文部科学省 データ創出・活用型マテリアル研究開発プロジェクト
Research Initiative of Structural Materials for Extreme Environment
2025.4
Xi Nan, Ryogo Sawada, Haruki Nakashima, Masayoshi Adachi, Makoto Ohtsuka, Kyosuke Yoshimi, Hiroyuki Fukuyama: "Liquidus surface projection and vertical sections of the phase diagram for the Mo–Mo5SiB2–TiC pseudo-ternary system", International Journal of Refractory Metals and Hard Materials, 128 (2025), 106998.2025.4
Shuntaro Ida, Eri Nakagawa, Viola Paul, Takahito Ohmura, Kyosuke Yoshimi: "Enhanced deformability of TiC in Mo-Ti-C ternary system by off-stoichiometry", Materialia, 40 (2025),1024122025.3
Keaki Watanabe, Mizuho Yokoi, Masayuki Kawaura, Shogo Fukushima, Yixin Su, Yusuke Ootani, Nobuki Ozawa, Momoji Kubo: "Reactive molecular dynamics simulation study of wear mechanism of SiO2 and TiO2 passive films on MoSiBTiC alloy in high-temperature humid environment", Chemistry Letters, 54(3) (2025), upaf049.2025.3
Heting Liao, Jun-Ping Du, Hajime Kimizuka, Shigenobu Ogata: "Atomistic simulation of Guinier–Preston zone nucleation kinetics in Al–Cu alloys: A neural network-driven kinetic Monte Carlo approach", Computational Materials Science, 251 (2025), 1137712025.3
Hajime Kimizuka, Shigenobu Ogata, Bo Thomsen, Motoyuki Shiga, "Ab initio path-integral simulations of hydrogen-isotope diffusion in facecentred cubic metals", Journal of Physics: Condensed Matter, 37(19) (2025), e20406.2025.3
Fan-Shun Meng, Jiu-Hui Li, Shuhei Shinzato, Kazuki Matsubara, Wen-Tong Geng, Shigenobu Ogata: "Formation of three-dimensional dislocation networks in α-iron twist grain boundaries: Insights from first-principles neural network interatomic potentials", Computational Materials Science, 253 (2025),1138122025.3
Rana Hossain, Shigenobu Ogata: "Unveiling kink band formation mechanism in MAX phases", Communications Materials, 6(1) (2025), 51.2025.2
Masayuki Kawaura, Yusuke Ootani, Shogo Fukushima, Yixin Su, Nobuki Ozawa, Koshi Adachi, and Momoji Kubo: "Continuous formation and removal mechanism of tribolayer on silicon carbide under water lubricated conditions: A ReaxFF reactive molecular dynamics study", Tribology International, 206 (2025),1105792025.2
Minheon Kim, Osamu Umezawa: "Influence of carbonitriding and sub-zero treatment on the microstructure and fatigue strength of JIS-SCM420 low-alloy steel", Materials Science and Engineering A, 923 (2025), 1477512025.2
Shihao Zhang, Shigenobu Ogata: "Dislocation plasticity in c-axis nanopillar compression of wurtzite ceramics: A study using neural network potentials", Journal of the American Ceramic Society, 108(6) (2025),e204062025.1
Yuuji Kimura, Taku Moronaga, Kaneaki Tsuzaki: "Enhanced Resistance to Delayed Fracture in 0.09 mass% P-Doped High-Strength Steel Processed by Warm Tempforming", ISIJ International,65 (2025), pp20-25.2025.1
Timothee Redarce, Keiichiro Iwata, Yuhei Ogawa, Kaneaki Tsuzaki, Akinobu Shibata, Hisao Matsunaga: "Ausformed high-strength low-alloy steel exhibits exceptional resistance to fatigue crack-growth in high-pressure hydrogen environments", International Journal of Fatigue, 193 (2025),1088142024.12.15
Takayuki Yamashita, Satoshi Morooka, Wu Gong, Takuro Kawasaki, Stefanus Harjo, Tomohiko Hojo, Yoshitaka Okitsu, Hidetoshi Fujii: “Role of retained austenite and deformation-induced martensite in 0.15 C-5Mn steel monitored by in-situ neutron diffraction measurement during tensile deformation”, ISIJ International, 64(14), (2024), 2025-2060.2024.12.4
