Eric Theisen¹; ¹Metglas Inc.

Here we update the status of the various soft magnetic alloys currently produced by Metglas and highlight their primary industrial applications. The distribution transformer market continues to be the largest segment of Fe-based amorphous ribbon and has been shifting towards thicker ribbon with higher induction levels (1.63T) and with increased stacking factor (>90%). Emerging trends with electric motors also utilize these advancements in amorphous ribbon properties. There are many approaches to incorporate amorphous ribbon into the motor components and we will discuss the methods that have been industrially adopted. FeCo based amorphous alloys further enhance the induction levels (1.8T) and can be viable in these applications. There are also new FeCo and FeNi nanocrystalline alloys being developed specifically suited towards motor applications that will be discussed.