Non-Equilibrium Materials Research Laboratory, IMR, Tohoku University

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Communications

FY 2025 Paper

1. Self-supported heterointerface-engineered nanoporous CoNiFePCBO electrocatalysts derived from dealloying for efficient bifunctional water splitting,
   Jin, Shiyao; Han, Xujin; Li, Yanhui; Jiang, Li; Kato, Hidemi; Zhang, Wei, Journal of Materials Science and Technology, 261 (2026 Aug) 171-183, 10.1016/j.jmst.2025.09.063
2. Reduction of lateral constrain leads to plasticity in metallic glasses,
   Rui Yamada, Keisuke Tabaru, Ryota Maeda, Wook Ha Ryu, Junji Saida, Scripta Materialia, 276 (2026 Apr) 117165, 10.1016/j.scriptamat.2026.117165
3. Formation of 3D interconnected multiphase heterostructures from CoCrFeMnNi high-entropy alloy via liquid metal dealloying using Cu-Ag melts,
   Munsu Choi, Hogeun Cho, Jae Hyuk Lee, Akira Takeuchi, Hidemi Kato, Hyoung Seop Kim, Soon-Jik Hong, Yongseok Choi, Seung Zeon Han, Soo-Hyun Joo, Journal of Materials Research and Technology, 41 (2026 Mar-Apr) 2105-2114, 10.1016/j.jmrt.2026.01.127
4. Creep and recovery behavior of metallic glasses in a global strain approach within transition state theory,
   Langting Zhang, Yajuan Duan, Yunjiang Wang, Eloi Pineda, Yong Yang, Jean-Marc Pelletier, Takeshi Wada, Hidemi Kato, Daniel Crespo, and Jichao Qiao, Acta mechanica Sinica, 42(4) (2026 Jan) 425311, 10.1007/s10409-025-25311-x
5. Dual‐Array Nano Configuration for High‐Performance Metastable β Titanium Alloys,
   Tianle Li, Renhao Wu, Jiabao Liu, Sang-Ho Oh, Xiang Wu, Hyojin Park, Byeong-Joo Lee,Hidemi Kato, Hyoung Seop Kim, Xiaochun Liu, and Xifeng Li, Advanced science, 2025 (2026 Jan) e07383, 10.1002/advs.202507383
6. Changes in atomic structures of a Gd₆₅Co₃₅ metallic glass by cryogenic rejuvenation,
   Hosokawa, Shinya; Ohara, Koji; Pusztai, Laszlo; Stellhorn, Jens Rudiger; Blanc, Nils; Boudet, Nathalie; Yamada, Rui; Kato, Hidemi; Ichitsubo, Tetsu, Journal of Alloys and Compounds, 1050 (2026 Jan) 185770, 10.1016/j.jallcom.2025.185770
7. Changes in electronic structures of Gd₆₅Co₃₅ metallic glass by cryogenic rejuvenation,
   Shinya Hosokawa, Hitoshi Sato, Yasuhisa Tezuka, Jun-ichi Adachi, Kentaro Kobayashi, Koji Ohara, Yuan Tan, Tetsu Ichitsubo, Rui Yamada, Hidemi Kato, Scripta Materialia, 270 (2026 Jan) 116933, 10.1016/j.scriptamat.2025.116933
8. Thermodynamic-kinetic relationship in Pd-based metallic glasses,
   J.B. Cui, G.H. Xing, Q. Hao, Guo-Jian Lyu, Yun-Jiang Wang, T. Wada, H. Kato, E. Pineda, V.A. Khonik, J.C. Qiao, Scripta Materialia, 270 (2026 Jan) 116933, 10.1016/j.scriptamat.2025.116934
9. Unveiling creep mechanisms in metallic glasses via fractional modeling under coupled thermo-mechanical loads,
   J.B. Cui, G.H. Xing, Guo-Jian Lyu, Yun-Jiang Wang, T. Wada, H. Kato, V.A. Khonik, Y. Yang, J.C. Qiao, International Journal of Plasticity, 195 (2025 Dec) 104511, 10.1016/j.ijplas.2025.104511
10. Effects of alloying elements (X: Zr, Nb, Ta, Mo, and Si) in the (Ti_47.5X_2.5)Cu₅₀ precursor alloy on the microstructure, mechanical properties, and corrosion resistance of 3D interconnected Mg-Ti composites,
    Jihye Seong, Jee Eun Jang, Hidemi Kato, Sung Hyuk Park, Soo-Hyun Joo, Journal of Materials Research and Technology, 39 (2025 Nov-Dec) 4453-4475, 10.1016/j.jmrt.2025.10.101
11. Study on the Wear Characteristics of Zn Precipitation-Strengthened Al Alloy,
    Ji Yong Shin, Hyun Woo Jeong, Se Hun Kwon, Hidemi Kato, Eun-Ae Choi, and Seung Zeon Han, Advanced Engineering Materials, 27(23) (2025 Oct) e202501261, 10.1002/adem.202501261
12. Microstructure and Hydrogen Storage Properties of Composites Derived from Oxidized Alloy Glass in the System of Zr-Pd-Pt,
    Ozawa, Masakuni; Katsuragawa, Naoya; Hattori, Masatomo; Kato, Hidemi, Journal of Composites Science, 9(10) (2025 Oct) 563, 10.3390/jcs9100563
