[S7] S7 Materials science of additive manufacturing for biomedical and welfare applications (part III)

3:05 PM - 3:20 PM JST(6:05 AM - 6:20 AM UTC)

[S7.12] Phase Transformation Mechanisms of Biomedical Co-28Cr-6Mo Alloy Depending on the Thermal History in Electron Beam Powder-bed Additive Manufacturing

*ZHAO Yufan¹, KOIZUMI Yuichiro², AOYAGI Kenta³, YAMANAKA Kenta³, CHIBA Akihiko³ (1. 東北大工（院生）、2. 東北大金研（現：阪大工）、3. 東北大金研)

Keywords:

Phase transformation,Co-28Cr-6Mo alloy,Thermal histoty,Electron beam powder-bed fusion,Additive manufacturing

Phase transformation in as-built CCM occurred as both isothermal martensitic and diffusional-massive transformation. The difference in γ/ε phase distribution was depending on the thermal history.