lexicon

  • Adhesion

    The term adhesion is derived from the Latin word adhaerere (in English "adhere").

  • adhesive force

  • Air gap

    In the technical sense, an air gap describes an area in the iron core of an electromagnet that is often filled with air.

  • AlNiCo

    AlNiCo is a material used for the production of magnets. It consists of aluminum, nickel and cobalt.

  • Aluminum-nickel-cobalt

    AlNiCo magnets are permanent magnets based on an aluminum-nickel-copper alloy. Additionaly parts of metals such iron, copper or titanium are added to the alloy.

  • Attractions and repulsive forces of a magnet

    Tiny circular currents at the atomic level are responsible in a permanent magnet for exerting a magnetic force. It is so strong even with small magnets that you can clearly feel them.

  • Barkhausen-Effect

    The Barkhausen-Effect describes the discontinuous change in the magnetization of ferromagnetic materials, which are in a constantly changing, external magnetic field.

  • Bloch-Walls

    The Bloch walls form a transition between the Weiss districts with their differently oriented electron spins.

  • Coating

    Magnets are often coated. There are several options for this.

  • Coercive force

    Magnetic coercivity is the magnetic field strength necessary to completely demagnetize a ferromagnetic substance.

  • Components of a magnet

  • Curie constant

    By means of the Curie constant, the magnetic attraction of a substance as a function of the temperature can be determined.

  • Curie temperature

    The temperature at which a ferromagnetic becomes paramagnetic is called the Curie temperature.

  • Demagnetise permanent magnet

    Bodies made of ferromagnetic materials are not only attracted by magnets, but can also experience magnetization themselves when they are touched.

  • Diamagnetism

    Diamagnetism, together with para and ferromagnetism, describes various magnetic properties of matter.

  • Diametral

    The magnetization parallel to the diameter is called diametrical magnetization.

  • Dipole

    A single charge that emits an electric field is called a monopoly. In contrast, a dipole is understood to mean the physical arrangement of two opposite charges (positive and negative).

  • Electrodynamics

    Classical electrodynamics deals with moving electric charges as well as the associated electric and magnetic fields.

  • Electromagnetism

    Electromagnetism is one of the fundamental forces of physics and has been intensively researched since its discovery by the physicist Oersted and later Michael Faraday and James Clerk Maxwell.

  • Electron spin

    Electrons are negatively charged elementary particles. In addition to their mass and their electrical charge, they have a third important property: the electron spin.

  • Elementary magnets

    The elementary magnets in a magnetizable body such as iron provide us with the familiar magnetizability.

  • Energy product

    The energy product results from the magnetic flux density and the magnetic field strength of a magnet.

  • Exchange interaction

    The phenomenon of quantum-mechanical exchange interaction explains how the particles behave inside the atom.

  • Ferri- and antiferromagnetism

    Ferrimagnetism and antiferromagnetism are two magnetic properties of materials. In contrast to antiferromagnetic materials, ferrimagnetic materials are strongly attracted to a magnetic field. Paramagnetism, ferromagnetism and diamagnetism are other magnetic properties of matter.

  • Field lines

    In physics, magnetic lines are the lines that graphically represent the course of a magnetic field and thus the force and properties of a magnet.

  • Gauss

    Gauss is a unit of magnetic flux density.

  • Gauss unit

    The unit Gauss indicates the magnetic flux density. It was named after the well-known mathematician Johann Friedrich Gauss.

  • Hall probes

    Devices that can be used to measure magnetic fields are called Hall probes or Hall sensors.

  • Hysteresis

    What exactly is the hysteresis? - The effect of hysteresis simply explained

  • Iron core

    As additional components in current-carrying induction coils and transformers, iron cores can increase the voltage.

  • Lines of force

    Magnetic lines of force - according to the dictionary also field lines or magnetic field lines - are linear structures that depict the flow within a magnetic field.

  • Magnet

    Magnets are an integral part of our everyday life. You come across us in various shapes, colors or sizes and are used for very different purposes

  • Magnet demagnetize temperature

    With the help of external influences such as temperature increases or vibrations, it is possible to demagnetize magnets.

  • Magnet production

    In this post, you will learn all the necessary steps for producing magnets.

  • Magnetic energy

    Every magnetic field contains energy, also called magnetic energy. She is a constant in physics. Because a magnetic field is generated by electric currents, the magnetic energy is an energy form of moving charge carriers (electrons).

  • Magnetic field

    If magnetic forces are detected, the cause is a so-called magnetic field.

  • Magnetic flux density

    The magnetic flux density is defined as the density of the field lines.

  • Magnetic Influence

    By definition, magnetic induction describes a phenomenon in which an external magnetic field acts on a body and magnetizes it for a certain period of time.

