![]() This customer’s recent experience is unfortunately quite common. The figure below illustrates a non-traditional dip in the BH Curve, indicative of impurities in the magnetic alloy. The supplier asserted the material to be 52MGOe grade however, Dura Magnetics’ scientific testing and analysis revealed that the material was equivalent to 33MGOe grade. Due to poor performance, our customer requested testing of a competitor’s material. The recent experience of a Dura Magnetics’ customer provides a valuable case study. Therefore, it is critical to properly qualify suppliers prior to ordering. Problems with N52 magnets can often be attributed to utilizing overseas suppliers with standards that allow alloy impurities. What problems can occur with N52 magnets? The magnet specialists at Dura Magnetics provide consultation to help you make the right decision for your application. N52 neodymium magnets are produced from one of the most expensive grades of neodymium in some instances, a lower grade will perform effectively for a significantly lower price. Many of our customers are surprised to learn that the performance characteristics of N52 may exceed the required application specifications by a significant margin. Why consider cost when choosing N52 magnets? ![]() The following factors should also be considered: What other factors should be considered when choosing an N52 magnet?Īlthough higher energy product material is typically stronger than lower energy product material, N52 magnet strength and the value of its (BH)Max is not the only criteria for selecting material grade. The force that an N52 magnet can hold will vary depending on a wide variety of factors. They may assume a stronger magnet grade will yield better performance, but this is not always the case. Some customers mistakenly specify N52 neodymium magnets based solely on the material’s high energy product. However, strength isn’t the only factor that should be considered when choosing the desired grade of magnets. Examples include electronics, scientific applications, and household items such as latches that require securely held components. With a high strength-to-size ratio, N52 magnets are often used for applications that require a small but strong magnet. An increase in the number associated with the grade represents an increase in the magnets energy product. The number abbreviation, N35, N42, N52, or N55 for example, indicates the strength, or energy product, of the magnet grade. Neodymium is the strongest rare earth magnet material, and N52 is among the highest grades of neodymium consequently, N52 magnets are some of the strongest magnets on the planet. The “N52” is an abbreviation referring to the strength of this magnet. What is an N52 magnet?Īn N52 magnet is a neodymium magnet that contains an energy product or (BH)Max of 52MGOe (Mega-Gauss Oersteds). Learn more below about criteria to consider when choosing a neodymium magnet alloy. These magnets are strong, but there are other aspects to consider before determining if they are right for your application. At Dura Magnetics, we often receive questions regarding neodymium N52 grade magnets.
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