publication_type publication_year number author title journal_title volume_number issue_number start_page end_page doi reported_at
Paper 2026 1 Yoshiyuki Furuya, Hideaki Nishikawa, Kota Sawada, Tomotaka Hatakeyama, Masahiro Kusano, Makoto Watanabe Gigacycle fatigue properties of additively manufactured Hastelloy X Science and Technology of Advanced Materials: Methods 6 1 2607165-1 2607165-10 https://doi.org/10.1080/27660400.2025.2607165 2026-04-13 20:45:58 +0900
Paper 2026 2 畠山 友孝, 澤田 浩太 パターンマッチングを用いたEBSDの指数付け結果に及ぼすマスターパターンの格子定数の影響 日本金属学会誌 90 1 17 26 https://doi.org/10.2320/jinstmet.j202528 2026-04-13 20:45:58 +0900
Paper 2025 1 Nobuaki Sekido, Haruka Nagai, Tomotaka Hatakeyama, Kyosuke Yoshimi, Kota Sawada Microstructural Characteristics of Modified 9Cr-1Mo Steel with Low Creep Ductility ISIJ International 65 8 1231 1238 https://doi.org/10.2355/isijinternational.isijint-2025-049 2026-04-13 20:45:58 +0900
Paper 2025 2 Kazuhiro Kimura, Yasushi Taniuchi, Kaoru Sekido, Takehiro Nojima, Tomotaka Hatakeyama, Kota Sawada Creep data sheet for 9Cr-1Mo-V-Nb steel tubes, plates and pipe Science and Technology of Advanced Materials: Methods 5 1 2588872-1 2588872-16 https://doi.org/10.1080/27660400.2025.2588872 2026-04-13 20:45:58 +0900
Paper 2025 3 Tomotaka Hatakeyama, Shuntaro Ida, Kota Sawada, Kyosuke Yoshimi Microstructure Development during Creep Deformation of 9Cr-1Mo-V-Nb Steel with Excess Nitrogen Introduced by Solution Nitriding – Multidimensional Scatter Diagram Analysis of STEM-EDS Maps by Machine Learning – ISIJ International 65 10 1529 1540 https://doi.org/10.2355/isijinternational.isijint-2025-211 2026-04-13 20:45:58 +0900
Paper 2025 4 Tomotaka Hatakeyama, Kota Sawada Creep damage evaluation of 18Cr–9Ni–3Cu–Nb–N steel by electron backscattered diffraction (EBSD) – comparison of traditional Hough Indexing and novel Spherical Indexing – Micron 199 103908 103908-10 https://doi.org/10.1016/j.micron.2025.103908 2026-04-13 20:45:58 +0900
Paper 2025 5 Kota Sawada, Tomotaka Hatakeyama, Masahiro Kusano, Makoto Watanabe Creep data of Hastelloy X fabricated by laser powder bed fusion Science and Technology of Advanced Materials: Methods 5 1 2582996-1 2582996-13 https://doi.org/10.1080/27660400.2025.2582996 2026-04-13 20:45:58 +0900
Paper 2025 6 畠山 友孝, 井田 駿太郎, 澤田 浩太, 吉見 享祐 固相窒素吸収法により窒素を導入した9Cr-1Mo-V-Nb鋼のクリープ中の組織変化―機械学習によるSTEM-EDSマップの多次元散布図解析― 鉄と鋼 111 9 536 549 https://doi.org/10.2355/tetsutohagane.tetsu-2024-115 2026-04-13 20:45:58 +0900
Paper 2025 7 澤田 浩太, 谷内 泰志, 野島 健大, 関戸 薫子, 畠山 友孝, 木村 一弘 ASME P91 鋼のクリープ挙動に及ぼす応力変動の影響 鉄と鋼 111 2 51 57 https://doi.org/10.2355/tetsutohagane.tetsu-2024-114 2026-04-13 20:45:58 +0900
Paper 2024 1 Tomotaka Hatakeyama, Kota Sawada, Masahiro Kusano, Makoto Watanabe Significant creep-strength improvement in modified 9Cr-1Mo steel via microstructural control through laser powder bed fusion Additive Manufacturing 93 104445 104445-11 https://doi.org/10.1016/j.addma.2024.104445 2026-04-13 20:45:58 +0900
Paper 2024 2 畠山 友孝, 澤田 浩太, 草野 正大, 渡邊 誠 三次元積層造形法により作製した改良9Cr-1Mo鋼のクリープ特性 ボイラ研究 448 4 10 2026-04-13 20:45:58 +0900
Paper 2024 3 Kota Sawada, Yasushi Taniuchi, Kaoru Sekido, Takehiro Nojima, Tomotaka Hatakeyama, Kazuhiro Kimura Creep data sheet for Nickel-based 19Cr-18Fe-3Mo-5Nb-Ti-Al superalloy Science and Technology of Advanced Materials: Methods 4 1 1 20 https://doi.org/10.1080/27660400.2024.2425179 2026-04-13 20:45:58 +0900
Paper 2024 4 Tomotaka Hatakeyama, Kota Sawada Precipitation behavior of the M23C6 phase on the coherent twin boundary of 25Cr-20Ni-Nb-N steel Materials Letters 363 136277 https://doi.org/10.1016/j.matlet.2024.136277 2026-04-13 20:45:58 +0900
