[S6] S6 Materials Science of Additive Manufacturing IX

4:05 PM - 4:25 PM JST(7:05 AM - 7:25 AM UTC)

[S6.11] Control of microstructure and mechanical property of carbide precipitation-strengthened Co-based superalloy using L-PBF

○Shogo Hirata¹, Ryosuke Ozasa^1,2, Kazuhisa Sato³, Shinya Imano⁴, Kiyohito Ishida⁵, Takayoshi Nakano^1,2 (1. Grad. Eng. The Univ. of Osaka, 2. 3DPTec Integrated Center, The Univ. of Osaka, 3. Research Center for UHVEM, The Univ. of Osaka, 4. Kyowa PM, 5. Tohoku Univ)

Keywords:

Laser powder bed fusion,Co-based superalloy,Microstructure,Carbide,Additive manufacturing,Heat-resistant alloy,MC carbide,Dislocation,Stacking fault,Mechanical properties

This study investigates the microstructure–mechanical property relationship in a carbide precipitation-strengthened Co-based superalloy fabricated by L-PBF, focusing on fine MC carbides, dislocations, and stacking faults.