13. Multi-heterostructures synthesized via subsequent alloying of Y or Al into Mg melt using a 3D interconnected FeCr-Mg composite formed through liquid metal dealloying,
    Yeon Beom Jeong, Takeshi Wada, Jihye Seong, Gang Hee Gu, Hyoung Seop Kim, Soo-Hyun Joo & Hidemi Kato, Advanced Composites and Hybrid Materials, 8 (2025 Oct) 373, 10.1007/s42114-025-01442-7
14. Dissimilar joining of Ti-6Al-4V with ZK60 and AZ31 by eutectic-melting-induced liquid metal dealloying,
    Yusuke Ohashi, Takeshi Wada,Hidemi Kato, Materials & Design, 258 (2025 Oct) 114685, 10.1016/j.matdes.2025.114685
15. Silicon effects on the formation of heterogeneous intermetallic compound phases in Cu-Ni-Si(-Mn) alloys under homogenization treatment,
    Hyun Woo Jeong, Ji Yong Shin, Se Hun Kwon, Hidemi Kato, Eun-Ae Choi, Seung Zeon Han, Intermetallics, 185 (2025 Oct) 108913, 10.1016/j.intermet.2025.108913
16. Enhanced bonding stability of Fe oxide layer on low carbon steel via low-pressure air oxidation,
    Jun Sang Park, Hidemi Kato, Eun-Ae Choi, Seung Zeon Han, Journal of Materials Research and Technology, 38 (2025 Sep-Oct) 109-117, 10.1016/j.jmrt.2025.07.205
17. Enhanced corrosion resistance through the synergistic effect of Cu₂O oxide layers and fatty acids,
    Seung Zeon Han, Il-Seok Jeong, Hidemi Kato, Eun-Ae Choi, Journal of Materials Research and Technology, 38 (2025 Sep-Oct) 4806-4815, 10.1016/j.jmrt.2025.08.286
18. Deformation characteristic and rejuvenation mechanism of amorphous alloy during the mechanical cycling,
    An, Wanying, Liang, Shuyi, Zhang, Langting, Kato, Hidemi, Qiao, Jichao, Institute of Physics, Chinese Academy of Sciences, 74(16) (2025 Aug) 166101, 10.7498/aps.74.20250563
19. High-Temperature Sintering of Garnet Solid Electrolyte Li₇La₃Zr₂O₁₂: A Comparative Study of Induction Hot Pressing and Spark Plasma Sintering,
    Mikihisa Fukuda, Ying Li, Jing Wei, Koichi Harata, Guoqiang Luo, G. Jeffrey Snyder, Yutaka S. Sato, Hidemi Kato, Eric Jianfeng Cheng, Small, 21(41) (2025 Aug) e06257, 10.1002/smll.202506257
20. Amorphization process of two-phase Ni₃₀Zr₇₀ alloy by high-energy heavy ion irradiation,
    Y. Mori, A. Iwase, Y. Kaneno, T. Matsui, R. Yamada, T. Wada, H. Kato, N. Ishikawa, F. Hori, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 565 (2025 Aug) 165732, 10.1016/j.nimb.2025.165732
21. Experimental observation and theoretical modeling of multi-stage power-law creep in metallic glass,
    J. B. Cui; G. H. Xing: G. J. Lyu; Y. J. Wang: T. Wada; H. Kato: E. Pineda; J. C. Qiao, Acta Mechanica, 236 (2025 Jul) 5079-5097, 10.1007/s00707-025-04420-8
22. Development of 3D interconnected heterogeneous high-entropy alloy composites with enhanced multifunctionality via liquid metal dealloying,
    Munsu Choi, Gang Hee Gu, Jongun Moon, Jae Wung Bae, Hidemi Kato, Seung Zeon Han, Hyoung Seop Kim, Yongseok Choi, Soo-Hyun Joo, Journal of Materials Research and Technology, 37 (2025 Jul) 5672-5685, 10.1016/j.jmrt.2025.07.158
23. Grating patterns with high aspect ratios created on the surface of Pd-based metallic glass by thermal imprinting,
    Rui Yamada, Ninshu Ma, Hidemi Kato, Journal of Alloys and Compounds, 1024 (2025 Apr) 180001, 10.1016/j.jallcom.2025.180001
24. Exploring the impact of hard-to-soft domain ratios in a heterostructured multi-principal element alloy,
    Peyman Asghari-Rad, Yongju Kim, Gang Hee Gu, Hidemi Kato, Hyoung Seop Kim, Materials Science and Engineering: A, 927 (2025 Apr) 148024, 10.1016/j.msea.2025.148024
25. Strain-induced and thermally-reversible BCC to FCC phase transformation in a heavily deformed Fe-Mn-Co-Ni-Cu-Al-C alloy,
    D.V. Louzguine-Luzgin, Y. Hamasaki, M. Mori, K. Yamanaka, R. Umetsu, H. Kato, Y. Miyajima, Materials Science and Engineering: A, 927 (2025 Apr) 147991, 10.1016/j.msea.2025.147991

