What are neodymium rare earth magnets ?
Neodymium rare earth magnets are among the most powerful magnets available for their respective sizes. They find application in a wide variety of fields including manufacturing, crafts and educational settings. They are available for purchase by the public through retail vendors.HistoryNeodymium rare earth magnets were originally invented independently by General Motors and the Chinese Academy of Sciences and Sumitomo Special Metals, according to rareearth.org.CompositionNeodymium magnets are made from an alloy of neodymium, boron and iron. Before manufacturing the magnets, the alloy must be milled into a powder form.ManufacturingA powdered metallurgy technique known as sintering, in which the metal particles are pressed into a shape, aligned and heated until the particles adhere but do not melt, is used to produce the base material for neodymium magnets. After sintering, the material is cut to size and magnetized.SafetyNeodymium magnets exert strong magnetic fields that can interfere
