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OSHIMA Sota  大島 草太

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Oshima Sota  大島 草太

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Researcher Number 90885112
Affiliation (Current) 2025: 東京農工大学, 工学(系)研究科(研究院), 准教授
Affiliation (based on the past Project Information) *help 2021 – 2024: 東京都立大学, システムデザイン研究科, 助教
Review Section/Research Field
Principal Investigator
Basic Section 18010:Mechanics of materials and materials-related
Except Principal Investigator
Basic Section 18010:Mechanics of materials and materials-related
Keywords
Principal Investigator
トランスバースクラック / 炭素繊維複合材料 / 微視的損傷 / 破壊メカニズム 3.研究課題名 / 破壊メカニズム / その場観察 / 炭素繊維強化複合材料 / 有限要素解析 / 疲労破壊 / 破壊力学 / 亀裂 / 欠陥 / 複合材料 … More
Except Principal Investigator
… More X線顕微鏡(CT) / X線CT顕微鏡(CT) / X線顕微鏡(CT) / イメージベイスドモデル / X線CT顕微鏡(CT) / メゾスケール / 破壊力学特性 / CFRP Less
  • Research Projects

    (3 results)
  • Research Products

    (25 results)
  • Co-Researchers

    (4 People)
  •  微視的損傷進展に伴う非線形挙動を考慮したCFRPの亀裂進展挙動評価とメカニズム解明Principal Investigator

    • Principal Investigator
      大島 草太
    • Project Period (FY)
      2024 – 2026
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 18010:Mechanics of materials and materials-related
    • Research Institution
      Tokyo Metropolitan University
  •  Damage evaluation and lifetime prediction of CFRP composites initiated from microdefectsPrincipal Investigator

    • Principal Investigator
      Oshima Sota
    • Project Period (FY)
      2021 – 2023
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 18010:Mechanics of materials and materials-related
    • Research Institution
      Tokyo Metropolitan University
  •  Observation and mechanics of 3D + fatigue failure precursor phenomenon of CFRP interface region with ultra-high precision X-ray microscope

    • Principal Investigator
      Hojo Masaki
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 18010:Mechanics of materials and materials-related
    • Research Institution
      Kyoto University

All 2024 2023 2022 2021

All Journal Article Presentation

  • [Journal Article] DIC法を用いた亀裂検出システムの開発とCFRP積層板における疲労亀裂進展評価2024

    • Author(s)
      大島草太、日下貴之、野村泰稔
    • Journal Title

      日本複合材料学会誌

      Volume: 50 Pages: 55-61

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Journal Article] Cooling rate-dependent mechanical properties of polyphenylene sulfide (PPS) and carbon fiber reinforced PPS (CF/PPS)2023

    • Author(s)
      Oshima Sota、Higuchi Ryo、Kato Masaya、Minakuchi Shu、Yokozeki Tomohiro、Aoki Takahira
    • Journal Title

      Composites Part A: Applied Science and Manufacturing

      Volume: 164 Pages: 107250-107250

    • DOI

      10.1016/j.compositesa.2022.107250

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21K14047, KAKENHI-PROJECT-22K14489
  • [Journal Article] Experimental characterization of cracking behavior initiating from microdefects in cross-ply CFRP laminates2023

    • Author(s)
      Oshima Sota、Higuchi Ryo、Kobayashi Satoshi
    • Journal Title

      Engineering Fracture Mechanics

      Volume: 281 Pages: 109116-109116

    • DOI

      10.1016/j.engfracmech.2023.109116

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Journal Article] Nano- to Macroscale In Situ Observation of Microcrack Formation in Carbon Fiber-Reinforced Plastic under Loading Using Synchrotron Transmission X-ray Microscopy2023

    • Author(s)
      Masao Kimura, Toshiki Watanabe, Sota Oshima, Yasuo Takeichi,Yoshihiro Niwa, Rumi Kitazawa, Tomohiro Ishii, Yuji Seryo, Masaki Hojo
    • Journal Title

      AIP Conf. Seri

      Volume: 230 Pages: 109332-109332

    • DOI

      10.1016/j.compscitech.2022.109332

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-ORGANIZER-22H05104, KAKENHI-PROJECT-19H00834, KAKENHI-PROJECT-20H02028
  • [Journal Article] In situ optical observation of damage and failure process in adhesively bonded CFRP joints under mixed-mode loading2023

    • Author(s)
      Oshima Sota、Mikami Tomoisa、Yoshimura Akinori、Hirano Yoshiyasu、Ogasawara Toshio
    • Journal Title

      Composite Structures

      Volume: 305 Pages: 116453-116453

    • DOI

      10.1016/j.compstruct.2022.116453

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Journal Article] Experimental data for cooling rate-dependent properties of Polyphenylene Sulfide (PPS) and Carbon Fiber Reinforced PPS (CF/PPS)2023

    • Author(s)
      Oshima Sota、Higuchi Ryo、Kato Masaya、Minakuchi Shu、Yokozeki Tomohiro、Aoki Takahira
    • Journal Title

      Data in Brief

      Volume: 46 Pages: 108817-108817

    • DOI

      10.1016/j.dib.2022.108817

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K14047, KAKENHI-PROJECT-22K14489
  • [Journal Article] High-resolution in situ characterization of micromechanisms in CFRP laminates under mode II loading2022

    • Author(s)
      Sota Oshima, Aya Mamishin, Masaki Hojo, Masaaki Nishikawa, Naoki Matsuda, Manato Kanesaki
    • Journal Title