  • Magnetic material

    In our dictionary you will find an overview of all available magnetic materials.

  • Magnetic North Pole

    The magnetic north pole is located where the magnetic field lines of the earth's magnetic field enter the Earth's interior vertically to the earth's surface and therefore does not lie on the geographic North Pole.

  • Magnetic polarization

    Magnetic polarization is a physical quantity. It relates to the electrodynamics of macroscopic matter and characterizes the magnetic flux density of a magnetic material in a vacuum when the proportion of the magnetic field is subtracted.

  • Magnetic saturation

    The maximum possible magnetization of a material is called saturation magnetization.

  • Magnetic shielding

    Magnetic shielding describes a process in which a magnetic field is excluded from a specific area by deliberately redirecting its field lines.

  • Magnetic substances

    Magnetic fields have an effect on all materials. However, not all materials act on magnets with the same intensity or are influenced by them in the same way.

  • Magnetic tension

    In electrodynamics, the term "magnetic stress" or "magnetic flux" is to be understood as a measure describing the excitatory force of the magnetic field strength.

  • Magnetism

    Magnetism is generally understood as an invisible physical force that acts on matter.

  • Magnetization

    The magnetization magnetizes material that was previously non-magnetic.

  • Maxwell equations

    The Maxwell equations combine all valid formulas for magnetic fields in one theory.

  • Monopoly

    The rule applies in physics: A magnet always consists of a north and a south pole. Two opposite charges form a so-called dipole moment.

  • Multipole

    Once there are multiple charge distributions, it's a multipole

  • NdFeB

    NdFeB is a material used for the production of magnets. The material consists of neodymium, iron and boron.

  • Néel temperature

    When an antiferromagnet reaches its transition temperature, it becomes a paramagnet. The Néel temperature describes the phenomenon.

  • Neodymium

    NdFeB is a material used for the production of magnets. The material consists of neodymium, iron and boron.

  • Nikola Tesla

    The physicist and electrical engineer Nikola Tesla has made many groundbreaking inventions. More in the dictionary!

  • North pole and south pole of magnets

    These are the respective ends, which are also collectively called magnetic poles. Both a magnetic north pole and a magnetic south pole are also present in the earth's magnetic field.

  • Oersted

    The unit Oersted is used to measure magnetic fields (Unit H).

  • Operating temperature

    The maximum temperature a magnet can withstand before it loses its magnetic properties.

  • Paramagnetism

    Materials associated with paramagnetism require an external magnetic field for magnetization.

  • Pauli principle

    The Pauli Principle is a law in the field of quantum physics.

  • Permanent magnet

    A permanent magnet (also called a permanent magnet) is a material from which a magnetic force always emanates.

  • Permeability

    According to the definition, magnetic permeability is a physical unit that has the formula symbol µ. It is similar to susceptibility and indicates how permeable a material is to the magnetic flux density.

  • Physical Properties of Neodymium Magnets

    Physical properties of neodymium magnets can be found in our glossary!

  • Quality

    The quality or magnetic quality is an indicator of the energy content of a magnet.

  • Reinforce magnets

    Magnets can be reinforced in different ways. For example, you can increase the number of magnets used and combine their magnetic fields into a stronger field.

  • Remanence

    The term remanence, or remanent flux density, refers to the magnetization of a ferromagnetic substance after switching off the external magnetic field.

  • Right-hand rule

    The right-hand rule (or three-finger rule) is an aid that illustrates vectors within a three-dimensional coordinate system.

  • Ring magnet

    Ring magnets can be made of ferrite or neodymium or NdFeB (neodymium-iron-boron) and, like most magnets, have a nickel-plated coating to protect against oxidation. On the basis of their outside and inside diameter as well as the height they can be characterized more accurately and give information about adhesion, strength and Co.

  • Samarium cobalt

    Samarium cobalt (SmCo) enables strong permanent magnets with high energy density and high operating temperature.

  • Santoprene ®

    Depending on their nature, plastics can be divided into different types. The most important differentiation criteria include formability, hardness, and elasticity, breaking strength as well as temperature and heat resistance.

  • SmCo

    Samarium cobalt (SmCo) enables strong permanent magnets with high energy density and high operating temperature.

  • Spins

    In physics, the own angular momentum of individual particles is called "spin" (in English "rotation"). This is a quantum mechanical theory.

  • Superconductors

    The ohmic resistance of a superconductor is zero.

  • Susceptibility

    The word susceptibility comes from the Latin: susceptibilitas ‘for transferability’ and describes a physical quantity without unit, with which the magnetizability of matter within the magnetic flux density can be specified.

  • Tesla (unit)

    Tesla is a unit of magnetic flux density.

  • White districts

    In magnetism, the term "delimited areas" of Weiss's districts (or white districts) is defined as having the same polarization.