[G] Titanium and Its Alloys

1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[356] Microstructures of β-Ti alloys fabricated by 3D printing in a N2 atmosphere

*Tetsuya Tome¹, Daisuke Egusa¹, Keitaro Miyazawa², Ryosuke Ozasa², Takayoshi Nakano², Eiji Abe¹ (1. Fac. Eng., Univ. of Tokyo, 2. Fac. Eng., Osaka Univ.)

Keywords:

Additive Manufacturing

窒素雰囲気下L-PBFでTi-42wt.%Nb合金を造形し、TEM/STEMでα相析出（二相組織約21%）と窒素含有を確認。Mo当量評価に基づく微細組織設計指針の解明を目指す。