CoCrFeNiTi-based high-entropy alloy with superior tensile strength and corrosion resistance achieved by a combination of additive manufacturing using selective electron beam melting and solution treatment

High Entropy Alloy (HEA) fabricated by a combination of selective electron beam melting (SEBM) and solition treatment (ST) shows superior tensile strength and corrosion resistance to the conventional alloys used in severe corrosion environments. These notable properties are ascribed to homogeneous precipitation of fine particulate ordering-phase particles whose diameters are several tens of nanometers with Ni and Ti concentrations.174