[S4] ハイエントロピー合金の材料科学V

[S4.23] 耐熱ハイエントロピー合金CrHfNbTaTiの微細構造と機械特性の研究

*楊 程¹、卞 華康¹、青柳 健大¹、山中 謙太¹、千葉 晶彦¹ (1. 東北大金研)

キーワード：CrHfNbTaTi、refractory high entropy alloy、mechanical property、nanoscale phase、Laves phase

Equimolar CrHfNbTaTi RHEA with equiaxed grains was fabricated. Substituting Zr for Cr introduced Laves phase and high-level solid solution strengthening, which resulted in high strength.