If you are confused by the available grades of Neodymium or contemplating mastering exactly how a course is assigned to a particular Neodymium alloy, this post is actually obtainable.
N35, ND-35, and ND-3512 are all comparable “Grades.” They represent a neo magnet alloy which includes an Energy Density (optimal Energy item) of 35 and it has an Intrinsic Coercive energy of 12 kOe. The 12kOe causes a maximum running temperature for magnet of 80°C. (this optimum running Temperature is geometry dependent with 150°C may be used right here for illustrative functions.)
N45SH, ND-45SH, and ND-4520 are equivalent class of Neo alloy. This notation provides a neo magnet alloy who has an electrical energy Density (optimum Energy item) of 45 and it has an Intrinsic Coercive power (Hci) of 20 kOe. The 20kOe is recommended within the quality notation due to the “SH” suffix and causes a maximum operating temperature the magnet of 150°C. (the precise optimum working heat is geometry dependent and so the 150°C is required right here for illustrative reasons.)
Neo Grade Explanation
As explained above, a Neodymium magnet’s “Grade” comes from the ability thickness (optimum Energy item) and some signal regarding the Neodymium alloy’s capacity to operate at enhanced problems. Knowing the quality seriously isn’t adequate to anticipate a magnet alloy’s overall performance in a credit card applicatoin. The Neo magnet’s quality need other qualities which are acquainted with assess the magnet’s performance in an application. Unless the program has reached back ground room-temperature, the magnet features a Magnetic Length / Diameter ratio > 0.7, and there is no additional demagnetizing fields, a performance evaluation should be executed. Please engage a Dura application representative for assistance when selecting a Neo quality for your application.
Associated Pages and TechTalk Articles for More Information:
Why Magnets Lose power: the outcomes of Volume reduction, Geometry, Elevated Temperature, and Demagnetization from exterior Fields
Effects of temperature on Neodymium Magnets: Reversible vs. Irreversible Field reduction
What’s ideal Energy item / BHmax and how Does It match Magnet Grade?
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