Email Us neo@atechmagnet.com CALL US NOW +86-010-53345989
Huatai Xinding(Beijing)Metal Materials Co., Ltd.
En
All About Magnetic Materials
Magnetic solution
provider & manufacturing expert,
25 years of professional experience
Innovative solutions for sustainable developments toward a better world
Striving for excellence and continuous improvements to support your success

All About Magnetic Materials

1. Magnetic Material Categories

Among many kinds of magnetic materials, permanent magnets and soft magnets are the two major categories. Permanent magnets are strong, and soft magnets are not. This article mainly focuses on permanent magnets.
  • NdFeB material: The most powerful magnetic material, cost-effective, widely used, working temperature from 80°C to 230°C.
  • Ferrite/ceramic material: low price, moderate magnetic strength, but excellent working temperature and corrosion resistance, and generally not plated.
  • Samarium-cobalt magnet: high price, high coercive force, and working temperature, but often replaced by NdFeB. Compared with NdFeB neodymium magnets, SmCo is more suitable for working in high-temperature environments.
  • AlNiCo magnet: AlNiCo permanent magnet material has the highest working temperature with excellent stability, but low coercive force and easily demagnetized if not handled with care.

2. Strongest magnetic materials

NdFeB neodymium magnet has the highest magnetic strength.

3. Magnetic materials in stators

The magnets in the stator are mainly NdFeB tile magnet and ferrite/ceramic tile magnet.

4. Magnetic materials in Motor 

There are many kinds of magnets used in the motor. Depending on the specific applications, permanent magnets are mainly used including sintered NdFeB, bonded NdFeB, pressed NdFeB and ferrite/ceramic magnets. 

5. Applications of magnetic products

Ferrite/ceramic and neodymium magnets are the most commonly used for all kinds of applications. For example, speakers use ferrite/ceramic and NdFeB magnets, and motors use tile ferrite/ceramic magnets Y30 or Y30BH, as well as NdFeB tiles with the working temperature of 120-180°C.

6. strong magnetic material is fragile

Magnets are powder metallurgy, and the stronger the magnet is, the more brittle and fragile. NdFeB neodymium magnet, the strongest magnet, whether sintered or bonded, can be easily broken when handled improperly. 

Related News
  • Application of Rare Earth Permanent Magnet Materials in Micro Motors (1)

    Application of Rare Earth Permanent Magnet Materials in Micro Motors (1)

    January 27, 2021Motors, transmissions and generators excited by permanent magnet materials work based on Faraday's law and Lorentz force. The magnetic properties of permanent magnet materials are remanence, coercivit...view
  • Surface treatment and coating of sintered NdFeB

    Surface treatment and coating of sintered NdFeB

    November 23, 2020Sintered NdFeB permanent magnet is manufactured by powder metallurgy technology. It is a type of powder material with very strong chemical activity. There are tiny pores and cavities inside, which are...view
  • New Generation of Magnetic Brackets

    New Generation of Magnetic Brackets

    January 27, 2021When a certain kind of magnet is used to provide energy to the other party, the magnet forms a "HMS" (High Mode Magnetic Generator). There are two common ways to construct these generators, one is to ...view
  • Development and Application of Magnetic Material

    Development and Application of Magnetic Material

    August 6, 2019As a key functional material, magnetic material is the foundation of industrial manufacturing. In recent years, the automobile industry has gradually expanded and become the main driving force of the...view