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neodymium magnets

2016-09-30 11:02:51 | 日記
Our high quality neodymium magnets, with varying grades up to N52 and AH series, can be customized into a wide range of shapes and sizes with precise tolerances. Multiple choices of coatings and magnetization orientations can meet specific customer requirements.

The Grade of a magnet generally indicates how “strong” a magnet material is, which is measured by the Maximum Energy Product. The energy product is commonly specified in units of Gauss Oersted. The higher the grade the “stronger” the magnet. The grade also tells the temperature rating of a magnetic material. Neodymium magnets have different heat tolerances which determine their maximum working temperature. As the heat tolerance increase the maximum available flux density decreases.

As Neodymium magnet is prone to corrosion, it is usually preferable for the magnet to be coated for protection. Among a variety of options for coatings, nickel and nickel-copper-nickel are the most commonly used, making the magnet more corrosion resistant and durable.

Magnets can be delivered magnetized and un-magnetized. Some production methods require the magnets being incorporated into assemblies in a un-magnetized state and magnetized later once the assembly is completed. There are various magnetic orientations available for different shapes of permanent magnets.

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