FY 2025 Presentation

• 2026/Mar/14　Design & Engineering by Joint Inverse Innovation for Materials Architecture（DEJI2MA）meeting、Institute of Science Tokyo
  M2/Hayakawa　Poster「金属溶湯層置換法を用いた新規MAX相の合成」
  D3/Kurabayashi　Poster「デアロイングにより得られたFe-Mg継手強度に及ぼす複合構造の影響」
• 2026/Mar/11-13　The Japan Institute of Metals and Materials (JIM) Annual Spring Meeting 2026(178th)、Chiba Institute of Technology
  M2/Hayakawa　Mar/11　Poster「金属溶湯層置換法を用いた新規MAX相の合成」
  D3/Kurabayashi　Mar/12　Oral「デアロイングにより得られたFe-Mg継手強度に及ぼす複合構造の影響」
  Asst.Prof.Yamada　Mar/12　Oral「圧縮試験時の潤滑材挿入が金属ガラスに伸びの発現をもたらすメカニズムの解明」
• 2026/Mar/7-8　ELyT Workshop 2026、Tohoku University
  D1/Fukuda　Mar/X　Oral「Elaboration and mechanical behavior of porous NiTi alloys fabricated by liquid metal dealloying」
• 2025/Dec/4　2025 Workshop, Collaborative Research Center on Energy Materials, IMR, Tohoku University、IMR
  Prof.Kato　Oral「マルチマテリアル化を促進する相分離系異種金属間デアロイング接合」
• 2025/Nov/28　FY2025 24th The Japan Institute of Metals and Materials (JIM) Tohoku Branch Research Presentation Meeting、IMR
  D3/Kurabayashi　Poster「共晶誘起デアロイングにより作製した Fe-Mg 継手の強度に与える複合構造の影響」
  Asst.Prof.Yamada　Oral「非平衡共晶反応を利用した Al-Si 合金の液体急冷による Si の液体からの非晶質化」
• 2025/Nov/27　The 149th IMR Lecture Meeting、IMR
  M2/Kaji　Poster「二段階金属溶湯部分脱成分法による階層型ポーラスNi-Mo化合物の作製とその水素発生触媒への応用」
  M2/Inagaki　Poster「液体急冷Al-Ge共晶合金に発現する準安定化合物相の 晶出抑制によるGe相の非晶質化」
• 2025/Nov/26-28　52nd Annual Meeting of The Carbon Society of Japan、Nagano City Lifelong Learning Center
  M2/Murata　Nov/26　Oral「Bi液体が有する黒鉛化触媒能の検討および反応機構の考察」
• 2025/Nov/13-14　2025 JOINT SYMPOSIUM - National Taipei University of Technology and Tohoku University、Taipei University of Technology
  M2/Kaji　Nov/13　Poster「Fabrication of hierarchical nanoporous Ni-Mo intermetallic compounds by two-step liquid metal dealloying and their application to catalysts for hydrogen evolution reaction」
  M2/Inagaki　Nov/13　Poster「Amorphization of Ge phase in Al-Ge hypoeutectic alloys by suppression of metastable compounds during liquid quenching」
• 2025/Nov/7-9　The Japan Institute of Light Metals 149th Annual Autumn Meeting、YOKOHAMA National University
  Asst.Prof.Yamada　Nov/9　Oral「アルミニウム合金の液体急冷による半金属の非晶質化」
• 2025/Oct/28　Cutting-Edge Metal Research & Industry Matching: Bridging Tohoku's Innovation with Kansai's Technology、Grand Green Osaka
  Prof.Kato　Oral「元素間相互作用差を利用した機能性多孔質金属、相分離系複合材料と、相分離系異種金属接合」
• 2025/Oct/6-8　5th International Symposium on Nanoporous Materials by Alloy Corrosion (5th ISNMAC) 、Sendai Kokusai Hotel
  D2/Liu　Oct/6　Poster「Nanoporous MoS₂ via Liquid Metal Dealloying and Direct Sulfurization for Energy Storage and Conversion」
  D3/Kurabayashi　Oct/6　Poster「Immiscible Fe-Mg joining by eutectic-melt-induced liquid metal dealloying」
  D3/Bian　Oct/6　Poster「3D Bicontinuous Nanoporous Silicon Carbide Fabricated by Liquid Metal Deal-loying and Its Applications in Alkali-Metal Batteries」
