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石井 秋光

石井 秋光 (ISHII, Akimitsu) 0000-0002-9261-4047

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論文 TSV

2026
  1. Akimitsu Ishii, Yusuke Matsuoka, Toshiyuki Koyama. Thermodynamically consistent multi-phase-field model incorporating passive external domains. Science and Technology of Advanced Materials: Methods. 6 [1] (2026) 2653418 10.1080/27660400.2026.2653418 Open Access
  2. Akiyoshi Matsumoto, Akimitsu Ishii, Rei Kawasaki, Takahiro Hosokawa, Akiyasu Yamamoto. Development of Premix Internal-Magnesium-Diffusion MgB 2 Wire Using a Data-Driven Approach. IEEE Transactions on Applied Superconductivity. 36 [5] (2026) 6200304 10.1109/tasc.2026.3652546 Open Access
2025
  1. Akimitsu Ishii, Toshiyuki Koyama, Taichi Abe, Machiko Ode. Phase-field simulation coupled with a CALPHAD database for analyzing microstructural evolution during liquid-phase sintering of Nd–Fe–B magnets. Journal of Alloys and Compounds. 1025 (2025) 180266 10.1016/j.jallcom.2025.180266
  2. Toshiyuki Koyama, Yusuke Matsuoka, Akimitsu Ishii. Simple implementation examples of agent AI on free energy calculation and phase-field simulation. Science and Technology of Advanced Materials: Methods. (2025) 2601436 10.1080/27660400.2025.2601436 Open Access
  3. Miao Wang, Akimitsu Ishii, Ken Sakaushi. Accelerated Electrocatalyst Degradation Testing by Accurate and Robust Forecasting of Multidimensional Kinetic Model with Bayesian Data Assimilation. ACS Energy Letters. 10 [1] (2025) 22-29 10.1021/acsenergylett.4c02868 Open Access
2024
  1. Akimitsu Ishii, Toshiyuki Koyama, Taichi Abe, Michiko Ode. Multi-phase-field modeling of sintering applicable to solid-state and liquid-phase sintering in multiphase and multicomponent systems. Materials Today Communications. 40 (2024) 110116 10.1016/j.mtcomm.2024.110116 Open Access
  2. Akimitsu Ishii, Akinori Yamanaka, Mizumo Yoshinaga, Shunsuke Sato, Midori Ikeuchi, Hikaru Saito, Satoshi Hata, Akiyasu Yamamoto. High-Fidelity Phase-Field Simulation of Solid-State Sintering Enabled by Bayesian Data Assimilation Using In Situ Electron Tomography Data. Acta Materialia. (2024) 120251 10.1016/j.actamat.2024.120251 Open Access
  3. 嶋田 雄介, 石井 秋光, 尾崎 壽紀, 山本 明保. 超電導材料新規創製プロセス開発におけるデータ科学手法活用の現状と将来展望. 電気学会論文誌．　Ａ. 144 [9] (2024) 360-365 10.1541/ieejfms.144.360
2023
  1. Akimitsu Ishii, Akiyasu Yamamoto, Akinori Yamanaka. DMC-TPE: tree-structured Parzen estimator-based efficient data assimilation method for phase-field simulation of solid-state sintering. Science and Technology of Advanced Materials: Methods. 3 [1] (2023) 2239133 10.1080/27660400.2023.2239133 Open Access
  2. Akimitsu Ishii, Shinjiro Kikuchi, Akinori Yamanaka, Akiyasu Yamamoto. Application of Bayesian Optimization to the Synthesis Process of BaFe2(As,P)2 Polycrystalline Bulk Superconducting Materials. Journal of Alloys and Compounds. (2023) 171613 10.1016/j.jallcom.2023.171613 Open Access
  3. Akimitsu Ishii, Kyoyu Kondo, Akiyasu Yamamoto, Akinori Yamanaka. Phase-field modeling of solid-state sintering with interfacial anisotropy. Materials Today Communications. 35 (2023) 106061 10.1016/j.mtcomm.2023.106061 Open Access

