Selection and specification of permanent magnet materials

The selection and specification of permanent magnets is often done in an incomplete or confusing manner, frequently leading to poor product performance or an unnecessarily expensive design. It is important to conduct a thorough analysis, from the earliest stages of the design, by considering all the characteristics and deciding which ones are pertinent. This paper attempts to introduce a methodology that can be applied to selecting and specifying the best available grade for any application of a permanent magnet.