Tuesday, October 4, 2011

Neodymium Rare Earth Magnets A Versatile And Practical Invention

Neodymium rare earth magnets are widely known as the strongest magnets in the world. In fact, the strong magnetic properties of neodymium magnets remains intact even when they cut into sizes small enough for everyday use, making them one of the most commonly used magnets in the world. However, despite the name given to the magnets, neodymium rare earth magnets are a man-made product, rather than a naturally occurring ore.

Neodymium rare earth magnets are known as permanent magnets due to their high resistance to demagnetization. In fact, the magnetic properties of these magnets can last as long as 10 years, making them one of the longest lasting permanent magnets available today. The name rare earth is misleading, however, as the composition consists of an alloy of three commonly found materials: neodymium, boron, and iron. The abundance of the alloy materials combined with the long-lasting magnetic properties has made neodymium magnets one of the most economical permanent magnets available on the market today.  

Neodymium rare earth magnets were invented in 1982 through the joint effort of General Motors and Sumitomo Special Metals. While the intention had been to create an affordable alternative to the expensive permanent magnets available at that time, the result was a lightweight invention that has now become one of the most commonly used materials in both industrial and everyday magnetic applications. From electricity-producing generators to the latches on purses and cabinets, neodymium rare earth magnets are found nearly anywhere a magnet is needed.    

Neodymium rare earth magnets have also become popular in the relatively recent area of magnetic healing. Magnetic therapies are based on the idea that magnets can encourage the natural healing process of the body by reducing pain and increasing the blood flow in the body. This had made them a popular accessory in both healing spas and home products, including jewelry, bedding, and insoles. Pet products are also being made with the inclusion of neodymium rare earth magnets, with pet beds being one of the most popular pet items.

Neodymium rare earth magnets were invented with the intention of creating an economical alternative to the more expensive permanent magnets already available on the market. However, the powerful magnetic properties combined with its lightweight composition have led them to be one of the most widely used magnets in the world today. The number of industrial and everyday applications stretches from machinery and automotive uses to the more mundane purpose of latches and closures, with more recent applications, including the area of magnetic healing for both people and pets. The abundance of the alloy materials has also enabled them to remain low-cost, making neodymium rare earth magnets one of the most versatile and practical inventions in recent times.

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