Permanent magnets

Permanent magnets, also Permanent magnets are usually made of alloys such as barium-ferrite, neodymium-iron-boron, samarium-cobalt or aluminium-nickel-cobalt and are produced in the Sintering process pressed into geometric shapes such as blocks, discs or rings. After shaping, the magnet, which has not yet been magnetised, is given its magnetic shot, in which it is exposed to a strong magnetic field. It is then permanently magnetised.

Permanent magnets - explanation & functions

Permanent magnets, also Permanent magnets are usually made of alloys such as barium-ferrite, neodymium-iron-boron, samarium-cobalt or aluminium-nickel-cobalt and are produced in the Sintering process pressed into geometric shapes such as blocks, discs or rings. After shaping, the magnet, which has not yet been magnetised, is given its magnetic shot, in which it is exposed to a strong magnetic field. It is then permanently magnetised.
Picture of Markus Freudenthaler
Markus Freudenthaler

Internal sales at
magnet.works

Note on our services

The content, projects and services presented on this website merely represent a selection of our work. They serve as examples and do not provide a complete overview of our range of services.

  • SmCo magnets (samarium and cobalt) are characterised by high adhesive force and high temperature resistance. They are manufactured using a sintering process. SmCo magnets have a high coercive field strength, they are very difficult to demagnetise and SmCo magnets are also particularly corrosion-resistant. The temperature resistance of SmCo magnets is up to +350°C. Like all permanent magnets, SmCo magnets are hard and brittle and therefore sensitive to impact.

  • SmCo magnets (samarium and cobalt) are characterised by high adhesive force and high temperature resistance. They are manufactured using a sintering process. SmCo magnets have a high coercive field strength, they are very difficult to demagnetise and SmCo magnets are also particularly corrosion-resistant. The temperature resistance of SmCo magnets is up to +350°C. Like all permanent magnets, SmCo magnets are hard and brittle and therefore sensitive to impact.

  • SmCo magnets (samarium and cobalt) are characterised by high adhesive force and high temperature resistance. They are manufactured using a sintering process. SmCo magnets have a high coercive field strength, they are very difficult to demagnetise and SmCo magnets are also particularly corrosion-resistant. The temperature resistance of SmCo magnets is up to +350°C. Like all permanent magnets, SmCo magnets are hard and brittle and therefore sensitive to impact.

  • NdFeB magnets (neodymium, iron and boron) are characterised by maximum adhesive force at a good price-performance ratio. They are manufactured using a sintering process. NdFeB magnets have a high coercive field strength and are very difficult to demagnetise. The temperature resistance of standard NdFeB magnets is +80°C, but with the right alloy compositions, resistances of up to +250°C can be achieved. Like all permanent magnets, NdFeB magnets are hard and brittle and therefore sensitive to impact.

  • NdFeB magnets (neodymium, iron and boron) are characterised by maximum adhesive force at a good price-performance ratio. They are manufactured using a sintering process. NdFeB magnets have a high coercive field strength and are very difficult to demagnetise. The temperature resistance of standard NdFeB magnets is +80°C, but with the right alloy compositions, resistances of up to +250°C can be achieved. Like all permanent magnets, NdFeB magnets are hard and brittle and therefore sensitive to impact.

  • NdFeB magnets (neodymium, iron and boron) are characterised by maximum adhesive force at a good price-performance ratio. They are manufactured using a sintering process. NdFeB magnets have a high coercive field strength and are very difficult to demagnetise. The temperature resistance of standard NdFeB magnets is +80°C, but with the right alloy compositions, resistances of up to +250°C can be achieved. Like all permanent magnets, NdFeB magnets are hard and brittle and therefore sensitive to impact.

  • NdFeB magnets (neodymium, iron and boron) are characterised by maximum adhesive force at a good price-performance ratio. They are manufactured using a sintering process. NdFeB magnets have a high coercive field strength and are very difficult to demagnetise. The temperature resistance of standard NdFeB magnets is +80°C, but with the right alloy compositions, resistances of up to +250°C can be achieved. Like all permanent magnets, NdFeB magnets are hard and brittle and therefore sensitive to impact.

  • NdFeB magnets (neodymium, iron and boron) are characterised by maximum adhesive force at a good price-performance ratio. They are manufactured using a sintering process. NdFeB magnets have a high coercive field strength and are very difficult to demagnetise. The temperature resistance of standard NdFeB magnets is +80°C, but with the right alloy compositions, resistances of up to +250°C can be achieved. Like all permanent magnets, NdFeB magnets are hard and brittle and therefore sensitive to impact.

