What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?
By A Mystery Man Writer
Description
The term Maximum Energy Product ((BH)max) is a commonly used, but often misunderstood figure of merit of magnets. The (BH)max is an Energy Density and it is oftentimes used to denote grade. The grade convention is especially used for Rare Earth magnets, (Neodymium Iron Boron Magnets and Samarium Cobalt Magnets). For instance, a grade 48 Neodymium Iron Boron magnet will generally have an advertised (BH)max of 48 MGOe
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://www.aicmag.com/uploads/2023-12-19-16-49-36.jpg)
New NdFeB Permanent Magnet with Ultra High Comprehensive Magnetic Performance
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://www.researchgate.net/publication/235694478/figure/fig8/AS:668287193067537@1536343491901/The-second-quadrant-of-the-intrinsic-magnetic-B-H-hysteresis-loop-identifying.png)
The second quadrant of the intrinsic magnetic (B-H) hysteresis loop
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://www.researchgate.net/publication/228696979/figure/fig1/AS:302026056585226@1449020031648/Development-in-the-energy-density-BH-max-of-hard.png)
Development in the energy density (BH ) max of hard
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://ars.els-cdn.com/content/image/1-s2.0-S209580991830835X-gr10.jpg)
Perspective and Prospects for Rare Earth Permanent Magnets - ScienceDirect
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://i2.wp.com/reed-sensor.com/wp-content/uploads/BHmax-512x353.png)
yogans.business@gmail.com Maximum Energy Product
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://www.kjmagnetics.com/images/blog/neodymium-magnet-grade-differences--full.jpg)
Magnet Grades
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://www.intechopen.com/media/chapter/a043Y00000yJC4TQAW/a093Y00001exphxQAA/media/F1.png)
Permanent Magnets Based on Hard Ferrite Ceramics
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://www.researchgate.net/publication/301891766/figure/fig1/AS:358436194799628@1462469256920/B-H-curve-shows-relation-between-H-c-B-r-and-BH-max.png)
B-H curve: shows relation between H c , B r and (BH) max .
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://www.intechopen.com/media/chapter/a043Y00000yJC4TQAW/a093Y00001exphxQAA/media/F3.png)
Permanent Magnets Based on Hard Ferrite Ceramics
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://ars.els-cdn.com/content/image/1-s2.0-S1359645418305858-gr1.jpg)
Current progress and future challenges in rare-earth-free permanent magnets - ScienceDirect
![What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?](https://www.duramag.com/wp-content/uploads/BHmax-Normal-Curve-copy-Rev-07-07-2014-2.jpg)
What is Maximum Energy Product / (BH)max and How Does It Correspond to Magnet Grade?
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