Rchr
J-GLOBAL ID：200901000155799232
Update date: Feb. 05, 2024
Sakaguchi Motoki
サカグチ モトキ | Sakaguchi Motoki
Affiliation and department：
Job title：
Associate Professor
Research field (3)：
Machine materials and mechanics
, Aerospace engineering
, Structural and functional materials
Research keywords (5)：
Fracture mechanics
, 疲労
, 耐熱材料
, Fatigue
, Heat resisting materials
Research theme for competitive and other funds (15)：
- 2023 - 2026 Acceleration and retardation behavior of creep-fatigue crack propagation in Ni-base superalloys: Mechanisms and quantitative modelling
- 2021 - 2024 Mechanics of flow/solidification of droplet and deformation/fracture of coating
- 2014 - 2017 Crystal plasticity fracture mechanics for early stage fatigue crack propagation in Ni-base superalloys
- 2013 - 2016 Mechanics and Mechanisms of Thermo-Mechanical Fatigue Failure Relevant to Materials, Structures and Thermal Field.
- 2012 - 2014 Experimental investigation on the role of grain boundary in fatigue crack propagation of Ni-base suepralloys
- 2011 - 2011 小型サンプルによるガスタービン翼の高温き裂進展特性直接評価
- 2009 - 2011 Crack Repair in Heat Resisting Superallloys applying Stress Field Assisted Diffusion Phenomenon
- 2009 - 2010 High temperature cyclic deformation and fatigue life prediction for dissimilar friction welding of superalloy
- 2009 - 2009 組織形態改質処理によるガスタービン翼超合金部材の寿命延伸技術の開発
- 2007 - 2008 Gas Turbine's In-service Stress Detection based on Microstructural Changes of Single Crystal Ni-Base Superalloy
- 2005 - 2006 寿命制御機能・自己損傷治癒機能を備えた超高温用材料システムの構築
- 遮熱セラミックスコーティング
- 単結晶Ni基超合金
- Thermal barrier coatings
- Ni-based single crystal superalloy
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Papers (75)：
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Motoki Sakaguchi, Yu Kurokawa, Fuminori Nakamura, Toru Hashimura. Fatigue strength of steel-aluminum alloy dissimilar lap joints fabricated by dimple spot welding for automotive application. Fatigue & Fracture of Engineering Materials & Structures. 2024
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Motoki Sakaguchi, Putt Thanakun, Akira Koshio, Kosuke Tokihiro, Hirotsugu Inoue. Temperature change and fatigue crack initiation associated with local cyclic slip deformation in a single crystal material. Fatigue & Fracture of Engineering Materials & Structures. 2023. 46. 12. 4486-4497
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Motoki Sakaguchi. Recoil and solidification of a paraffin droplet impacted on a metal substrate: Numerical study and experimental verification. Journal of Fluids and Structures. 2023. 118. 103839-103839
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Xiaosheng Chen, Motoki Sakaguchi, Dianyin Hu. Temperature dependent transition from Mode I to crystallographic cracking in a Ni-base single crystal superalloy. Theoretical and Applied Fracture Mechanics. 2023. 103795-103795
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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. 2022. 46. 2. 590-602
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MISC (34)：
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阪口 基己, 神山 大知, 横口 太郎, 駒村 僚太, 井上 裕嗣. 単結晶Ni基超合金の第I段階疲労き裂進展に及ぼす結晶方位の影響. 材料. 2017. 66. 10. 731-737
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KONO Kyohei, SAKAGUCHI Motoki, INOUE Hirotsugu. GS0330 Effects of test temperature and crystal orientations on Stage I fatigue crack growth in a Ni-based single crystal superalloy. 2016. 2016. 22. "GS0330-1"-"GS0330-2"
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Sakaguchi Motoki, Kouyama Daichi, Komamura Ryota, Inoue Hirotsugu. OS8-14 Effects of Crystallographic Orientation and Grain Boundary on Stage I Fatigue Crack Propagation in Ni-base Superalloys(Fatigue crack propagation,OS8 Fatigue and fracture mechanics,STRENGTH OF MATERIALS). Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics. 2015. 2015. 14. 124-124
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SAKAGUCHI Motoki, KOHYAMA Daichi, KIMURA Toshiyuki, INOUE Hirotsugu. OS2111 Experimental investigation on the Stage I fatigue crack propagation in Ni-base superalloys. 2014. 2014. "OS2111-1"-"OS2111-3"
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TSURU Takeshi, SAKAGUCHI Motoki, OKAZAKI Masakazu. 0616 Effect of crystallographic orientation and grain boundary on fatigue crack propagation in Ni base superalloys miniature specimen. 2012. 2012. 49. 61601-61602
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Education (3)：
- 2004 - 2007 Nagaoka University of Technology Graduate School of Engineering Materials Science Program
- - 2004 The University of Tokyo
- - 2002 The University of Tokyo The Faculty of Engineering Department of Materials Engineering
Professional career (2)：
- 博士(工学) (長岡技術科学大学)
- 修士(工学) (The University of Tokyo)
Work history (4)：
- 2016/04 - 現在 Tokyo Institute of Technology School of Engineering Associate Professor
- 2012/04 - 2016/03 Tokyo Institute of Technology Graduate School of Science and Engineering Associate Professor
- 2012/09 - 2013/08 University of Siegen Visiting researcher
- 2007/04 - 2012/03 Nagaoka University of Technology Faculty of Engineering, Department of Mechanical Engineering Assistant Professor
Awards (12)：
- 2023/05 - 日本材料学会疲労部門 論文賞
- 2021/05 - 日本材料学会疲労部門 論文賞
- 2020/03 - 日本機械学会 日本機械学会賞(論文)
- 2020/03 - 東京工業大学 教育賞
- 2019/03 - 日本機械学会 日本機械学会賞(論文)
- 2018/05 - 日本材料学会 学術奨励賞
- 2018/04 - 文部科学省 若手科学者賞
- 2017/12 - 日本材料学会 高温強度部門 躍進賞
- 2017/09 - 東京工業大学 挑戦的研究賞
- 2017/02 - 東京工業大学 工学院若手奨励賞
- 2010/04 - 日本機械学会 奨励賞(研究)
- 2006/05 - 日本材料学会 論文賞
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Association Membership(s) (3)：
日本機会学会
, 日本材料学会
, The Society of Materials Science, Japan