Paper 2023 1 Kota Sawada, Yasushi Taniuchi, Kaoru Sekido, Takehiro Nojima, Tomotaka Hatakeyama, Kazuhiro Kimura Long-term creep properties of Ni-based 21Cr-18Fe-9Mo superalloys Science and Technology of Advanced Materials: Methods 3 1 https://doi.org/10.1080/27660400.2023.2284129 2026-04-13 20:45:58 +0900
Paper 2023 2 Tomotaka Hatakeyama, Kaoru Sekido, Kota Sawada Prediction of Graphitization Behavior during Long-Term Creep in Carbon Steels ISIJ International 63 5 910 918 https://doi.org/10.2355/isijinternational.isijint-2022-558 2026-04-13 20:45:58 +0900
Paper 2023 3 Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Kazuhiro Kimura Beneficial role of the grain boundary precipitates for intergranular creep fracture of 25Cr–20Ni–Nb–N steel Materials Science and Engineering: A 882 145487 https://doi.org/10.1016/j.msea.2023.145487 2026-04-13 20:45:58 +0900
Paper 2023 4 Tomotaka Hatakeyama, Kota Sawada, Masaru Suzuki, Makoto Watanabe Microstructure development of modified 9Cr-1Mo steel during laser powder bed fusion and heat treatment Additive Manufacturing 61 103350 https://doi.org/10.1016/j.addma.2022.103350 2026-04-13 20:45:58 +0900
Paper 2022 1 澤田 浩太, 畠山 友孝, 関戸 薫子, 木村 一弘 炭素鋼の長時間クリープによる黒鉛化に関する研究 ボイラ研究 431 18 23 2026-04-13 20:45:58 +0900
Paper 2022 2 Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Toru Hara, Kazuhiro Kimura Microstructural factors of the complex creep rate change in 18Cr–9Ni–3Cu–Nb–N steel Materials Science and Engineering: A 831 142225 https://doi.org/10.1016/j.msea.2021.142225 2026-04-13 20:45:58 +0900
Paper 2021 1 Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Toru Hara, Kazuhiro Kimura Graphitization Behaviors of Creep-ruptured 0.3% Carbon Steel at 673 to 773 K ISIJ International 61 3 993 1001 https://doi.org/10.2355/isijinternational.isijint-2020-575 2026-04-13 20:45:58 +0900
Paper 2021 2 Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Toru Hara, Kazuhiro Kimura TTP Diagrams of Graphitization of Creep Ruptured Carbon Steels and 0.5Mo Steel ISIJ International 61 11 2822 2831 https://doi.org/10.2355/isijinternational.isijint-2021-275 2026-04-13 20:45:58 +0900
Paper 2021 3 Kota Sawada, Tomotaka Hatakeyama, Kaoru Sekido, Kazuhiro Kimura Microstructural changes and creep-strength degradation in 18Cr-9Ni-3Cu-Nb-N steel Materials Characterization 178 111286 https://doi.org/10.1016/j.matchar.2021.111286 2026-04-13 20:45:58 +0900
Paper 2021 4 Tomotaka Hatakeyama, Kota Sawada, Toru Hara, Kaoru Sekido, Kazuhiro Kimura Three-dimensional analysis of the precipitation behavior of 18Cr–9Ni–3Cu–Nb–N steel at 973 K Scripta Materialia 200 113904 https://doi.org/10.1016/j.scriptamat.2021.113904 2026-04-13 20:45:58 +0900
Paper 2021 5 Xi Nan, Tomotaka Hatakeyama, Shuntaro Ida, Nobuaki Sekido, Kyosuke Yoshimi Effect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy High Temperature Materials and Processes 40 1 204 213 https://doi.org/10.1515/htmp-2021-0024 2026-04-13 20:45:58 +0900
Paper 2021 6 Tomotaka Hatakeyama, Alexander Kauffmann, Susanne Obert, Camelia Gombola, Martin Heilmaier, Kyosuke Yoshimi Oxidation Resistance, Creep Strength and Room-Temperature Fracture Toughness of Mo–28Ti–14Si–6C–6B Alloy Materialia 16 101108 https://doi.org/10.1016/j.mtla.2021.101108 2026-04-13 20:45:58 +0900
Paper 2021 7 Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Toru Hara, Kazuhiro Kimura Influence of dynamic microstructural changes on the complex creep deformation behavior of 25Cr–20Ni–Nb–N steel at 873 K Materials Science and Engineering: A 814 141270 https://doi.org/10.1016/j.msea.2021.141270 2026-04-13 20:45:58 +0900
Paper 2020 1 Tomotaka Hatakeyama, Shuntaro Ida, Nobuaki Sekido, Kyosuke Yoshimi Significant improvement of the oxidation resistance of MoSiBTiC-based multiphase alloys by Ti enrichment Corrosion Science 176 108937 https://doi.org/10.1016/j.corsci.2020.108937 2026-04-13 20:45:58 +0900