日本金属学会2021年春期(第168回)講演大会
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Session Details

公募シンポジウム講演

[S4]Materials Science and Technology in High-Entropy Alloys V

Wed. Mar 17, 2021 1:00 PM - 5:00 PM JST
Wed. Mar 17, 2021 4:00 AM - 8:00 AM UTC
Rm. D ZoomRm.D
Chair:Chen Ying
※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）
1:00 PM - 1:40 PM JST(4:00 AM - 4:40 AM UTC)

[S4.1][Keynote Lecture] Stability and thermodynamics properties of high entropy alloys from first-principles: Focus on CrFeNiCoMn and CrFeNiCoPd

*Ying CHEN1, Nguyen-Dung Tran1, Arkapol Saengdeejing1 (1. School of Engineering, Tohoku University)
1:40 PM - 1:55 PM JST(4:40 AM - 4:55 AM UTC)

[S4.2]Investigation and thermodynamic assessment on the σ-phase-related equilibria in Cr-Mn-Co system

*Haoge LI1, Nobufumi UESHIMA2, Katsunari OIKAWA2 (1. Department of Metallurgy, Tohoku University (Student), 2. Department of Metallurgy, Tohoku University)
1:55 PM - 2:10 PM JST(4:55 AM - 5:10 AM UTC)

[S4.3]Phase equilibria and diffusion kinetics in Fe-Co-Mn ternary system

*Pendem Sri　Pragna1, Nobufumi Ueshima2, Katsunari Oikawa3 (1. M2 student、2. Asst. Professor、3. Professor)
2:10 PM - 2:30 PM JST(5:10 AM - 5:30 AM UTC)

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2:30 PM - 2:50 PM JST(5:30 AM - 5:50 AM UTC)

[S4.4]Possibility of sluggish-diffusion in high-entropy alloys

*Toshiyuki KOYAMA1, Yuhki TSUKADA1 (1. Nagoya Univ.)
2:50 PM - 3:05 PM JST(5:50 AM - 6:05 AM UTC)

[S4.5]Effect of Stress History on Stress Exponent of Creep Rate in Cantor Alloy at around 0.65Tm

*Hiroyuki Sato1, Naoya Numata1, Yoshiki Takahashi1, Nozomu Kaneko2, Takahiro Mineta1 (1. Grad. School of Science and Technology Hirosaki Univ, 2. Faculty of Science and Technology Hirosaki Univ.)
3:05 PM - 3:25 PM JST(6:05 AM - 6:25 AM UTC)

[S4.6]Phase separation with ordering in aged Fe-Ni-Mn alloy

*Fei SUN1, Yikun LIU2, Yuichiro HAYASAKA3, Goro MIYAMOTO4, Tadashi FURUHARA4 (1. WPI-Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2. Graduate school of engineering, Tohoku University, 3. The Electron Microscopy Center, Tohoku University, 4. Institute for Materials Research (IMR), Tohoku University)
3:25 PM - 3:45 PM JST(6:25 AM - 6:45 AM UTC)

[S4.7]Aging behavior in deformed CoCrFeMnNi high-entropy alloy: effect of deformation on decomposition of concentrated solid-solution

*Reza Gholizadeh1, Yu Bai1,2, Shu Kurokawa1, Nobuhiro Tsuji1,2 (1. Department of Materials Science and Engineering, Kyoto University、2. Elements Strategy Initiative for Structural Materials (ESISM), Kyoto University)
3:45 PM - 4:05 PM JST(6:45 AM - 7:05 AM UTC)

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4:05 PM - 4:25 PM JST(7:05 AM - 7:25 AM UTC)

[S4.8]Precipitation and surface hardening during low temperature nitriding of Fe-35Ni-X MEA

*Yulin Xie1, Goro Miyamoto2, Tadashi Furuhara2 (1. Tohoku Univ, 2. Tohoku Univ　IMR)
4:25 PM - 4:45 PM JST(7:25 AM - 7:45 AM UTC)

[S4.9]Phase transformation of high-entropy high-temperature shape memory alloys

*Hiromichi MATSUDA1,3, Yoko MITARAI2,3, Takanobu HIROTO2, Yoshitaka MATSUSHITA2, Taku MORONAGA2, Toru HARA2, Hideyuki MURAKAMI2, Masayuki SHIMOJO1 (1. Shibaura Institute of Technology, 2. National Institute for Materials science, 3. The University of Tokyo)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[S4.10]Effect of N addition on the phase decomposition and mechanical properties of a metastable CoCrFeMnNi-based high-entropy alloy

*Manami MORI1,2, Takumi AONUMA1, Kenta YAMANAKA2, Kazuo YOSHIDA2, Akihiko CHIBA2 (1. NIT Sendai Col., 2. IMR, Tohoku Univ.)
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