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岡本竜太 研究業績一覧 (14件)
論文
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Motoki Sakaguchi,
Ryota Okamoto,
Takanori Karato,
Kenta Suzuki.
Effect of rafted microstructure and its temperature dependency on fatigue crack propagation in a single-crystal Ni-base superalloy,
Fatigue & Fracture of Engineering Materials & Structures,
Wiley,
Vol. 46,
No. 2,
pp. 590-602,
Feb. 2023.
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Ryota Okamoto,
Shiyu Suzuki,
Motoki Sakaguchi,
Hirotsugu Inoue.
Evolution of short-term creep strain field near fatigue crack in single crystal No-based superalloy measured by digital image correlation,
International Journal of Fatigue,
Vol. 162,
106952,
Apr. 2022.
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Shiyu Suzuki,
Motoki Sakaguchi,
Ryota Okamoto,
Hideaki Kaneko,
Takanori Karato,
Kenta Suzuki,
Masakazu Okazaki.
Competing mechanism of creep damage and stress relaxation in creep-fatigue crack propagation in Ni-base superalloys,
Superalloys 2020,
The Minerals, Metals & Materials Series,
pp. 352-362,
Sept. 2020.
国際会議発表 (査読有り)
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Shiyu Suzuki,
Ryota Okamoto,
Qihe Zhang,
Motoki Sakaguchi.
Transient crack propagation behavior associated with creep deformation under creep-fatigue loading in a single crystal N-base superalloy,
Ninth International Conference on Low Cycle Fatigue (LCF9),
June 2022.
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Shiyu Suzuki,
Motoki Sakaguchi,
Ryota Okamoto,
Hideaki Kaneko,
Takanori Karato,
Kenta Suzuki,
Masakazu Okazaki.
Competing Mechanism of Creep Damage and Stress Relaxation in Creep-fatigue Crack Propagation in Ni-base Superalloys,
14th International Symposium on Superalloys (Superalloys 2021),
Sept. 2021.
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Ryota Okamoto,
Motoki Sakaguchi,
Shiyu Suzuki,
Yu Kurokawa,
Hirotsugu Inoue.
Digital image correlation for the evaluation of creep strain development around the crack tip,
iDICs 2020 virtual conference,
Oct. 2020.
国際会議発表 (査読なし・不明)
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Shiyu Suzuki,
Ryota Okamoto,
Hayato Matsuoka,
Motoki Sakaguchi.
Fatigue crack retardation induced by creep deformation at crack tip in a single crystal Ni-base superalloy,
8th International Conference on Creep, Fatigue & Creep-Fatigue Interaction (CF8),
Aug. 2021.
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Shiyu Suzuki,
Ryota Okamoto,
Motoki Sakaguchi.
Creep-fatigue crack propagation in Ni-base superalloy: a transient crack propagation induced by tension hold,
2nd India Japan Bilateral Symposium on Futuristic Materials and Manufacturing for Next Generation Electric Vehicles and High Speed Railway,
Mar. 2020.
国内会議発表 (査読なし・不明)
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岡本竜太,
阪口基己,
唐戸孝典,
鈴木健太.
単結晶Ni基超合金の疲労き裂進展に与えるラフト化の影響とその温度依存性,
日本材料学会 第20回破壊力学シンポジウム,
Nov. 2021.
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岡本竜太,
阪口基己,
唐戸孝典,
鈴木健太.
単結晶 Ni 基超合金の疲労き裂進展に及ぼす析出物の整合性と形状の影響,
日本機械学会 M&M2021材料力学カンファレンス,
Sept. 2021.
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岡本竜太,
阪口基己.
単結晶Ni基超合金の疲労き裂進展における整合析出物の影響,
日本材料学会 学生および若手研究者による材料研究の最前線,
June 2021.
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鈴木子游,
松岡駿斗,
岡本竜太,
阪口基己.
単結晶Ni基超合金のクリープ負荷に伴う疲労き裂の遅延挙動,
日本材料学会 第58回高温強度シンポジウム,
pp. 35-39,
Dec. 2020.
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岡本竜太,
鈴木子游,
阪口基己.
デジタル画像相関法を用いたき裂先端のクリープひずみ場のその場計測,
日本材料学会第69期学術講演会,
May 2020.
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岡本竜太,
小野駿介,
鈴木子游,
阪口基己.
単結晶Ni基超合金の高温疲労き裂進展に与える負荷保持の影響 ~デジタル画像相関法によるクリープひずみのその場計測~,
日本材料学会 第57回高温強度シンポジウム,
pp. 104-108,
Dec. 2019.
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