12/23/2023 0 Comments Strongest magnet in the worldHow strong of a magnet do you need? You may need something that can do more (or less) than you think.What type of application is it? Do you need a magnet to hold something in place? To organize an area? Or a specific application for a manufacturing floor?.Rare earth magnets are the strongest permanent magnets available and have significantly higher performance than ceramic/ferrite magnets (composed of strontium carbonate and iron oxide) and alnico magnets (composed of aluminum, nickel and cobalt). In contrast to China, Vietnam and Brazil are the 9th and 10th largest producers with 1000 MT each. Even though the US is the second-largest producer, the US still heavily imports rare earth materials and metals since the output isn’t plentiful. The only US mine is the Mountain Pass mine in California. The US is the next largest producer, with an annual output of just 38,000 MT. As a result, only a few sources provide most of the world’s supply of rare earth elements.īy far, China is the world’s largest producer of rare earth metals, with a yearly production of 140,000 metric tons (MT). Rather, they’re mixed in with other elements, making them economically challenging to mine. They’re called “rare earth” since they aren’t found in large, concentrated amounts. They’re actually relatively abundant in the Earth’s crust, and the most common ones are found in concentrations similar to commonplace industrial metals such as tine, copper, and zinc. The term “rare earth” can be misleading, because rare earth metals are not very rare. Read more about these two types of magnets. The two most common rare earth magnets are Neodymium (Nd-Fe-B) and Samarium Cobalt (SmCo). Poorest corrosion resistance of all commercial magnetic material.A rare earth magnet is a magnet made from one of the rare earth elements (of which there are 17) in the Lanthanide series of metals in the periodic table. The surface treatment method include Zine, Nickel, Tin, Silver, Phosphor and Spray Epoxy Resin etc. NdFeB magnet can be used as an ideal magnet in mini-motor, sensors, audio Speaker or Auto Parts etc. This group of magnetic materials provides the highest available. NdFeB magnet is mainly made of Neodymium, Iron and Boron with excellent magnetic property, produced by powder metallurgical method with chemical composition of Nd2Fe14B, possesses high energy ranging from 26MGOe to 50 MGOe and wonderful coercive force, high resistance to demagnetization. The ideal situation is to stop using rare earth metals. It is better to reduce the number of rare earth metals. Therefore, it is imminent to develop new and stronger permanent magnets. The power of megawatt wind turbines will consume 2/3 tons of Neo permanent magnets. Each electric vehicle consumes 2 kilograms of Neo permanent magnets. Turbine motors in wind farms, as well as electric cars and bicycles, require lightweight and powerful permanent magnets, and only Neo magnets currently meet the requirements. Now, with the rise of green energy technology, the consumption of computers has become a great mystery. It doesn’t seem like much, but given the number of computers around the world, it’s almost an astronomical number. Search for new permanent magnet materialsĮach computer needs only 50 grams of Neo permanent magnet. The Strongest Commercial Permanent Magnet Rare earth metals aren’t really rare on the planet - they are a few parts per million in the earth’s crust - they’re “rare” because they’re hard to find. However, when Neo permanent magnets were developed, the demand for rare earth metals surged. Anywhere you want to produce the strongest magnetic field with the least amount of material, Neo permanent magnets are preferred: car engines, spindle motors on CD and DVD readers, electric signals converted into sound diaphragms in headphones and speakers, and super magnetic fields needed in medical magnetic resonance technology… By 2010, even though cheaper ferrites still dominated the market, neodymium permanent magnets were worth more than a dozen or even hundreds of times more than ferrites in terms of volume. But now an improvement has been found by adding a small amount of dysprosium, another rare earth metal, which is less sensitive to temperature changes.Īt the same time, a technological revolution driven by permanent magnets opened the curtain. Early Neo magnets had an annoying flaw: they were sensitive to temperature, and when the temperature rose, the magnetism dropped dramatically, and when it was above 100 degrees Celsius, it was completely demagnetized. The Strongest Permanent Magnet-Neodymium MagnetsĪt room temperature, the neodymium magnet is the most powerful permanent magnet.īut this is only at room temperature. What is the Strongest Commercial Permanent Magnet in the World? Industrial Magnetic Assemblies and Devices.
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