[S5] S5 Creation of Materials by Super-Thermal Field III: New Developments in Materials Science through Additive Manufacturing(1)

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[S5.14] Controlling Meltpool Behavior and Reaction Layer Formation of the CrMnFeCoNi High-Entropy Alloy by Substrate Preheating in the Multi-Beam Laser Directed Energy Deposition

*Ilman Kholqillah　Ardhian^1,2, Yamashita Yorihiro³, Kunimine Takahiro¹ (1. Kanazawa University、2. Universitas Muhammadiyah Surakarta、3. University of Fukui)

Keywords:

directed energy deposition,meltpool formation,high entropy alloy,bead,reaction layer

This study explores MBL-DED with overfocused laser beams to control meltpool, ensuring stable HEA bead deposition. Optimized parameters resulted in stable deposition with near-equiatomic composition.