[S4] Materials Science and Technology in High-Entropy Alloys V

[S4.16] Grain Refinement Behavior during SPD in FCC High-Entropy Alloys with Different Ni Composition

*Jangho YI¹, Koichi TSUCHIYA¹ (1. NIMS)

Keywords:High-entropy alloy、Severe plastic deformation、High-pressure torsion、Phase stability、Grain refinement

The phase stability greatly affected the process of grain refinement behavior. The FCC to HCP phase transformation during the HPT was significant in the lower Ni contents HEA.