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July 19, 2013

How to Choose Permanent Magnet Materials

Each permanent magnet material discussed above has its own pros and cons. How to choose the right one for your particular application is a challenge to any user. A balance between cost and performance must be ...
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July 19, 2013

An Introduction of Permanent Magnet Materials

Permanent magnets are used in the following major groups: acoustic transducers, motors and generators, magneto mechanical devices, and magnetic field and imaging systems. You will find permanent magnets in many products, such as televisions, telephones, computers, ...
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July 19, 2013

Pole Naming Conventions

The north pole of the magnet is the pole which, when the magnet is freely suspended, points towards the Earth’s north magnetic pole in northern Canada. Since opposite poles (north and south) attract whereas like poles ...
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July 19, 2013

Magnetic moment

A magnet’s magnetic moment (also called magnetic dipole moment, and usually denoted μ) is a vector that characterizes the magnet’s overall magnetic properties. For a bar magnet, the direction of the magnetic moment points from the ...
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July 19, 2013

Magnetic field

The magnetic field (usually denoted B) is called a field because it has a value at every point in space. The magnetic field (at a given point) is specified by two properties:(1) its direction, which is ...
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July 19, 2013

NdFeB magnets are currently the most powerful magnets

Neodymium (also known as: Neo, NIB, NdFeB or rare earth) magnets are simply the best value, most powerful and fascinating magnets money can buy. NdFeB magnets are approximately 10x stronger than their ceramic counterparts. This means ...
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July 19, 2013

Comparisons between Neodymium Iron Boron magnets and Samarium Cobalt magnets

Neodymium Iron Boron magnets have some advantages over Samarium Cobalt magnets. Neodymium Iron Boron magnets are less expensive, since the main elements Nd and Fe are abundant, and are mechanically stronger. High energy products can be ...
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July 19, 2013

Magnetic metallic elements

Many materials have unpaired electron spins, and the majority of these materials are paramagnetic. When the spins interact with each other in such a way that the spins align spontaneously, the materials are called ferromagnetic (what ...
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