Understanding different types of magnetic materials

Magnets are objects that generate a magnetic field, a force-field that either pulls or repels certain materials, such as nickel and iron, but what are magnets made of and what are the different types of magnets? Written by a magnet manufacturer, here is everything you need to know about the types of magnets and their strengths and uses.

What Are the Different Types of Magnets?

Of course, not all magnets are composed of the same elements, and thus can be broken down into categories based on their composition and source of magnetism. Permanent magnets are magnets that retain their magnetism once magnetized. Temporary magnets are materials magnets that perform like permanent magnets when in the presence of a magnetic field, but lose magnetism when not in a magnetic field. Electromagnets are wound coils of wire that function as magnets when an electrical current is passed through. By adjusting the strength and direction of the current, the strength of the magnet is also altered.

Neodymium Iron Boron Magnet (NdFeB)

This type of magnets is composed of rare earth magnetic material and has a high coercive force. They have an extremely high energy product range, up to 50 MGOe. Because of this high product energy level, they can usually be manufactured to be small and compact in size. However, NdFeB magnets have low mechanical strength, tend to be brittle, and low corrosion-resistance if left uncoated. If treated with gold, iron, or nickel plating, they can be used in many applications. They are very strong magnets and are difficult to demagnetize.

Samarium Cobalt Magnet (SmCo)

Like NdFeB magnets, SmCo magnets are also very strong and difficult to demagnetize. They are also highly oxidation-resistant and temperature resistant, withstanding temperatures up to 300 degrees Celsius. Two different groups of SmCo magnets exist, divided based on their product energy range. The first series (Sm1Co5) has an energy product range of 15-22 MGOe. The second series (Sm2Co17) has a range that falls between 22 and 30 MGOe. However, they can be expensive and have low-mechanical strength.

Alnico Magnet

Alnico magnets get their name from the first two letters of each of three main ingredients: aluminium, nickel, and cobalt. Although they feature good temperature resistance, they can easily be demagnetized and are sometimes replaced by ceramic and rare earth magnets in certain applications. They can be produced by either sintering or casting, with each process yielding different magnet characteristics. Sintering produces enhanced mechanical traits. Casting results in higher energy products and enables the magnets to achieve more complicated design features.

Ceramic Magnet

Comprised of sintered iron oxide and barium or strontium carbonate, ceramic or ferrite permanent magnets are typically inexpensive and easily produced, either through sintering or pressing. However, because these magnets tend to be brittle, they require grinding using a diamond wheel. They are one of the most commonly used types of magnet, and are strong and is not easy to demagnetize.

Electromagnets

Electromagnets are made by winding a wire into multiple loops around a core material this formation is known as a solenoid. To magnetize electromagnets, an electrical current is passed through the solenoid to create a magnetic field. The field is strongest on the inside of the coil, and the strength of the field is proportionate to the number of loops and the strength of the current.

The electromagnet core material at the centre of the coil (the core of the solenoid) can also affect the strength of an electromagnet. If a wire is wrapped around a nonmagnetic material, such as a piece of wood, the overall magnetic field will not be very strong. However, if the core is composed of ferromagnetic material, such as iron, the strength of the magnet will dramatically increase. So why is an electromagnet classified as a temporary magnet? Because when the power from the battery ceases, so does the current, and the magnetic field disappears.

