[G] Mechanical Properties and Microstructure

[73] Microstructure stability of additive manufactured Al-Fe-Mn alloy at elevated temperatures

*Wenyuan WANG¹, Naoki Takata¹, Asuka Suzuki¹, Makoto Kobashi¹, Masaki Kato², Yifan Xu³, Misaki Deguchi³, Masatoshi Mitsuhara³, Hideharu Nakashima³ (1. Nagoya Univ., 2. Aichi Center for Industry and Science Technology, 3. Kyushu Univ.)

Keywords:Additive manufacturing、Laser powder bed fusion、Al-Fe-Mn alloy、Intermetallics、High-temperature strength

The L-PBF built Al–2.5Fe–2Mn (wt.%) alloy containing numerous nanoscale Al6(Fe,Mn) phase exhibited a high strength. The thermal stability of this microstructure was characterized in this study.