Neodymium Iron Boron

A type of rare-earth permanent magent which is an alloy of neodynium, iron and boron that forms a tetragonal crystalline structure.

Symbol

Nd₂Fe₁₄B

Also known as

Neodynium Magnet

Discovered

In 1982 by General Motors corporation; Sumitomo Special Metals and the China Academy of Science.

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Density	7400 to 7500	kgm-3	Clip
Curie Temperature	583 to 673	K	Clip
Vickers Hardness	500 to 600		Clip

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See also: Magnet.