[C1-O302] Oral 302 | Materials Research Meeting 2025 (MRM2025)

Session Details

Oral SessionC. Next Generation Advanced Materials Through Nanostructure Control Technology : [C-1] Creation of Materials by Super-Thermal Field 2025

[C1-O302]Oral 302

Thu. Dec 11, 2025 1:00 PM - 5:30 PM JST
Thu. Dec 11, 2025 4:00 AM - 8:30 AM UTC

Session 2(G301)

Chair:Masato Ueda, Ken Cho, Shao-Pu Tsai, Hiroaki Matsumoto, Naoyuki Nomura, Taisuke Sasaki(NIMS), Akihiko Ito, Ozkan Gokcekaya

1:00 PM - 1:25 PM JST(4:00 AM - 4:25 AM UTC)

[C1-O302-01]Microstructure evolution and creep performance of LPBFed near alpha, and near beta - Ti alloys

*Yoko Yamabe-Mitarai¹, Prince Vakentine Cobbinah¹, Yoshiaki Toda², Tetsuya Matsunaga³, Ryosuke Ozasa⁴, Takuya Ishimoto^5,4, Tsutomu Ito⁶, Takayoshi Nakano⁴ (1. The University of Tokyo (Japan), 2. NIMS (Japan), 3. JAXA (Japan), 4. The University of Osaka (Japan), 5. University of Toyama (Japan), 6. Toyama Prefectural University (Japan))

1:25 PM - 1:45 PM JST(4:25 AM - 4:45 AM UTC)

[C1-O302-02]Prediction of CCT Curves for Titanium Alloys Based on Energetics

*Yoshiaki Toda¹, Nina Kobata¹, Masahiko Demura¹, Yoko Yamabe Mitarai² (1. National Institute for Materials Science (Japan), 2. The Univ. of Tokyo (Japan))

1:45 PM - 2:05 PM JST(4:45 AM - 5:05 AM UTC)

[C1-O302-03]Identification of lattice defects in β-type Ti-Cr alloys fabricated by laser powder bed fusion using positron annihilation spectroscopy

*Masataka Mizuno¹, Ryosuke Takahagi¹, Hideki Araki¹ (1. The University of Osaka (Japan))

2:05 PM - 2:15 PM JST(5:05 AM - 5:15 AM UTC)

break

2:15 PM - 2:40 PM JST(5:15 AM - 5:40 AM UTC)

[C1-O302-04]Development of β-Ti Superelastic Alloy Fabricated by Laser Powder Bed Fusion

*Masaki Tahara¹, Cheng Chen¹, Naoki Nohira¹, Aya Harashima¹, Ryosuke Ozasa², Takuya Ishimoto^2,3, Yuichiro Koizumi², Takayoshi Nakano², Hideki Hosoda¹ (1. Inst. of Sci. Tokyo (Japan), 2. Univ. Osaka (Japan), 3. Univ. Toyama (Japan))

2:40 PM - 3:00 PM JST(5:40 AM - 6:00 AM UTC)

[C1-O302-05]Crystallographic Texture Control from Single- to Polycrystal via Laser Powder Bed Fusion

*Takuya Ishimoto^1,2, Naotaka Morita², Takayoshi Nakano² (1. Univ. of Toyama (Japan), 2. The Univ. of Osaka (Japan))

3:00 PM - 3:20 PM JST(6:00 AM - 6:20 AM UTC)

[C1-O302-06]Design of Ti-Zr-Fe Alloys Insensitive to Thermal History for Additive Manufacturing

*Masato Ueda^1,2,3, Nanako Hiramatsu⁴ (1. Kansai Univ. (Japan), 2. Kansai Univ. Carbon Neutrality Research Centre (Japan), 3. Innoqua Inc. (Japan), 4. Graduate School of Science and Engineering, Kansai Univ. (Japan))

3:20 PM - 3:40 PM JST(6:20 AM - 6:40 AM UTC)

[C1-O302-07]Low Young’s modulus in laser powder bed fusion processed β-phase Ti alloys

*Masakazu Tane¹, Takuya Ishimoto², Takayoshi Nakano¹ (1. Univ. of Osaka (Japan), 2. Univ. of Toyama (Japan))

3:40 PM - 4:00 PM JST(6:40 AM - 7:00 AM UTC)

break

4:00 PM - 4:25 PM JST(7:00 AM - 7:25 AM UTC)

[C1-O302-08]In Situ Alloying in Powder Bed Fusion: Accelerating Alloy Design and Microstructural Control

*Pan Wang¹ (1. SINGAPORE INSTITUTE OF MANUFACTURING TECHNOLOGY (SIMTECH), A*STAR RESEARCH ENTIT (Singapore))

4:25 PM - 4:45 PM JST(7:25 AM - 7:45 AM UTC)

[C1-O302-09]Simulation and Experimental Validation of Directional Solidification in HfNbTaTiZr Refractory High-Entropy Alloy via Phase-Field Modeling and Optical Floating Zone Technique

*Te-Cheng Su¹, Hao-Chuan Huang¹, Hung Yen², Bo-Ting Kuo¹, Lee-Han Wu¹, An-Chou Yeh² (1. National Taiwan University (Taiwan), 2. National Tsing Hua University (Taiwan))

4:45 PM - 5:05 PM JST(7:45 AM - 8:05 AM UTC)

[C1-O302-10]Strengthening Bcc-base High-entropy Alloys Through A Novel Type of Phase-separation-induced Cellular Structure Fabricated by Laser Powder Bed Fusion

*Daisuke Egusa¹, Han Chen¹, Ryosuke Ozasa², Masayuki Okugawa², Taisuke Sasaki³, Takuya Ishimoto⁴, Yuichiro Koizumi², Takayoshi Nakano², Eiji Abe¹ (1. Univ. of Tokyo (Japan), 2. Osaka Univ. (Japan), 3. NIMS (Japan), 4. Toyama Univ. (Japan))

5:05 PM - 5:10 PM JST(8:05 AM - 8:10 AM UTC)

Closing Remark

5:10 PM - 5:30 PM JST(8:10 AM - 8:30 AM UTC)

Time adjustment

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