • Extremely resistant to demagnetization by outside magnetic fields
  • Are the most powerful of all permanent magnets

Weaknesses:

  • Generally, more expensive than ferrite magnets
  • Can rust easily, extra steps needed to avoid corrosion
  • Brittle and may crack under stress
  • Can lose magnetism if exposed to temperatures above 480 degrees Fahrenheit

 

 

Strengths and Weaknesses of Ferrite Magnets

 

Strengths:

  • Easy to magnetize
  • Resistant to corrosion and don’t require extra coatings
  • Resistant to demagnetization by outside fields

Weaknesses:

  • Are extremely brittle and break easily
  • Cannot be utilized in machines that will cause the magnet a lot of stress or to flex
  • Moderate magnetic strength makes them futile for a variety of applications
  • Become demagnetized when exposed to temperatures above 480 degrees Fahrenheit.

 

Which Magnet is Better?

 

So, which magnet is best for your project? It really depends on the application, but the slight advantage goes to neodymium magnets. Along with the benefits mentioned above, they also offer a higher magnetic field strength, coercivity (resistance to demagnetization) and miniaturization.

When choosing a magnet, there are a few major things to consider. The costs of the magnets, the size of the system you want to put the magnet in, the strength needed from the magnet and what you need it to do overall. It’s up to your personal needs in the end.

If you’re looking for either of these magnets, or a variety of other magnets, contact the experts at Jobmaster Magnets.

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