Xi Nan, Ryogo Sawada, Haruki Nakashima, Masayoshi Adachi, Makoto Ohtsuka, Kyosuke Yoshimi, Hiroyuki Fukuyama: “Liquidus surface projection and vertical sections of the phase diagram for the Mo–Mo5SiB2–TiC pseudo-ternary system”, International Journal of Refractory Metals and Hard Materials, 128, (2024), 106998.2024.12
Rong Fu, Zhiyuan Rui, Junping Du, Shihao Zhang, Fanshun Meng, Shigenobu Ogata: "Temperature and loading-rate dependent critical stress intensity factor of dislocation nucleation from crack tip: Atomistic insights into cracking at slant twin boundaries in Nano-twinned TiAl alloys", Journal of Materials Science & Technology, (2024).2024.12
Fan-Shun Meng, Shuhei Shinzato, Shihao Zhang, Kazuki Matsubara, Jun-Ping Du, Peijun Yu, Wen-Tong Geng, Shigenobu Ogata: "A highly transferable and efficient machine learning interatomic potentials study of 𝛼-Fe–C binary system", Acta Materialia, 281, (2024), 120408.2024.12
Bo-Qing Li, Irene J. Beyerlein, Shuhei Shinzato, Shigenobu Ogata, Wei-Zhong Han: "Mechanism of solute hardening and dislocation debris-mediated ductilization in Nb-Si alloy", Journal of Materials Science & Technology, 203, (2024), 167- 179.2024.12.1
Bo-Qing Li, Irene J. Beyerlein, Shuhei Shinzato, Shigenobu Ogata, Wei-Zhong Han: “Mechanism of solute hardening and dislocation debris-mediated ductilization in Nb-Si alloy”, Journal of Materials Science & Technology, 203, (2024), 167-179.2024.12.1
Fan-Shun Meng, Shuhei Shinzato, Shihao Zhang, Kazuki Matsubara, Jun-Ping Du, Peijun Yu, Wen-Tong Geng, Shigenobu Ogata: “A highly transferable and efficient machine learning interatomic potentials study of α-Fe–C binary system”, Acta Materialia, 281, (2024), 120408.2024.11
Shihao Zhang, Shihao Zhu, Fanshun Meng, Shigenobu Ogata: "Hydrogen and vacancy concentrations in 𝛼-iron under high hydrogen gas pressure and external stress: A first-principles neural network simulation study", International Journal of Hydrogen Energy, 90, (2024), 246-256.2024.11
Gaobing Wei, Hongxian Xie, Jun-Ping Do, Tingting He, Guanghong Lu, Shigenobu Ogata: "Disconnection units of twinning in body-centered-cubic metals", Acta Materialia, 280, (2024), 120325.2024.11.11
Yuhki Tsukada, Akio Yoshida, Toshiyuki Koyama: “Internal stress state of martensite in low-carbon steel: a phase-field study”, November 2024 Proceedings of International Symposia on Steel Science, 2024, (2024), 49-54.2024.11.11
T.Ito,Y.Ogawa,W.Gong,W.Mao,T.Kawasaki,K.Okada,A. Shibata,S.Harjo: “In situ neutron diffraction study to elucidate hydrogen effect on the deformation mechanism in Type 310S austenitic stainless steel”, November 2024 Proceedings of International Symposia on Steel Science, 2024, (2024), 237-240.2024.11.11
S.Harjo,W.Mao,W.Gong,T.Kawasaki: “Deformation behavior of ultrafine-grained TRIP steel observed by neutron diffraction”, November 2024 Proceedings of International Symposia on Steel Science, 2024, (2024), 205-208.2024.11.1
梅澤修: “高強度マルテンサイト鋼の転がり疲労におけるき裂形成”, まてりあ, 63(11), (2024), 780-787.2024.11.1
Gaobing Wei, Hongxian Xie, Jun-Ping Du, Tingting He, Guanghong Lu, Shigenobu Ogata: “Disconnection units of twinning in body-centered-cubic metals”, Acta Materialia, 280, (2024), 120325.2024.11.1
Shihao Zhang, Shihao Zhu, Fanshun Meng, Shigenobu Ogata: “Hydrogen and vacancy concentrations in α-iron under high hydrogen gas pressure and external stress: A first-principles neural network simulation study”, International Journal of Hydrogen Energy, 90, (2024), 246-256.2024.10.1
