Materials Research Meeting 2025 (MRM2025)
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Oral SessionE. Advancing Sustainable Materials, Energy, and Recycling Technologies : [E-2] Advances in Degradation, Biodegradation, and Sustainable Material Technologies

[E2-O301]Oral 301

Thu. Dec 11, 2025 10:00 AM - 12:05 PM JST
Thu. Dec 11, 2025 1:00 AM - 3:05 AM UTC
Session 7(G318)
Chair:Aira Matsugaki(The University of Osaka), Hui-suk Yun(KIMS, Korea), Michiaki Yamasaki(Kumamoto University)
10:00 AM - 10:25 AM JST(1:00 AM - 1:25 AM UTC)

[E2-O301-01]Grain Boundary Strength and Its Degradation of High Thermal Conductivity Silicon Nitride Ceramics

*Junichi Tatami Tatami1, Komaki Matsuura1, Motoyuki Iijima1, Takuma Takahashi2, Hiromi Nakano3, Tatsuki Ohji1 (1. Yokohama National Univ. (Japan), 2. Kanagawa Inst. of Indus. Sci. and Tech. (Japan), 3. Toyohashi Univ. Tech. (Japan))
10:25 AM - 10:50 AM JST(1:25 AM - 1:50 AM UTC)

[E2-O301-02]Control of work-hardening rate in the Mg/LPSO two-phase extruded alloys via AMID mechanism

*Koji Hagihara1,2, Tsuyoshi Mayama3, Michiaki Yamasaki3, Toko Tokunaga1, Soya Nishimoto3 (1. Nagoya Inst. Tech. (Japan), 2. Osaka Univ (Japan), 3. Kumamoto Univ. (Japan))
10:50 AM - 11:05 AM JST(1:50 AM - 2:05 AM UTC)

[E2-O301-03]Corrosion and stress corrosion cracking behavior of rapidly solidified Mg-Y-Zn alloys in simulated body fluid

*Michiaki Yamasaki1, Shin-ichi Inoue1, Masaru Sakai1, Soya Nishimoto1, Yoshihito Kawamura1 (1. Kumamoto Univ. (Japan))
11:05 AM - 11:20 AM JST(2:05 AM - 2:20 AM UTC)

[E2-O301-04]Solidification Microstructure in Ti-V Alloy and Ti1(NbMoTa)2W0.5 Alloy Formed under Rapid Cooling via Laser Irradiation

*Ryosuke Ozasa1, Masayuki Okugawa1, kazuhisa Sato1, Yuichiro Koizumi1, Takayoshi Nakano1 (1. The university of Osaka (Japan))
11:20 AM - 11:35 AM JST(2:20 AM - 2:35 AM UTC)

[E2-O301-05]Strengthening Mechanism of Nickel-based Superalloys with Hierarchical Microstructure Prepared by Additive Manufacturing

*Kippei Yamashita1, Takuma Saito2, Taisuke Sasaki2,3, Ken Cho1,4, Takayoshi Nakano1,4, Hiroyuki Y. Yasuda1,4 (1. Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University (Japan), 2. Research Center for Magnetic and Spintronic Materials, National Institute for Materials Science (Japan), 3. Research Center for Structural Materials, National Institute for Materials Science (Japan), 4. Anisotropic Design & Additive Manufacturing Research Center, Graduate School of Engineering, Osaka University (Japan))
11:35 AM - 11:50 AM JST(2:35 AM - 2:50 AM UTC)

[E2-O301-06]Measuring mechanical properties of 7.5YSZ epilayer by means of
microcantilever bending test

*Ryuya Urata1, Junichi Tatami1, Akihiko Ito1 (1. Yokohama National Univ. (Japan))
11:50 AM - 12:05 PM JST(2:50 AM - 3:05 AM UTC)

[E2-O301-07]Laser surface remelting to restore corrosion resistance in sulfide-compromised austenitic stainless steels

*Guilherme Koga Koga1, Ana Cruz1 (1. UFSCar (Brazil))
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