[G] Solid process/ Solid and welding process(2)

[320] Modulated structure formation in dislocation cells in 316L stainless steel fabricated by laser powder bed fusion

*Fei SUN¹, Toshio Ogawa¹, Yoshitaka Adachi¹, Hazuhisa Sato², Shunya Takagi², Goro Miyamoto^3,4, Asuka Suzuki¹, Akinori Yamanaka⁵, Nobuo Nakada⁶, Takuya Ishimoto⁷, Takayoshi Nakano², Yuichiro Koizumi² (1. Nagoya University, 2. Osaka University, 3. Tohoku University, 4. National Institute for Materials Science, 5. Tokyo University of Agriculture and Technology, 6. Tokyo Institute of Technology, 7. University of Toyama)

Keywords:laser powder bed fusion、316L stainless steel、modulated structure、dislocation cell、transmission electron microscope

This study aims to reveal the novel nanoscale structural features in 316L stainless steel by laser powder bed fusion by advanced scanning transmission electron microscopy.