Role of precipitation in strength and ductility of FeCo-2V-Cr alloy with low coercivity

A good combination of high tensile strength as well as large elongation and low coercivity is achieved by optimal precipitation for FeCo-2V-Cr alloy. The precipitate is characterized by bcc structure with plate-like contrast and is disordered phase due to its enrichment of V and Cr in contrast to the partial ordering observed in matrix phase. The Cr addition is significant in such precipitation that leads to the improvement of both tensile strength and ductility without deteriorating soft magnetic property.