fig3

Figure 3. SEM and EDS mapping analysis results of CoCrNi-based MEAs. (A) (CoCrNi)₉₇Ti₃; (B) (CoCrNi)₉₇Al₃; (C) (CoCrNi)₉₄Ti₃Al₃; (D) (CoCrNi)₉₄(TiAl)₃ Ti_1.5Al_1.5; (E) (CoCrNi)₉₄(TiAl)₆; (F) UIT-(CoCrNi)₉₄(TiAl)₆. SEM: Scanning electron microscope; EDS: energy dispersive spectroscopy; MEA: medium-entropy alloy; UIT: ultrasonic impact treatment.