[J] 共同セッション：チタン・チタン合金

[J10] Enhancing Ductility in Additively Manufactured Solute-Lean Martensitic Ti-alloys

*HUANG Jeff^1,2、ISSARIYAPAT Ammarueda²、KARIYA Shota²、UMEDA Junko²、KONDOH Katsuyoshi² (1. Graduate School of Eng., Osaka Univ.、2. Joining and Welding Res. Inst., Osaka Univ.)

キーワード：Laser Powder Bed Fusion、Titanium Alloys、Tensile Behaviour、Martensite、Sustainable Alloy Design

Martensitic α/α' L-PBF Ti-1Fe is presented as an alternative to L-PBF Ti-6Al-4V with equivalent β-phase stability and microstructural features, but superior ductility at little cost to strength.