If you are confused because of the offered grades of Neodymium or thinking about mastering exactly how a class is assigned to a certain Neodymium alloy, this post is really available.
N35, ND-35, and ND-3512 are all comparable “Grades.” They represent a neo magnet alloy including an electricity Density (ideal Energy item) of 35 and has an Intrinsic Coercive power of 12 kOe. The 12kOe causes a maximum running temperature for magnet of 80°C. (this optimum Operating Temperature is geometry dependent together with 150°C can be used here for illustrative functions.)
N45SH, ND-45SH, and ND-4520 tend to be equivalent grade of Neo alloy. This notation presents a neo magnet alloy with an electricity Density (optimum Energy item) of 45 and it has an Intrinsic Coercive power (Hci) of 20 kOe. The 20kOe is suggested inside the high quality notation due to the “SH” suffix and results in a maximum working temperature the magnet of 150°C. (the specific optimum running heat is geometry centered and so the 150°C is required here for illustrative explanations.)
Neo Level Explanation
As explained above, a Neodymium magnet’s “Grade” originates from the energy thickness (optimum power Product) many signal of the Neodymium alloy’s ability to operate at increased problems. Knowing the high quality just isn’t adequate to anticipate a magnet alloy’s overall performance in a software. The Neo magnet’s quality have various other qualities which are familiar with measure the magnet’s overall performance in an application. Unless the applying has reached history room temperature, the magnet features a Magnetic Length / Diameter ratio > 0.7, and there isn’t any extra demagnetizing areas, a performance evaluation should really be executed. Please engage a Dura application representative for support when choosing a Neo level for the application.
Associated Pages and TechTalk Articles for More Information:
Exactly why Magnets Lose power: the results of amount decrease, Geometry, Elevated Temperature, and Demagnetization from External Fields
Effects of heat on Neodymium Magnets: Reversible vs. Irreversible Field Loss
What is ideal Energy item / BHmax and just how Does It match magnetic Grade?
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