W.Mao, S.Gao, W.Gong, T.Kawasaki, T.Ito, S.Harjo, N.Tsuji: “Martensitic transformation-governed Lüders deformation enables large ductility and late-stage strain hardening in ultrafine-grained austenitic stainless steel at low temperatures”, Acta Materialia, 271, (2024), 120233.2024.9
Yan Xinyu, Nan Xi, Ida Shuntaro, Yoshimi Kyosuke: "Liquidus surface projection and isothermal section at 1500℃ of (Mo-5Nb)-Ti-C pseudo-ternary system", International Journal of Refractory Metals and Hard Materials, 123, (2024).2024.8
Z.-Y. Lin, T. Hatano: “Rheology and Structure of Model Smectite Clay: Insights From Molecular Dynamics”, Journal of Geophysical Research: Solid Earth, 129(9), (2024), e2024JB028850.2024.8
JiHoon Kim, Goro Miyamoto, Akinobu Shibata, Tomohiko Hojo, Motomichi Koyama,Yongjie Zhang, Tadashi Furuhara: “Influence of austenite grain boundary misorientation on hydrogen-induced intergranular crack propagation in a medium carbon martensitic steel”, Acta Materialia, 274, (2024), 120036.2024.8
Yongjie Zhang, Kohei Ikeda, Shigeki Kitsuya, Goro Miyamoto, Tadashi Furuhara: “Grain boundary character dependence of phosphorus segregation at ferrite grain boundaries in a high-purity iron-phosphorus binary alloy”, Scripta Materialia, 249, (2024), 116170.2024.8
孟凡輝, 宮本吾郎, 古原忠: “ガス窒化したFe-M 2元フェライト合金の摩擦摩耗特性”, 熱処理, 64(4), (2024), 193-202.2024.7
R.S. Varanasi, M. Koyama, M. Yokoi, Y. Ootani, M. Kubo,K. Tanahara, and O. Umezawa: “Understanding crack growth within the γ′Fe4N layer in a nitrided low carbon steel during monotonic and cyclic tensile testing”, Journal of Materials Science, 59(31), (2024), 1-14.2024.7
Ryutaro Kudo, Yusuke Ootani, Shogo Fukushima, Nobuki Ozawa, and Momoji Kubo: “Neural network molecular dynamics simulation on friction-induced chemical reactions of Si3N4 in water and ethylene glycol environments”, Chemistry Letters, 53(7), (2024), upae114.2024.7
Gang Wu, Shigenobu Ogata and Lei Gao: “Atomistic simulations of the frictional properties of 2D materials: a review”, Journal of Physics D: Applied Physics, 210, (2024), 111457.2024.7
Rong Fu, Zhiyuan Rui, Junping Du, Shihao Zhang, Fanshun Meng, Shigenobu Ogata: “Temperature and loading-rate dependent critical stress intensity factor of dislocation nucleation from crack tip: Atomistic insights into cracking at slant twin boundaries in Nano-twinned TiAl alloys”, Journal of Materials Science & Technology, 222, (2024), 290-303.2024.7
Miku Watanabe, Goro Miyamoto, Yongjie Zhang, Satoshi Morooka, Stefanus Harjo, Yasuhiro Kobayashi, Tadashi Furuhara: “Thermal Stability of Retained Austenite with Heterogeneous Composition and Size in Austempered Fe-2Mn-1.5Si-0.4C Alloy”, lSIJ International, 64(9), (2024), 1464-1476.2024.6
Yan Xinyu, Nan Xi, Ida Shuntaro, Yoshimi Kyosuke: “Liquidus surface projection and isothermal section at 1500℃ of (Mo-5Nb)-Ti-C pseudo-ternary system”, International Journal of Refractory Metals and Hard Materials, 123, (2024), 106766.2024.6
鳥形啓輔,阿部 大輔,伊津野仁史,出村雅彦: “クリープ寿命を長期化する溶接条件探索のマクロ的アプローチ”, 溶接学会誌, 93(4), (2024), 218-226.2024.6
Haruna Uruchida, Yuhki Tsukada, Yusuke Matsuoka, Toshiyuki Koyama: “Computational approach to grain boundary segregation engineering of nickel-base superalloys”, Scientific Reports, 14, (2024), 12996.2024.6
Yangen Li, Jun-Ping Du, Shuhei Shinzato & Shigenobu Ogata: "Tunable interstitial and vacancy diffusivity by chemical ordering control in CrCoNi medium-entropy alloy", npj Computational Materials, 10, (2024).2024.6
Nan Xi, Sawada Ryogo, Nakashima Haruki, Adachi Masayoshi, Ohtsuka Makoto, Yoshimi Kyosuke, Fukuyama Hiroyuki: "Experimental investigations of 9 mol.% Mo5SiB2 isopleth phase diagram in Mo-Mo5SiB2-TiC pseudo-ternary system", Materials Today Communications, 39, (2024).2024.6
