Monday, June 6, 2011

Why Magnets Rare Earth Is So Widely Used?

During the seventies, people were introduced to "The Godfather", disco, polyester and magnets rare earth. While Marlon Brando and disco no longer exist, and the polyester itches, the rare-earth magnets are still going strong.


The Materials and Its Shapes


It is quite rare to find the materials present in this type of magnets and that is why it is termed rare-earth magnets. The mineral composition of this material includes yttrium, scandium and the fifteen lanthanoids, which are usually found together in nature. The development of first type of this magnet was made using the samarium cobalt. This material has weak magnetic field and quite expensive. Even though they are still being used, nowadays it is more common to find the use of neodymium iron boron. These can be found in different grades and shapes. The shapes include the rings, spheres, prisms, rods, disks, cubes, rectangles and squares. The material is susceptible to easy breakage and corrosion, so they are generally covered to avoid them from being broken or chipped.




The Charge


The rare-earth magnet's magnetism is considered permanent because the crystalline structures present in this material remain aligned in one direction and cannot be aligned in another direction. Its slightly empty f-shell that is inclusive of 7 unpaired electrons means that it functions as a paramagnetic center and its orbital remains powerfully localized. This type of magnet’s exceptional strength can be explained by these two characteristics. In fact, one can suffer bodily harm because of the strong charge present in these magnets. One can suffer physical injury if a finger accidentally gets between these powerful magnets. Its power can even cause disruption in the charge of other magnets such as those used on credit cards and computers. With a powerful variety of this magnet it is possible to wipe out the hard drive of a computer within seconds.


The Applications


Magnets rare earth is used in many important devices. These magnets can be found in different types of storage media like computer hard drives as well as in headphones, ordinary speakers, and in the cordless tool's permanent magnet motors. There is also a type of flashlight that generates electricity by shaking the flashlight. Other common uses include electric guitar pickups, fishing reel breaks and bicycle dynamos.


Even in automobiles magnets are used effectively to pull the metal bits present in the oil. These magnets can also be used to find metal items like nails on the floors and walls. Its uses include carrying out the dent in brass instruments. Without the help of a container or sheet, different types of knives and tools can be held using this magnet. Other places where magnets rare earth are found include refrigerator, jewelry clasps, water conditioners, homemade compass, cabinet latches and metal detectors.

Thursday, March 3, 2011

The Many Uses Of Magnets Rare Earth

A rare earth magnet is an uncommon term for many people who think that they are mysterious elements. In truth, these magnets are not rare at all. A wide range of industries, scientists, and magicians use these materials. They are even found in toys for children who are intrigued by science and art. The use of Magnets rare earth can also be found in electronics such as computers. They provide an interesting and exciting way to learn about the properties of magnetism. Magnets Rare Earth.


In the nineteenth century, the developed world was progressing in science but people still did not have as much knowledge as we have now. On the periodic table, sixteen elements were considered to be rare. Cerium and Neodymium were part of those elements that were previously considered to be rare. As exploration and science move forward, it was found that these elements could not be rare at all. Even so, the name remained. These elements are found in magnets and are made of many interesting qualities.


Materials like iron use rare earth elements to produce strong magnets. The material used in the magnet typically lends to the magnet’s name like neodymium magnets. The strong magnetism is the quality that makes these particular magnets so special. It outperforms most magnets that we generally use on a regular basis like fridge magnets. In contrast to other magnets that will soon lose their magnetic fields, these rare earth magnets will not unless submitted to extremely hot conditions.







Two of these rare earth magnets are the most prevalent. The strongest and most popular available are Neodymium magnets, which are also affordable. Cobalt magnets are also frequently used. These magnets are fragile, but can endure high temperatures and are frequently used in industrial environments.


There are some crucial things to remember when working with these strong magnets. They have enough strength to cause harm to both objects and people. Their strength could cause pinch injuries and skin can become injured by getting caught between opposing magnets. This is particularly true for children, who have small fingers. When offering a rare earth magnet as a toy, it is crucial to adhere to any age requirements and supervision of the child should become necessary. The magnet itself is not strong unlike the magnetic field. They can break and shards can get caught in skin. It is also not smart to use the magnets around electronics. The magnetic field can cause damage to some of the parts. Take precaution to note the magnet’s size as well; the larger they are the stronger they tend to be.


Magnets rare earth are fun and amazing elements. They have an assortment of uses and continue to be exciting to many people. It is essential to take the right safety measures before using them.