[G] Solid process/ Solid and welding process(2):Powder Metullurgy and 3D Printing

3:50 PM - 4:05 PM JST(6:50 AM - 7:05 AM UTC)

[344] The evolution of formability and microstructure of Ti-6Al-4V alloy with varying amounts of TiC heterogeneous nucleation site particles in a powder-based DED

*Shimon SEKIYAMA¹, Motoko YAMADA², Mami MIHARA-NARITA², Hisashi SATO², Yoshimi WATANABE², Atsuki TODA³, Masato ONO⁴ (1. Graduated Student, Nagoya Inst. of Tech., 2. Nagoya Inst. of Tech., 3. Integrated Industrial Research Center of Shiga Pref., 4. Innovation Promotion Division of Shiga Pref.)

Keywords:

powder-based DED,heterogeneous nucleation site particles,Ti-6Al-4V,Grain refinement,layered modelling

パウダー式指向性エネルギー堆積法を用いたTi-6Al-4V合金の造形において，TiCヘテロ凝固核粒子の添加量を1，2 および5 vol%とした場合の造形性（相対密度，欠陥体積比）および組織の変化を調査した．