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July 19, 2013

Rare earth magnet

Rare earth magnets are strong permanent magnets made from alloys of rare earth elements. Developed in the 1970s and 80s, rare-earth magnets are the strongest type of permanent magnets made, substantially stronger than ferrite or alnico ...
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July 19, 2013

Fields of a magnet

Far away from a magnet, the magnetic field created by that magnet is almost always described (to a good approximation) by a dipole field characterized by its total magnetic moment. This is true regardless of the ...
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July 19, 2013

SmCo Magnets’ Composition, Series and Types

Besides the NdFeB magnets, the SmCo magnet is another type of Rare-earth magnet mainly composed of Samarium-Cobalt alloys. A SmCo magnet may have a magnetic strength comparable to that of a NdFeB one, but is higher ...
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July 19, 2013

Electromagnets

An electromagnet in its simplest form, is a wire that has been coiled into one or more loops, known as a solenoid. When electric current flows through the wire, a magnetic field is generated. It is ...
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July 19, 2013

Magnet

A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials ...
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July 19, 2013

General Information about Flexible Plastic Magnets

Flexible Magnet is a kind of soft and elastic magnet. It is a compound of plastics or rubbers (NBB or CPE) and ferrite powders. It is easy to design in various shapes such as slicing, drilling, ...
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July 19, 2013

Manufacturing Methods about Ceramic Magnets

Ceramic (Ferrite) Magnets are produced by calcining a mixture of iron oxide and strontium carbonate to form a metallic oxide. A multiple stage milling operation reduces the calcined material to a small particle size. The powder ...
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July 19, 2013

Basic Characteristics about Ceramic Magnets

Ceramic magnets are susceptible to demagnetization when exposed to temperature extremes. Their thermal stability is the poorest of all the magnetic families, but they may be utilized in environments up to 300°C (570°F). There are grades which ...
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