[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]
論文 TSV
2026
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
2025
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- MATSUMOTO, Akiyoshi, A. Yamamoto, ISHII, Akimitsu. Development of premixed IMD MgB2 wire using a data-driven approach. ASC2024. 2024
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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