What are Rare-Earth-Free Motors? Differences from Neodymium Magnets, 5 Approaches, and the Current State of Practical Application

The powerful magnets used in electric vehicle (EV) motors rely on China for much of their rare-earth raw materials. According ...

Vol.99 [Why do permanent magnets in motors sometimes lose their power overnight, even without cracking or chipping?] The entry barrier known as irreversible demagn…

The misconception that "permanent magnets remain magnets forever"1.1 Permanent magnets appear to maintain their magnetic ...