Permanent magnet alloy for elevated temperature applications.

摘要

A permanent magnet alloy comprises R2Fe14B, wherein, R is a combination of rare earth elements consisting essentially of, in atomic percent, neodymium 1 to 11 and balance holmium. The alloy may include optional additions of the rare earth elements gadolinium up to 10%, perbium up to 15%, dysprosium up to 16%, erbium up to 18% and thulium up to 13%.