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April 14 2016


Neodymium Magnet and Attraction Towards It

Neodymium magnets for sale
All of us use a neodymium magnet a single form or the other; we just don't know that we do. There are many uses and attributes of this amazing piece of human invention of which we are unaware of. One can possibly easily find a neodymium magnet in a hard disk of a computer, headphones, and loud speakers for starters. And these magnets are immensely powerful and give us to do things where normal iron or ferrite magnets prove ineffective.

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What are neodymium magnets? Are they a Martian metal that originated from outer space? To your disappointment, there isn't any such conspiracy theory. It is a rare earth magnet - an alloy containing elements such as Iron, neodymium and boron. The chemical formula for this unique alloy is Nd2Fe14B. Often one is likely to find crystalline structures in tetragonal shape when it comes to a neodymium magnet. This alloy is easily the strongest permanent magnet available

This neodymium magnet compound was discovered by General Motors Corporation, China Academy of Science and Sumitomo Special Metals in 1982. In those days there was a great must discover a suitable cost effective alternative to SmCo permanent magnets due to the rising costs.

Today the these magnets are produced via two production forms - sintered (powdered) and bonded magnet process. Approximately 45000 to 50,000 a great deal of sintered magnets are produced each year in comparison to 5500 tons of bonded magnet. The difference can be attributed to the demand and supply issue. The remanence i.e. the way of measuring strength of magnetic field of an magnet is high for a sintered magnet. The Curie temperature (named after Pierre Currie, famous French physicist and husband of Marie Curie) may be the temperature at which the magnet loses its magnetism is same for forms of neodymium magnets (approx 310 to 400o C). The Curie temperature of those magnets can be increased to 800o after alloying all of them with terbium and dysprosium.

The neodymium rare earth magnets can also known as neodymium iron boron magnets. No prizes for guessing why. Other popular names by which it is referred by is neodymium rare earth magnets. The unique aspect about these magnets is that they have an exceptionally high potential to deal with get demagnetized. This makes them invaluable for various mechanical as well as industrial applications. Being a small size magnet form is very powerful, the neodymium magnets are portable. And in all likelihood the best aspect is because are affordable causing them to be perfect for lab experimentation and research. It's possible to easily find neodymium disc magnets and neodymium ring magnets.

The side effects of these magnets is that they are very corrosive as the name indicated; hence need to be handled with absolute caution. Several these magnets combined with little care can easily snap your finger. Therefore it needs to be used with caution and a focus. They can catch fire at high temperatures but work effectively in conditions where low temperatures are maintained.

There are immense reason for neodymium rare earth magnets. You can use them in healthcare industry (in MRI machines), in security equipment including alarms and switches, to harddrive of computers.

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