      Engineering Fracture Mechanics

      Volume: 260 Pages: 108189-108189

    • DOI

      10.1016/j.engfracmech.2021.108189

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21K14047, KAKENHI-PROJECT-20H02028
  • [Presentation] Micromechanisms of defect induced cracking in cross-ply CFRP laminates2024

    • Author(s)
      Sota Oshima, Ryo Higuchi, Satoshi Kobayashi
    • Organizer
      48th International Conference and Expo on Advanced Ceramics and Composites (ICACC2024)
    • Invited
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] Experimental characterization of R curve during transverse crack growth in unidirectional CFRP laminates using size-effect law2024

    • Author(s)
      Sota Oshima, Keishiro Fukayama, Tousei Noma, Haruki Hirai, Chong Gao, Takayuki Kusaka
    • Organizer
      48th International Conference and Expo on Advanced Ceramics and Composites (ICACC2024) 2024年1月22日
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] Experimental characterization of fatigue crack growth in cross-ply CFRP laminates initiating from microdefects2023

    • Author(s)
      Sota Oshima, Ryo Higuchi, Satoshi Kobayashi
    • Organizer
      9th International Conference on Fatigue of Composites (ICFC9)
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] CFRP直交積層板における欠陥を起点としたトランスバースクラックの進展挙動評価2023

    • Author(s)
      大島草太, 樋口諒, 小林訓史
    • Organizer
      第14回日本複合材料会議
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] Cracking behavior in cross-ply CFRP laminates initiating from microdefects under monotonic and cyclic loading2023

    • Author(s)
      Sota Oshima, Ryo Higuchi, Satoshi Kobayashi
    • Organizer
      2023 US-Japan Joint Symposium for Composite Materials
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] Crack growth behavior in CFRP laminates under mode II loading characterized by high-resolution microscopy2023

    • Author(s)
      Sota Oshima
    • Organizer
      JSPS-DST, Japan-India Workshop 2023, Innovative Carbon Fiber Polymer Composite Structures: Material, Design and Application
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] CFRPの層内樹脂割れに対する亀裂進展抵抗の評価2023

    • Author(s)
      大島草太
    • Organizer
      第24回高分子基複合材料の成形加工に関する研究会
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] Experimental and numerical evaluation of cracking behavior in cross-ply CFRP laminates initiated from micro defect2022

    • Author(s)
      Sota Oshima, Ryo Higuchi, Satoshi Kobayashi
    • Organizer
      International Conference on Materials & Processing 2022 (ICM&P2022)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] CFRP積層板における欠陥を起点としたトランスバースクラックの損傷進展過程2022

    • Author(s)
      大島草太, 樋口諒, 小林訓史
    • Organizer
      日本界面学会2022年度年次大会
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] CFRP直交積層板におけるトランスバースクラックの発生・進展に及ぼす欠陥寸法の影響2022

    • Author(s)
      大島草太、樋口諒、小林訓史
    • Organizer
      第64回構造強度に関する講演会
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] CFRP構造のき裂進展挙動に及ぼす微視的損傷の影響2021

    • Author(s)
      大島草太
    • Organizer
      日本材料学会第174回破壊力学部門委員会
    • Invited
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] Deformation Behavior of Neat Epoxy Resin under Loading and Unloading Conditions2021

    • Author(s)
      Sota Oshima, Masaki Hojo, Kohei Yamada, Toshio Ogasawara
    • Organizer
      8th International Conference on Fatigue of Composites (ICFC8)
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] 微視的欠陥がトランスバースクラックの発生・進展に及ぼす影響の実験的評価2021

    • Author(s)
      大島草太
    • Organizer
      2021年度JCOM若手ウェビナー
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] ミクロスケールの欠陥を起点とするトランスバースクラックの進展挙動評価2021

    • Author(s)
      大島草太、樋口諒
    • Organizer
      第46回複合材料シンポジウム
    • Data Source
      KAKENHI-PROJECT-21K14047
  • [Presentation] Microscopic triaxial stress state analysis to explain damages around crack tip in CFRP observed with 50 nm-resolution X-CT2021

    • Author(s)
      Yuji Seryo, Sota Oshima, Kosuke Miyaki, Masao Kimura, Toshiki Watanabe, Masaki Hojo, Masaaki Nishikawa, Naoki Matsuda
    • Organizer
      1st Virtual ESIS TC4 Conference on Fracture of Polymers, Composites and Adhesives
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H02028
  • [Presentation] Why Mode I fatigue delamination under different stress ratio is controlled by Kmax2021

    • Author(s)
      M. Hojo, K. Miyaki, S. Oshima, N. Matsuda, M. Nishikawa
    • Organizer
      The 8th International Conference on Fatigue of Composites
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H02028
  • [Presentation] CFRPのモードI層間はく離疲労き裂伝ぱの応力比依存性がKmaxに支配されるメカニズム2021

    • Author(s)
      北條正樹,宮木孝輔,大島草太,松田直樹,西川雅章
    • Organizer
      第20回破壊力学シンポジウム
    • Invited
    • Data Source
      KAKENHI-PROJECT-20H02028
  • [Presentation] CFRPの微視的構造がき裂先端近傍の三軸応力状態に及ぼす影響2021

    • Author(s)
      瀬領勇司,大島草太,宮木孝輔,木村正雄,渡邊稔樹,北條正樹,西川雅章,松田直樹
    • Organizer
      第12回日本複合材料会議(JCCM-12)
    • Data Source
      KAKENHI-PROJECT-20H02028
  • 1.  Hojo Masaki (70252492)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results
  • 2.  木村 正雄 (00373746)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 3.  西川 雅章 (60512085)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results
  • 4.  松田 直樹 (90756818)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results

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