Effect of Electromagnetic Stirring Process Parameters on Microstructures and Properties of Fe-25Mn-9Al-8Ni-1C-0.2Ti Low-density Iron-based Alloy

Fe-25Mn-9Al-8Ni-1C-0.2Ti low-density iron-base alloys, primarily composed of ferrite and austenite, are prepared using vacuum arc melting, and the influences of electromagnetic stirring current and stirring time on the microstructures and properties of the smelted alloys are investigated. It is concluded that the effects of electromagnetic stirring current and stirring time on the tensile strength of the alloy can be ignored, which ranges between(804.20±19.80)~(852.94±19.90) MPa. As the electromagnetic stirring current increases and the stirring time extends, the elongation of the alloy gradually rises to the maximum value of (27.73±0.68)%. The fracture pattern of the allot at room temperature is mainly ductile fracture.