[S] Materials Science of Additive Manufacturing II: Creation of Materials by Superthermal Field(2)

[S5.31] Controlling Bead Geometry, Microstructure and Interface by Multi-Beam Laser Directed Energy Deposition

*Naoya NISHIKAWA¹, Kholqillah Ardhian　Ilman¹, Yorihiro Yamashita², Yuji Sato³, Masahiro Tsukamoto³, Takahiro Kunimine¹ (1. Kanazawa University, 2. National Institute of Technology, Ishikawa College, 3. Osaka University)

Keywords:レーザ指向性エネルギー堆積法、レーザ集光位置、ビード形状、微細組織、界面制御

本研究ではマルチビーム式L-DEDのレーザ加工条件によって，ビード形状と微細組織を制御し，基材成分の溶け込みを極力抑えた金属層の造形の実現を試みた．