Neodymium magnet

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Nickel plated neodymium magnet on a bracket from a hard drive.

A neodymium magnet (also known as NdFeB, NIB, or Neo magnet), the most widely-used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron, and boron to form the Nd₂Fe₁₄B tetragonal crystalline structure. Developed in 1982 by General Motors and Sumitomo Special Metals, neodymium magnets are the strongest type of permanent magnet made. They have replaced other types of magnet in the many applications in modern products that require strong permanent magnets, such as motors in cordless tools, hard disk drives, and magnetic fasteners.

• See also: Wikipedia

• Related: Lanthanide, Neodymium magnet toys, Samarium-cobalt magnet, Transition metal

Magnet Man Magnet Man www.coolmagnetman.com/magindex.htm - Web

Geeky Rare-Earth Magnets Repel Sharks, Genevieve R... Geeky Rare-Earth Magnets Repel Sharks, Genevieve Rajewski, 05.15.07 , wired.com www.wired.com/gadgets/miscellaneous/news/2007/05/sharkmagnets - Web

Concern as China clamps down on rare earth exports... Concern as China clamps down on rare earth exports, Cahal Milmo, 01.02.10, independent.co.uk www.independent.co.uk/.../concern-as-china-clamps-down-on-rare-earth-exports-1855387.html - Web

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