  Specially Appointed Asst.Prof.Song (E-IMR)　Oct/7　Oral「Microstructure Evolution of Nanoporous Fe₇Mo₆ Intermetallic Compounds Fabricated via Liquid Metal Dealloying」
• 2025/Oct/1-2　The 5th International Symposium on Design & Engineering by Joint Inverse Innovation for Materials Architecture (DEJI2MA)、Osaka University
  Associate Prof.Cheng(AIMR）Oct/1　Poster「Ultrasonic Welding of Garnet Solid Electrolyte with Li Metal Anode for Improved lnterfacial Contact」
• 2025/Sep/17-19　The Japan Institute of Metals and Materials (JIM) Annual Autumn Meeting 2025(177th) 、Hokkaido University
  M2/Kaji　Sep/18　Oal「二段階金属溶湯脱成分法による階層型ポーラスNi-Mo合金の作製とその水素発生触媒への応用」
  M2/Inagaki　Sep/18　Oral「Al-Ge合金の液体急冷時の準安定化合物相晶出抑制によるGeの非晶質化」
  D1/Fukuda　Sep/18　Oral「金属溶湯部分脱成分法を用いたポーラスNiTi合金の作製とその作製条件が組成および力学特性に及ぼす影響」
  Specially Appointed Asst.Prof.Song (E-IMR)　Sep/18　Oral「金属溶湯脱成分法による不混和性Cu/Mo複合材料の力学特性および熱特性」
• 2025/Sep/7-12　76th Annual Meeting of the International Society of Electrochemistry、Rheingoldhalle（Mainz・Germany）
  D3/Bian　Sep/9　Oral「3D Bicontinuous Nanoporous Silicon Carbide Fabricated by Liquid Metal Dealloying and Its Applications in Alkali-Metal Batteries」
• 2025/Jun/2-6　The 20th International Conference on Strength of Materials（ICSMA20）、Kyoto International Conference Cente
  D2/Kurabayashi　Jun/6　Oral「Microstructural morphology effects on the strength of Fe-Mg joint produced by eutectic-melt-induced liquid metal dealloying」
• 2025/May/28-30Japan Society of Powder and Powder Metallurgy Spring meeting 2025(135th)、Kyoto University
  Asst.Prof.Yamada　May/30　Oral「液体からのGeの非晶質化に及ぼすAl-Ge合金への添加元素の影響」
• 2025/May/28　The 148th IMR Lecture Meeting、IMR
  D3/Bian　Poster「Bicontinuous Nanoporous Silicon Carbide Fabricated by Liquid Metal Dealloying」
  Specially Appointed Asst.Prof.Song (E-IMR)　Poster「Temperature-dependent Formation of Nanoporous Fe₇Mo₆ Intermetallic Compounds in Liquid Metal Dealloying」

FY 2025 Invited lecture

• 2026/Jan/21-24　Pusan National University、Pusan・Korea
  Prof.Kato　Jan/23　Invited「Liquid metal dealloying: Introduction and applications」
• 2025/Oct/6-8　5th International Symposium on Nanoporous Materials by Alloy Corrosion (5th ISNMAC) 、Sendai Kokusai Hotel, Japan
  Prof.Kato　Oct/8　Key note「Joining Dissimilar Immiscible Materials via Liquid Metal Dealloying and its Derivative Reaction」
• 2025/Jul/5-8　China Materials Conference2025, Xiamen International Conference and Exhibition Center, China
  Specially Appointed Asst.Prof.Song (E-IMR)　Jul/7　Invited「Temperature-dependent Formation of Nanoporous Intermetallic Compounds in Liquid Metal Dealloying」

FY 2025 Awards

• 2025/Nov/28　D3/Kurabayashi　FY2025 24th The Japan Institute of Metals and Materials (JIM) Tohoku Branch Research Presentation Meeting　Outstanding Poster Award
  「共晶誘起デアロイングにより作製した Fe-Mg 継手の強度に与える複合構造の影響」