Abstract
CrCuFeMnNi high-entropy alloys were investigated for semisolid processing due to their high compositional flexibility. They exhibited a highly globular semisolid microstructure, with small transformed solid globules. The alloys had a mixture of BCC and two FCC phases, with BCC fractions remaining almost constant while the fractions of both FCC phases changed with Cu content. Although the predicted and experimental equilibrium phase fractions differed, measured compositions were close to equilibrium. During semisolid compression, peak stresses decreased, and the deformation plateau increased with liquid fraction. Furthermore, the alloys behaved like a cohesionless granular material.
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