[P] P70~P81

[P74] Fabrication of pure Ni single crystals via laser powder bed fusion with a flat-top laser profile

*Dennis Jodi^1,2, Tomonori Kitashima^1,2, Yuichiro Koizumi³, Takayoshi Nakano³, Makoto Watanabe¹ (1. NIMS, 2. Kyushu Univ., 3. Osaka Univ.)

Keywords:積層造形、単結晶、ニッケル、集合組織

In this study, a flat-top laser beam in laser powder bed fusion was employed to fabricate a nickel single crystal with suppressed high-angle grain boundaries.