[S6] S6.Creation of Materials by Super-Thermal Field II: Innovation in Materials Science through Additive Manufacturing（3）

[S6.48] Nano-omega phase in an L-PBF processed Ti-Zr-Nb-Ta-Hf-Mo high entropy alloy

*Han Chen¹, Daisuke Egusa¹, Ryosuke Ozasa², Takuya Ishimoto³, Takayoshi Nakano², Eiji Abe¹ (1. Department of Materials Science & Engineering, University of Tokyo, Tokyo, 113-8656, Japan.、2. Division of Materials and Manufacturing Science, Osaka University, Osaka, 565-0871, Japan.、3. Aluminium Research Center, University of Toyama, Toyama, 930-8555, Japan.)

Keywords:L-PBF、High entropy alloy、Omega phase

Numbers of fine nanostructured omega phases appear in both as-cast and L-PBF processed Ti-Zr-Nb-Ta-Hf-Mo HEA. The average diameter of omega phase in both processed samples are only about 0.6~0.7 nm.