  • 4d toto macau
  • bandar togel
  • bo togel
  • bo togel
  • bandar togel
  • agen togel terpercaya
  • bandar togel terpercaya
  • dingdong togel
  • bandar togel online terpercaya
  • situs agen togel online
  • agen togel online terpercaya
  • bandar togel terbaik dan terpercaya
  • situs agen togel online
  • situs judi togel online
  • situs agen togel terpercaya
  • situs togel
  • daftar bandar togel online terpercaya
  • situs agen togel resmi
  • daftar bandar togel online terpercaya
  • daftar bandar togel online
  • situs agen togel terpercaya
  • situs agen togel online
  • agen togel resmi di indonesia
  • situs agen judi togel
  • situs togel
  • daftar bandar togel terbesar dan terpercaya
  • situs slot
  • bo togel online terpercaya
  • agen togel
  • bandar togel lengkap terbesar
  • togel online
  • bo togel terpercaya dan terbesar
  • aftar situs slot online
  • agen judi togel online
  • nama situs togel terpercaya
  • judi slot online
  • situs togel resmi toto
  • 10 situs togel terpercaya
  • situs togel resmi toto
  • bandar togel online
  • situs togel online terpercaya
  • situs judi togel resmi
  • situs judi togel online
  • bandar togel china resmi
  • bandar togel terpercaya
  • situs bandar togel toto online
  • situs judi togel 4d resmi
  • bandar togel hadiah 4d 10 juta
  • situs togel terbaik dan terpercaya
  • agen togel resmi di indonesia
  • bandar togel toto hongkong
  • bo togel bonus new member terbesar
  • situs slot deposit pulsa tanpa potongan
  • bo togel resmi di indonesia
  • daftar bandar togel terbesar dan terpercaya
  • situs judi togel online
  • agen bandar togel toto online
  • bandar lotre togel online
  • situs judi slot terbaik
  • situs togel resmi toto
  • bandar togel cambodia resmi
  • situs bo togel resmi
  • bandar togel hadiah 4d 10 juta terpercaya
  • bandar togel online terpercaya
  • agen bandar togel online
  • bo slot online terbaik
  • bandar togel online terbesar
  • bandar togel terpercaya dan terbesar
  • 10 situs togel terpercaya resmi
  • bandar togel terpercaya dan resmi
  • situs togel resmi dan terpercaya
  • situs bandar lotre togel
  • keluaran togel cambodia
  • situs togel online
  • situs agen togel online
  • bandar judi togel online
  • agen bandar togel online
  • situs togel terbaik
  • agen togel online terbesar
  • situs togel terpercaya dan terbesar
  • agen togel
  • bandar togel terbesar
  • situs judi slot
  • agen togel
  • daftar bandar togel terbesar dan terpercaya
  • bandar togel
  • situs togel
  • situs slot
  • bandar togel
  • slot resmi
  • Bandar Judi Togel Hari Ini Online24Jam Terpercaya 2022
  • bo togel
  • toto togel
  • togel deposit pulsa
  • togel hongkong
  • togel online
  • situs togel
  • situs bandar togel online terpercaya
  • bandar togel
  • agen togel terpercaya
  • situs togel
  • nama toto togel
  • togel online
  • togel online
  • situs togel
  • agen togel resmi
  • agen togel
  • situs togel
  • bandar togel
  • bandar togel
  • togel online
  • asia togel
  • situs togel
  • situs togel
  • situs togel
  • toto togel
  • togel online
  • bandar togel
  • agen togel
  • daftar togel
  • bandar togel
  • agen togel
  • situs togel online
  • situs togel
  • bandar togel
  • bandar togel
  • situs togel terpercaya
  • agen togel
  • situs judi togel
  • situs togel
  • agen togel
  • bandar togel
  • situs togel
  • situs togel
  • bo togel
  • agen togel
  • toto togel
  • bo togel
  • situs togel terpercaya
  • situs bandar togel
  • agen togel terpercaya
  • 5 bandar togel terpercaya
  • bo togel resmi
  • agen togel
  • situs togel online
  • situs togel resmi
  • daftar bandar togel
  • situs agen togel resmi
  • 4d toto macau
  • bandar togel
  • bo togel
  • 10 situs togel terpercaya
  • bandar togel
  • agen togel terpercaya
  • bandar togel terpercaya
  • dingdong togel
  • bandar togel online terpercaya
  • situs agen togel online
  • agen togel online terpercaya
  • bandar togel terbaik dan terpercaya
  • situs agen togel online
  • situs judi togel online
  • situs agen togel terpercaya
