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

[S5.19] Nano-scaled solidification microstructure characteristics in 316L stainless steel fabricated by laser powder bed fusion

*Fei SUN¹, Junki Inagaki¹, Toshio Ogawa², Yoshitaka Adachi¹, Kazuhisa Sato³, Goro Miyamoto^4,5, Takuya Ishimoto⁶, Takayoshi Nakano^7,8, Koizumi Yuichiro^7,8 (1. Department of Material Design Innovation Engineering, Nagoya University, 2. Department of Mechanical Engineering, Aichi Institute of Technology, 3. Research Center for Ultra-High Voltage Electron Microscopy, Osaka University, 4. Institute for Materials Research, Tohoku University, 5. Research Center for Structure Materials, National Institute for Materials Science, 6. Aluminium Research Center, University of Toyama, 7. Division of Materials and Manufacturing Science, Osaka University, 8. Anisotropic Design & Additive Manufacturing Research Center, Osaka University)

Keywords:Laser powder bed fusion、316L stainless steel、Solidification microstructure、Laser scan speed

This study aims to reveal the nano-scaled solidification microstructure characteristics in 316L stainless steel fabricated by different laser powder bed fusion processing conditions.