Shihao Zhang, Yan Li, Shuntaro Suzuki, Atsutomo Nakamura, Shigenobu Ogata: “Neural network potential for dislocation plasticity in ceramics”, npj Computational Materials, 44(6), (2024), 4243-4254.2024.6
Heting Liao, Hajime Kimizuka, Hiroshi Miyoshi, Shigenobu Ogata: “Atomistic modeling of nucleation kinetics of Guinier–Preston zones in Al–Cu alloys: Two formation scenarios and prediction of the time-temperature-transformation diagram”, Computational Materials Science, 242, (2024), 113069.2024.6
上杉徳照: “深層学習による材料分野の画像解析の発展”, まてりあ, 63 (2024), 371-380.2024.5
Nan Xi, Sawada Ryogo, Nakashima Haruki, Adachi Masayoshi, Ohtsuka Makoto, Yoshimi Kyosuke, Fukuyama Hiroyuki: “Experimental investigations of 9 mol.% Mo5SiB2 isopleth phase diagram in Mo-Mo5SiB2-TiC pseudo-ternary system”, Materials Today Communications, 39, (2024), 109239.2024.5
Le Li, Jun-Ping Du, Shigenobu Ogata, Haruyuki Inui: "Variation of first pop-in loads in nanoindentation to detect chemical short-range ordering in the equiatomic Cr-Co-Ni medium-entropy alloy", Acta Materialia, 269, (2024), 119775.2024.4
Tokuteru Uesugi, Shuji Ashino, Yorinobu Takigawa and Kenji Higashi: “Interactions between interstitial and substitutional elements of solute diatomic and triatomic clusters in α-Fe from first-principles calculations”, ISIJ International, 64, (2024), 1206-1217.2024.4
Heting Liao, Hajime Kimizuka, Hiroshi Miyoshi, Shigenobu Ogata: "Atomistic modeling of nucleation kinetics of Guinier–Preston zones in Al–Cu alloys: Two formation scenarios and prediction of the time-temperature-transformation diagram", Computational Materials Science, 242, (2024), 113069.2024.4
Gang Wu, Shigenobu Ogata, Lei Gao: "Atomistic simulations of the frictional properties of 2D materials: a review", Journal of Physics D: Applied Physics, 57(29), (2024), 2930012024.4
J.L. Cao, W.Q. Xie, J.B. Lin, X.F. He, V. Wang, Shigenobu Ogata, W.T. Geng: "Off-center positioning of helium in a vacancy in metals", Journal of Nuclear Materials, 592, (2024), 154965.2024.4
François Pétrélis, Kristel Chanard, Alexandre Schubnel and Takahiro Hatano: “Stress spatial distributions, the Gutenberg–Richter and Omori–Utsu laws”, Journal of Statistical Mechanics: Theory and Experiment, 2024, (2024), 43404.2024.4
Akinobu Shibata,Ivan Gutierrez-Urrutia,Akiko Nakamura,Taku Moronaga,Kazuho Okada,Yazid Madi,Jacques Besson,Toru Hara: “Local crack arrestability and deformation microstructure evolution of hydrogen-related fracture in martensitic steel”, Corrosion Science, 233, (2024), 112092.2023.12
Shuntaro Ida, Kotaro Hoshizaki, Takahiro Kaneko, Xi Nan, Nobuaki Sekido, Kyosuke Yoshimi: "Off-stoichiometry and molybdenum substitution effects on elastic moduli of B1-type titanium carbide", Scientific Reports, 13 (2023), 13631.2023.11
工藤千英, Natalia ZAMBRANO ORTEGA, Xinyu Yan, 吉見享祐: "機械学習によるモシブチック合金のミクロ組織のキャラクタリゼーション", 日本学術振興会R054カーボンニュートラル実現のための耐熱材料委員会研究報告, 1(1) (2023), 55-66.
| お申し込み | 開催地 | 開催日 | イベント名 |
|---|---|---|---|
| 会員制 | RISME | 参照 | データ活用産学連携協議会 プロジェクト・テーブル オンライン 詳細 |
| 終了 | 北海道大学 | 2025.9.17・18 | 公募シンポジウム講演 極限環境対応構造材料のためのマテリアルDX（Ⅲ） 詳細 |
| 終了 | (株)キグチ テクニクス | 2025.9.1-2 | 2025年度プロジェクト・テーブル 詳細 |
本拠点では、超耐熱性、耐水素性、耐疲労性、耐摩耗性など、多様な極限環境下で長期使用に耐え得る機能（「極限機能」）を備えた構造材料とその利用技術のデータ駆動型開発を、産官学のオールジャパン体制で推進します。そして、構造材料の長寿命化や新しい構造システムの高効率化に向けた、データ駆動型マテリアルの科学と工学の構築を目指します。
本拠点は、我が国の構造材料研究の拠点として、デジタル・トランスフォーメーション（DX）の可能性を無限に拡げながら、世界の構造材料分野をリードしていきます。
