[S1] S1.ハイエントロピー合金の材料科学(VIII)(2)

[S1.29] Microstructure and segregation of HfMoNbTaTi refractory high-entropy alloy fabricated by electron beam powder bed fusion (PBF-EB)

*楊 程¹、青柳 健大¹、山中 謙太¹、長谷部 優作²、萩沢 武仁²、千葉 晶彦¹ (1. 東北大金研、2. 日本製鋼所)

キーワード：Refractory high-entropy alloy、HfMoNbTaTi、electron beam powder bed fusion、segregation、gas atomized powder

HfMoNbTaTi RHEA was fabricated by electron beam powder bed fusion using the gas atomized powders, and the microstructure, as well as segregation behaviour, were investigated.