[S5] S5 Creation of Materials by Super-Thermal Field III: New Developments in Materials Science through Additive Manufacturing(3)

2:50 PM - 3:05 PM JST(5:50 AM - 6:05 AM UTC)

[S5.49] Strain gradient and localization in melt-pool structures of Al-Fe-Cu alloy manufactured by laser powder bed fusion

*Cheng Yue¹, Otani Yuki², Kim Dasom³, Tsukada Yuhki³, Takata Naoki³, Kato Masaki⁴ (1. Nagoya University, 2. University of Hyogo, 3. Nagoya University, 4. Aichi Center for Industry and Science Technology)

Keywords:

additive manufacturing,melt-pool structure,aluminum alloy,mechanical properties,inhomogeneous deformation

L-PBF製Al–2.5Fe–2Cu合金において、DIC解析によりひずみの局在と勾配を評価した。溶融池境界の粗大組織は硬さが低く、ひずみ集中が顕著であり、凝固条件の違いが変形挙動に影響することが示された。