Studies of magnetic properties of permalloy (Fe-30%Ni) prepared by SLM technology

► Proper Fe-30%Ni alloy (permalloy) using selective laser melting technology. ► Microstructure of Fe-30%Ni alloy exhibits fine cellular structure of approximately 100 nm. ► Magnetic properties can be controlled by laser parameter. ► Lowest coercivity is 88 A/m and highest saturation magnetization is 565 Am2/kg.