日本金属学会2023年春期(第172回)講演大会

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11.Computational Science » Computational Science

[P] P98~P101

Tue. Mar 7, 2023 4:30 PM - 6:00 PM South Exhibition Hall, 2nd Flr. ,"Hamamastucho-kan"

4:30 PM - 6:00 PM

[P101] Competitions of β-Ti Columnar Grains in the early stage of AM rapid solidification by Phase-Field Method

*Taichi ARAI1, Taisei IZUTSU3, Susumu FUJII2, Masato YOSHIYA2,4, Takuya ISHIMOTO2,4, Takayoshi NAKANO2,4 (1. Materials Science Course, School of Engineering, Osaka University, Suita, Osaka, Japan, 2. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan, Institute for Materials Science, Tsukuba, Ibaraki, Japan, 3. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan, Institute for Materials Science, Tsukuba, Ibaraki, Japan, 4. Anisotropic Design & Manufacturing Research Center, Osaka University, Suita, Osaka, Japan)

Keywords:フェーズフィールド法、AM、β-Ti、柱状結晶粒、固液界面エネルギー、固液界面移動度、溶融池

急冷凝固過程の開始段階では、固液界面エネルギーが溶融池底部で成長する柱状結晶粒の間の競争を支配し、固液界面の移動度が溶融池の内部で成長する柱状結晶粒の間の競争を支配する。

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