Wednesday, December 1, 2010

Neodymium Magnets

Neodymium magnets were first manufactured in 1982. This came about because there was a need to use a magnet that was small but also powerful. The car manufacturing industry needed to cut cost and the size of these magnets. In order to solve this, an alloy of iron and other metals was formed to make a most efficient magnet.


These magnets are used for the operation of hybrid and electronic automobiles. Since they are able to better withstand demagnetization and make motors more efficient. However the magnets corrode easily, so they are coated for protection.


There are several ways these magnets contribute to the life of humans. They are essential in MRI technology for diagnosis and treatment in hospitals. They are also found in office equipment such as  computers and at home in radios.





Power plants also need these magnets. They are used in motors because they have a lower slip percentage. They are always in motion and also used for couplings.


Neodymium magnets tend to be compact and less bulky than their predecessors. However, they make up for their lack of size in strength. They are often used on jewelry, toys and office ornaments. It should be noted that if these magnets are not handled properly they can cause physical damage. These magnets should never be ingested because they can cause rupture of the stomach.


If two Neodymium magnets are near by and not properly restrained they can come together violently and break into pieces. They can also injure people if there is anything between the two magnets as they collide.

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