[S6] S6.Creation of Materials by Super-Thermal Field II: Innovation in Materials Science through Additive Manufacturing（2）

[S6.28] Observation of Antiphase Domains Structure in Fe₃Al Irradiated by Laser-Beam for Additive Manufacturing and Prediction of growth by Phase-Field Method

*Tsubasa SATO⁴, Yuheng LIU¹, Masayuki OKUGAWA^1,2, Kazuhisa SATO³, Hiroyuki YASUDA^1,2, Takayoshi NAKANO^1,2, Yuichiro Koizumi^1,2 (1. Osaka Univ., 2. Osaka Univ. AM center, 3. Osaka Univ. UHVEM, 4. Osaka Univ.)

Keywords:Additive Manufacturing、Powder Bed Fusion、Antiphase Domain、Transmission electron microscope、Phase Field method

Fe₃AlのL-PBF造形材での超弾性発現を目指したAPD制御の指針を得ることを目的に、まずはFe₃Al単結晶バルク材へのPBF用レーザー照射後のAPDサイズ調査と熱処理条件最適化のためのPF計算行った。