OSHIMA Sota 大島草太

… Alternative Names

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

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

OSHIMA Sota 大島 草太

Oshima Sota 大島 草太

Research Projects

Research Products

Co-Researchers

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

Project Period (FY)

Research Category

Review Section

Research Institution

Damage evaluation and lifetime prediction of CFRP composites initiated from microdefectsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Observation and mechanics of 3D + fatigue failure precursor phenomenon of CFRP interface region with ultra-high precision X-ray microscope

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[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)

Journal Title

Data Source

[Journal Article] Cooling rate-dependent mechanical properties of polyphenylene sulfide (PPS) and carbon fiber reinforced PPS (CF/PPS)2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Experimental characterization of cracking behavior initiating from microdefects in cross-ply CFRP laminates2023

Author(s)

Journal Title

DOI

Data Source

[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)

Journal Title

DOI

Data Source

[Journal Article] In situ optical observation of damage and failure process in adhesively bonded CFRP joints under mixed-mode loading2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Experimental data for cooling rate-dependent properties of Polyphenylene Sulfide (PPS) and Carbon Fiber Reinforced PPS (CF/PPS)2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] High-resolution in situ characterization of micromechanisms in CFRP laminates under mode II loading2022

Author(s)

Journal Title

DOI

Data Source

[Presentation] Micromechanisms of defect induced cracking in cross-ply CFRP laminates2024

Author(s)

Organizer

Data Source

[Presentation] Experimental characterization of R curve during transverse crack growth in unidirectional CFRP laminates using size-effect law2024

Author(s)

Organizer

Data Source

[Presentation] Experimental characterization of fatigue crack growth in cross-ply CFRP laminates initiating from microdefects2023

Author(s)

Organizer

Data Source

[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)

Organizer

Data Source

[Presentation] Cracking behavior in cross-ply CFRP laminates initiating from microdefects under monotonic and cyclic loading2023

Author(s)

Organizer

Data Source

[Presentation] Crack growth behavior in CFRP laminates under mode II loading characterized by high-resolution microscopy2023

Author(s)

Organizer

OSHIMA Sota 大島草太

Oshima Sota 大島草太