| Abstract: | An inequi-atomic CoCrFeNiMn0.5Ti0.5 high-entropy alloy (HEA) was synthesised by mechanical alloying. The structural and morphological evolution of the alloy powder during the mechanical alloying process and the thermal behaviour of 60?h ball-milled HEA powder were investigated systematically. A simple body-centred cubic solid solution HEA structure was obtained when the blended powder was ball-milled longer than 36?h. A 60?h ball-milled powder had an average particle size of 3?μm and consisted of hard agglomerated crystalline particles with a crystal size of
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