  • situs togel
  • daftar bandar togel online terpercaya
  • situs agen togel resmi
  • daftar bandar togel online terpercaya
  • daftar bandar togel online
  • situs agen togel terpercaya
  • situs agen togel online
  • agen togel resmi di indonesia
  • situs agen judi togel
  • daftar bandar togel terbesar dan terpercaya
  • situs slot
  • bo togel online terpercaya
  • agen togel
  • bandar togel lengkap terbesar
  • togel online
  • bo togel terpercaya dan terbesar
  • aftar situs slot online
  • agen judi togel online
  • nama situs togel terpercaya
  • judi slot online
  • situs togel resmi toto
  • 10 situs togel terpercaya
  • situs togel resmi toto
  • bandar togel
  • situs togel online terpercaya
  • situs judi togel resmi
  • situs judi togel online
  • bandar togel china resmi
  • bandar togel terpercaya
  • situs bandar togel toto online
  • situs judi togel 4d resmi
  • bandar togel hadiah 4d 10 juta
  • situs bandar togel
  • agen togel resmi di indonesia
  • bandar togel toto hongkong
  • bo togel bonus new member terbesar
  • situs slot deposit pulsa tanpa potongan
  • bo togel resmi di indonesia
  • daftar bandar togel terbesar dan terpercaya
  • situs judi togel online
  • agen bandar togel toto online
  • bandar lotre togel online
  • situs judi slot terbaik
  • situs togel resmi toto
  • bandar togel cambodia resmi
  • situs bo togel resmi
  • bandar togel hadiah 4d 10 juta terpercaya
  • agen bandar darat togel
  • agen bandar togel online
  • bo slot online terbaik
  • bandar togel online terbesar
  • bandar togel terpercaya dan terbesar
  • 10 situs togel terpercaya resmi
  • bandar togel terpercaya dan resmi
  • situs togel resmi dan terpercaya
  • situs bandar lotre togel
  • togel online
  • situs togel online
  • situs agen togel online
  • bandar judi togel online
  • agen bandar togel online
  • situs togel resmi
  • agen togel online terbesar
  • situs togel terpercaya dan terbesar
  • agen togel
  • bandar togel hadiah 4d 10 juta
  • situs judi slot
  • agen togel
  • daftar bandar togel terbesar dan terpercaya
  • bandar togel
  • situs togel
  • situs slot
  • bandar togel
  • slot resmi
  • Bandar Judi Togel Hari Ini Online24Jam Terpercaya 2022
  • bo togel
  • toto togel
  • togel deposit pulsa
  • togel hongkong
  • togel online
  • situs togel
  • situs bandar togel online terpercaya
  • bandar togel
  • agen togel terpercaya
  • situs togel
  • nama toto togel
  • togel online
  • togel online
  • situs togel
  • agen togel resmi
  • agen togel
  • situs togel
  • bandar togel
  • bandar togel
  • togel online
  • asia togel
  • situs togel
  • situs togel
  • situs togel
  • toto togel
  • togel online
  • bandar togel
  • agen togel
  • daftar togel
  • bandar togel
  • agen togel
  • situs togel online
  • situs togel
  • bandar togel
  • bandar togel
  • situs togel terpercaya
  • agen togel
  • situs judi togel
  • situs togel
  • agen togel
  • bandar togel
  • bo togel
  • bo togel
  • toto togel
  • bo togel
  • situs togel terpercaya
  • situs bandar togel
  • agen togel terpercaya
  • bo togel resmi
  • situs togel online
  • situs togel resmi
  • daftar bandar togel
  • situs agen judi togel
  • agen bandar togel
  • 5 bandar togel terpercaya
  • agen togel
  • bandar togel terpercaya
  • 10 situs togel terpercaya
  • situs agen togel resmi
  • situs agen togel resmi
  • bo togel online
  • situs togel
  • situs togel
  • situs agen togel
  • situs togel online
  • agen togel online
  • bandar togel terpercaya
  • toto togel
  • situs togel terpercaya
  • 5 bandar togel terpercaya
  • agen bandar togel resmi
  • situs togel terpercaya
  • bandar togel terpercaya
  • situs togel terpercaya
  • bo toto togel
  • situs resmi pasang togel
  • situs togel online
  • situs togel terpercaya
  • agen togel
  • situs judi togel online
  • situs togel terpercaya
  • situs togel
  • situs bo togel
  • bandar togel terpercaya
  • agen togel resmi
  • bandar togel terpercaya
  • daftar togel via dana
  • situs togel terpercaya
  • situs togel resmi
  • situs togel terpercaya