  • AlNiCo magnets (aluminium, nickel and cobalt) are characterised by high temperature resistance combined with high magnetic force. As with other permanent magnets, they are manufactured using a sintering process. Another special feature of AlNiCo magnets is that they are particularly resistant to corrosion. However, they can also be demagnetised more easily than other magnet materials.

  • AlNiCo magnets (aluminium, nickel and cobalt) are characterised by high temperature resistance combined with high magnetic force. As with other permanent magnets, they are manufactured using a sintering process. Another special feature of AlNiCo magnets is that they are particularly resistant to corrosion. However, they can also be demagnetised more easily than other magnet materials.

  • Rod grippers are magnetic systems in a cylindrical housing. This housing is made of either galvanised steel or brass. Version with neodymium, AlNiCo or SmCo magnet.

  • Rod grippers are magnetic systems in a cylindrical housing. This housing is made of either galvanised steel or brass. Version with neodymium, AlNiCo or SmCo magnet.

Permanent magnets - Overview

Stability The properties of a permanent magnet guarantee permanent magnetic force.
Heat resistance Certain magnets are suitable for high temperatures up to +450°C.
Efficiency For the same size, the permanent magnet has a higher field line density than the electromagnet.
Variety of applications A permanent magnet can be used in many different ways: from a simple raw magnet to a complex magnetic system.
Adaptability Permanent magnets allow different types of magnetisation to meet the requirements of different applications.

The permanent magnet (permanent magnet) at a glance

The so-called permanent magnet is characterised by a Permanent magnetic force without the need for an external power supply. As long as a permanent magnet is not permanently exposed to high temperatures, is not subjected to mechanical damage, e.g. by impact, and is not exposed to very strong magnetic fields, the permanent magnet retains its magnetic force permanently.


In almost all industries permanent magnets can be found. From everyday products to technical applications and healthcare, permanent magnets can be found everywhere.

What are permanent magnets?

Permanent magnets, often known as Permanent magnets are characterised by their constant and unchanging magnetic force. They are made from special alloys that have the property of being magnetic, Permanently magnetised to stay.

A key feature of permanent magnets is that once they are magnetised, they can be used as a magnet for other applications, do not require an external power supply, to maintain their magnetic field, making them an energy-efficient option in many applications.

This constant magnetic force has both Advantages and disadvantages:

  • On the one hand, due to their Simplicity and reliability popular in many areas of application.
  • Permanent magnets are used in everyday objects such as loudspeakers, sensors and in electric motors.
  • On the other hand, their immutability means that they are not suitable for applications, where a variable magnetic force is required.
  • You can not like electromagnets can be controlled or switched off, which limits their usability in dynamic or highly regulated environments.

In spite of these limitations, permanent magnets are still Durability and maintenance-free ideal for many long-term applications. They offer constant performance without additional energy consumption, making them a cost-effective and sustainable solution in many areas.

Their use ranges from simple household appliances to highly sophisticated technologies in the aerospace industry - which emphasises their versatility and Importance in the modern world of technology.

What permanent magnets are available?

The most common Permanent magnet materials are:

  • Ferrite magnets
  • NdFeB magnets (neodymium)
  • AlNiCo magnets
  • SmCo magnets

Properties of permanent magnets

  • The permanent magnet has a constant and permanent magnetic force.
  • Customised design possible: Block magnets, ring magnets, round magnets or special shapes.
  • Magnetic force Targeted steering by means of bonded magnet systems.
  • Different magnetic materials can be combine, to achieve certain properties that can be used in magnetic chucks or electro-permanent lifting magnets, for example.
  • To the Protection of painted surfaces, permanent magnets can rubberised or overmoulded with plastic.

Areas of application for permanent magnets in industry

Permanent magnets, also known as permanent magnets, are used in a wide range of applications. They are used in everyday devices such as mobile phones, loudspeakers and microphones. They are also used in numerous industrial applications used, for example, to switch sensors or hold objects securely in position.

Also in the Healthcare the power of permanent magnets is utilised to achieve positive effects on the human body. In Electric motors they contribute to improving energy efficiency.

In the area of the Recycling and separation technology the forces from the magnetic field of a permanent magnet are also used to effectively separate and recycle materials.