Rare Earth Magnets: Yesterday, Today and Tomorrow

The global permanent magnet market is dominated by rare earth magnets based on the Nd2Fe14B phase, which accounts for over 60% of total magnet sales. The historical development of rare earth magnets is overviewed in this article, as well as the current status of material development, processing technologies, market drivers, and an alternative approach to the “gap magnet” opportunity. Click the article to read more from Dr. John Ormerod.