[S3] ハイエントロピー合金の材料科学(IV)(1)

[S3.3] Composition Dependence of Grain Refinement in FCC High-Entropy Alloys

*Jangho YI¹, Koichi TSUCHIYA¹ (1. NIMS)

キーワード：High-entropy alloy、Severe plastic deformation、High-pressure torsion、Grain refinement、Phase stability

A series of high-entropy alloys with different fcc/hcp phase stability was designed. Hardness increase was less significant for the lower Ni content alloys due to the different phase stability.