書籍 TSV

会議録 TSV

口頭発表 TSV

2026
  1. ISHII, Akimitsu, Akinori Yamanaka, Mizumo Yoshinaga, Shunsuke Sato, Midori Ikeuchi, Satoshi Hata, Hikaru Saito, Akiyasu Yamamoto. In situ Electron Tomography‑driven Bayesian Data Assimilation for High‑fidelity Phase‑field Simulation of Solid‑state Sintering. The International Conference on Sintering 2026. 2026
  2. 小山 敏幸, 石井 秋光, 松岡 佑亮. 材料組織を基軸としたAI支援材料設計. DxMTシンポジウム2026：AI for Scienceによるマテリアル開発の革新. 2026
  3. ISHII, Akimitsu, MATSUOKA, Yusuke, KOYAMA, Toshiyuki. A Thermodynamically Consistent Multi-phase-field Modeling for Handling Vacuum Domains. The 12th Pacific Rim International Conference on Advanced Materials and Processing (PRICM 12). 2026 招待講演
2025
  1. ISHII, Akimitsu. Optimization Framework for Sintering Conditions Combining Phase-field Simulation and Bayesian Optimization. The 9th Asian Pacific Congress on Computational Mechanics/The 7th Australasian Conference on Computational Mechanics. 2025
  2. 石井 秋光. 3次元多粒子系固相焼結シミュレーションにおける緻密化挙動の定量的評価手法の検討. 粉体粉末冶金協会 2025年度秋季大会（第136回講演大会）. 2025
  3. ISHII, Akimitsu, KOYAMA, Toshiyuki, ABE, Taichi, ODE, Machiko. Phase-field simulation of liquid-phase sintering coupled with a CALPHAD database of Nd-Fe-B-Cu system. The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025). 2025
  4. 石井 秋光. 大規模固相焼結フェーズフィールドシミュレーションによる緻密化挙動の定量評価. 第30回計算工学講演会. 2025
  5. ISHII, Akimitsu, KOYAMA, Toshiyuki, ABE, Taichi, ODE, Machiko. Phase-field simulation of liquid-phase sintering for investigating microstructural evolution of Nd-Fe-B sintered magnets. The 7th International Conference of Asian Union of Magnetics Societies (IcAUMS 2025). 2025
2024
  1. 石井 秋光. フェーズフィールド法による焼結シミュレーション～これまでの発展から外場効果連成への将来展望まで～. 粉体粉末冶金協会 2024年度秋季大会（第134回講演大会）. 2024 招待講演
  2. ISHII, Akimitsu, Kondo Kyoyu, Akinori Yamanaka, Akiyasu Yamamoto. Large-scale phase-field simulation of microstructural evolution during solid-state sintering of BaFe2As2 superconducting material. The 11th International Conference on Multiscale Materials Modeling. 2024
  3. MATSUMOTO, Akiyoshi, A. Yamamoto, ISHII, Akimitsu. Development of premixed IMD MgB2 wire using a data-driven approach. ASC2024. 2024
  4. WANG, Miao, ISHII, Akimitsu, SAKAUSHI, Ken. Effective Prediction of Oxygen Evolution Electrocatalyst Degradation by A Data-Driven Approach. 75th Annual Meeting of the International Society of Electrochemistry. 2024
  5. ISHII, Akimitsu, Akinori Yamanaka, Mizumo Yoshinaga, Shunsuke Sato, Ikeuchi Midori, Satoshi Hata, Hikaru Saito, Akiyasu Yamamoto. Data assimilation using in situ observation data for high-fidelity phase-field simulation of solid-state sintering. WCCM-PANACM 2024. 2024
  6. ISHII, Akimitsu, Toshiyuki Koyama, ABE, Taichi, ODE, Machiko. Phase-field simulation for predicting microstructural evolution during liquid-phase sintering of Nd-Fe-B sintered magnets. International Conference on Magnetism 2024. 2024
  7. 石井 秋光, 近藤 恭悠, 山中 晃徳, 山本 明保. 固相焼結の大規模フェーズフィールドシミュレーション による鉄系超伝導材料BaFe2As2のミクロ組織形成予測. 第29回計算工学講演会. 2024
  8. 石井 秋光, 小山敏幸, 阿部 太一, 大出 真知子. Nd-Fe-B焼結磁石のミクロ組織を予測するための液相焼結フェーズフィールドモデリング. 日本金属学会 2024年春期 第174回公演大会. 2024
2023
  1. 松本 明善, 石井 秋光, 川﨑玲, 山本明保. データ駆動型アプローチによるプレミックスIMD法MgB2線材の開発. 第106回 低温工学・超電導学会研究発表会. 2023
  2. ISHII, Akimitsu, Toshiyuki Koyama, ABE, Taichi, ODE, Machiko. Multi-phase-field modeling of liquid-phase sintering for prediction of microstructural evolution in Nd-Fe-B sintered magnets. FEMS EUROMAT 2023. 2023
  3. 松本 明善, 石井 秋光, 柳生 進二郎, 西島 元, 松波 成行, 伴野 信哉, 細川 貴弘, 山本明保. データ駆動型超伝導線材の開発-ベイズ最適化を使った熱処理条件の探索-. 第105回 低温工学・超電導学会研究発表会. 2023
  4. 石井 秋光, 近藤 恭悠, 山中 晃徳, 山本 明保. 結晶方位依存の界面異方性を有する固相焼結の3次元フェーズフィールドモデリング. 第28回計算工学講演会. 2023
  5. ISHII, Akimitsu, Akinori Yamanaka, Akiyasu Yamamoto. Data Assimilation for Estimation of Microstructural Evolution during Solid-state Sintering: Integration of Phase-field Simulation and In-situ Experimental Observation. TMS 2023 Annual Meeting & Exhibition. 2023
  6. 柳生 進二郎, 松本 明善, 松波 成行, 西島 元, 伴野 信哉, 石井 秋光, 吉武 道子, 長田 貴弘. べき乗則に従うスペクトルの解析. 第70回応用物理学会春季学術講演会. 2023
2022
  1. 石井 秋光, 山中 晃徳, 三好 英輔, 山本 明保. 非逐次データ同化手法による固相焼結過程のミクロ組織形成の推定. 第35回計算力学講演会（CMD2022). 2022
  2. ISHII, Akimitsu, 須田充彦, 山中晃徳. Efficient Data Assimilation Method for Phase-Field Simulation of Solid-State Sintering: Tree-structured Parzen Estimator Approach. The 10th International Conference on Multiscale Materials Modeling. 2022
  3. ISHII, Akimitsu, 山中 晃徳, 三好 英輔, 山本 明保. DMC-BO: Efficient Data Assimilation Method using Bayesian Optimization for Phase-field Simulation of Solid-state Sintering. WCCM-APCOM YOKOHAMA 2022 https://www.wccm2022.org/. 2022

その他の文献 TSV

2026
  1. 山本 明保, 嶋田 雄介, 石井 秋光, 松本 明善. セラミックス材料開発をサポートするAI技術. 耐火物. 78 [9] (2026) 338-345 Open Access
2025
  1. 石井 秋光. 実験と計算の融合による固相焼結挙動の高精度予測. まてりあ. 64 [10] (2025) 669-673 10.2320/materia.64.669

公開特許出願 TSV

  1. 寿命予測方法、寿命予測装置、及び電気化学システム (2026)

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