Magnets Knowledge Base
Blogs
July 19, 2013
An Introduction to Neodymium Magnet
Neodymium Magnet, also known as Neo magnet, is a type of rare-earth magnets made from an alloy containing, most common, the chemical elements Neodymium, Iron and Boron (NdFeB or Neo magnet for short). The Neodymium-Iron-Boron magnet ...
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July 19, 2013
Protective Coatings/Surface Finish for Neodymium Magnets
A Neodymium magnet does not corrode and will retain its performance theoretically forever in dry environment (if not subjected to excessive heat, radiation or strong external magnetic fields). However, if it is placed in a wet ...
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July 19, 2013
Magnetization Direction for Neodymium Magnets
Neodymium magnets vary in shapes and sizes, and different shapes have their own corresponded magnetization directions. Magnetization Direction for Disc & Cylinder Type Disc and Cylinder magnets can be axially or diametrically magnetized. Axial Magnetization Diametrical ...
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July 19, 2013
Neodymium Magnets Materials Shortage in the Future
Neodymium magnets were discovered in 1982, by General Motors, Sumitomo Special Metals and the China Academy of Science. They were developed in response to the high price of Samarium-Cobalt magnets, and they are now the strongest ...
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July 19, 2013
Permanent Magnet Materials
Advances in materials science seem never ending. The ever changing requirements of science and industry necessitate more and more advanced materials. In turn, these advanced materials fuel research into more and more exciting applications for magnets. ...
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July 19, 2013
Rare Earth Magnets-4
Rare earth magnets are made from rare earth elements and are generally alloys of these elements. Since they are brittle, they are normally covered with special coating made of nickel in order to strengthen them. The ...
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July 19, 2013
Rare-earth Recycling-a Promising Way to Facing Rare-earth Shortage
Since its first discovery in 1983, Neodymium magnets have quickly entered and dominated many different industries thanks to their unique properties and wide range of applications. China has always been the largest exporter of their raw ...
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July 19, 2013
Some Question about Permanent Magnets
Permanent magnets can lose their magnetism if they are dropped or banged on enough to bump their domains out of alignment. Can you turn something back into a magnet by banging on it in a specific ...
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