Additive Manufacturing / Selective Laser Melting

[SLPC1-03] Influence of Processing Parameters of Multi-Beam Laser Directed Energy Deposition on Microstructure and Defects of a CrMnFeCoNi High-Entropy Alloy

*Kholqillah Ardhian Ilman^1,2, Yorihiro Yamashita³, Takahiro Kunimine⁴ (1. Division of Mechanical Science and Engineering, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa, 920-1192, Japan, 2. Department of Mechanical Engineering, Faculty of Engineering, Universitas Muhammadiyah Surakarta, Sukoharjo, Central Java, 57169, Indonesia, 3. Department of Mechanical Engineering, National Institute of Technology, Ishikawa College, Kitachujo, Tsubata, Ishikawa, 929-0392, Japan, 4. Faculty of Mechanical Engineering, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa, 920-1192, Japan)

This study explores single-bead CrMnFeCoNi HEA processing using multi-beam L-DED and modified laser focusing. It examines laser power and scanning speed effects on microstructure, defects, and bead cross-sectional area, providing insights for optimized HEA printing.