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Adhesion
The term adhesion is derived from the Latin word adhaerere (in English "adhere").
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AlNiCo
AlNiCo is a material used for the production of magnets. It consists of aluminum, nickel and cobalt.
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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.
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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.
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Barkhausen-Effect
The Barkhausen-Effect describes the discontinuous change in the magnetization of ferromagnetic materials, which are in a constantly changing, external magnetic field.
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Bloch-Walls
The Bloch walls form a transition between the Weiss districts with their differently oriented electron spins.
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Coating
Magnets are often coated. There are several options for this.
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Coercivity
Magnetic coercivity is the magnetic field strength necessary to completely demagnetize a ferromagnetic substance.
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Curie constant
By means of the Curie constant, the magnetic attraction of a substance as a function of the temperature can be determined.
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Curie temperature
The temperature at which a ferromagnetic becomes paramagnetic is called the Curie temperature.
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Diamagnetism
Diamagnetism, together with para and ferromagnetism, describes various magnetic properties of matter.
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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).
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Electrodynamics
Classical electrodynamics deals with moving electric charges as well as the associated electric and magnetic fields.
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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.
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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.
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Elementary magnets
The elementary magnets in a magnetizable body such as iron provide us with the familiar magnetizability.
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Energy product
The energy product results from the magnetic flux density and the magnetic field strength of a magnet.
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Exchange interaction
The phenomenon of quantum-mechanical exchange interaction explains how the particles behave inside the atom.
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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.
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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.
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Gauss
Gauss is a unit of magnetic flux density.
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Gauss unit
The unit Gauss indicates the magnetic flux density. It was named after the well-known mathematician Johann Friedrich Gauss.
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Hall probes
Devices that can be used to measure magnetic fields are called Hall probes or Hall sensors.
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Hysteresis
What exactly is the hysteresis? - The effect of hysteresis simply explained
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Iron core
As additional components in current-carrying induction coils and transformers, iron cores can increase the voltage.
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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
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Magnet demagnetize temperature
With the help of external influences such as temperature increases or vibrations, it is possible to demagnetize magnets.
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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.
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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).
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Magnetic field
If magnetic forces are detected, the cause is a so-called magnetic field.
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Magnetic flux density
The magnetic flux density is defined as the density of the field lines.
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Magnetic material
In our dictionary you will find an overview of all available magnetic materials.
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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.
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Magnetic saturation
The maximum possible magnetization of a material is called saturation magnetization.
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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.
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Magnetism
Magnetism is generally understood as an invisible physical force that acts on matter.
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Magnetization
The magnetization magnetizes material that was previously non-magnetic.
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Magnetization direction - How are the magnets magnetized?
On which sides are the poles on? Where are the magnetic poles, or how are the different magnets magnetized?
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Maxwell equations
The Maxwell equations combine all valid formulas for magnetic fields in one theory.
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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.
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Multipole
Once there are multiple charge distributions, it's a multipole
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NdFeB
NdFeB is a material used for the production of magnets. The material consists of neodymium, iron and boron.
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Neodymium
NdFeB is a material used for the production of magnets. The material consists of neodymium, iron and boron.
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Nikola Tesla
The physicist and electrical engineer Nikola Tesla has made many groundbreaking inventions. More in the dictionary!
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Néel temperature
When an antiferromagnet reaches its transition temperature, it becomes a paramagnet. The Néel temperature describes the phenomenon.
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Oersted
The unit Oersted is used to measure magnetic fields (Unit H).
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Operating temperature
The maximum temperature a magnet can withstand before it loses its magnetic properties.
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Paramagnetism
Materials associated with paramagnetism require an external magnetic field for magnetization.
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Pauli principle
The Pauli Principle is a law in the field of quantum physics.
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Permanent magnet
A permanent magnet (also called a permanent magnet) is a material from which a magnetic force always emanates.
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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.
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Physical Properties of Neodymium Magnets
Physical properties of neodymium magnets can be found in our glossary!
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Quality
The quality or magnetic quality is an indicator of the energy content of a magnet.
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Remanence
The term remanence, or remanent flux density, refers to the magnetization of a ferromagnetic substance after switching off the external magnetic field.
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Right-hand rule
The right-hand rule (or three-finger rule) is an aid that illustrates vectors within a three-dimensional coordinate system.
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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.
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Samarium cobalt
Samarium cobalt (SmCo) enables strong permanent magnets with high energy density and high operating temperature.
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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.
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SmCo
Samarium cobalt (SmCo) enables strong permanent magnets with high energy density and high operating temperature.
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Spins
In physics, the own angular momentum of individual particles is called "spin" (in English "rotation"). This is a quantum mechanical theory.
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Superconductors
The ohmic resistance of a superconductor is zero.
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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.
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Tesla (unit)
Tesla is a unit of magnetic flux density.
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White districts
In magnetism, the term "delimited areas" of Weiss's districts (or white districts) is defined as having the same polarization.
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adhesive force