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Virtual testing of self-healing ceramics toward backcasting-material design

Research Project

Project/Area Number 19K04088
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 18010:Mechanics of materials and materials-related
Research InstitutionYokohama National University

Principal Investigator

Ozaki Shingo  横浜国立大学, 大学院工学研究院, 准教授 (20408727)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords自己治癒セラミックス / 破壊強度 / 破壊力学 / 有限要素法 / 損傷モデル / 反応速度論 / 構成式 / ワイブル分布 / 自己治癒材料 / セラミックス / 計算力学 / 極値統計 / バーチャルテスト
Outline of Research at the Start

稼働中に発生したき裂を自律的に修復することのできる自己治癒セラミックス材料に関する研究を行う.通常の材料を対象とした場合とは異なり,き裂の発生・進展のみならず,自己治癒過程も考慮した数値シミュレーション手法を提案する.また,セラミックス特有の破壊強度のばらつきも同時に考慮する.最終的に,数値シミュレーションと実験観察技術を統合し,材料設計に資する仮想数値実験(バーチャルテスト)として体系化する.

Outline of Final Research Achievements

To achieve social implementation of self-healing ceramics, this study aims to establish a backcasting material design scheme that can relate the microstructural conditions to the required performance as structural members. To this end, a methodology for virtual numerical experiments has been developed as a basis for the backcasting scheme. Specifically, the "damage and self-healing constitutive model" and the "numerical analysis method of fracture statistics" for which the frameworks have been proposed by the authors, were precisely examined. Then, the generalization was achieved by specifying concrete forms such as various evolution laws based on reaction kinetics and probability density functions of defect distribution. The obtained results enables "highly accurate simulation of the crack repair process in conjunction with stochastic fracture simulation".

Academic Significance and Societal Importance of the Research Achievements

国内外の研究機関において,自己治癒性を有するセラミックス,ポリマーおよびコンクリートなどの開発が取り組まれている.次世代のスマート材料の本命とされるこれらの材料は,損傷発生時に,化学反応を積極的に活用することで微小き裂を再結合し,健全な状態へと自律的に回復できる.中でも,酸化物系自己治癒セラミックス基複合材は比強度,耐熱性および耐腐食性に優れているため,各種高温部材への適用が期待されている.今後,提案した材料設計スキームが活用されることで,産業界は新材料実用化のリスクやコストを低減でき,さらに学術界との連携より,実用化・標準化までの期間を大幅に短縮し得る可能性がある.

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (29 results)

All 2022 2021 2020 2019 Other

All Int'l Joint Research (2 results) Journal Article (8 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 7 results,  Open Access: 6 results) Presentation (17 results) (of which Int'l Joint Research: 9 results,  Invited: 2 results) Book (2 results)

  • [Int'l Joint Research] デルフト工科大学(オランダ)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] デルフト工科大学(オランダ)

    • Related Report
      2019 Research-status Report
  • [Journal Article] Finite element analysis of fracture behavior in ceramics: Prediction of strength distribution using microstructural features2022

    • Author(s)
      Shingo Ozaki, Kazuki Yamagata, Chihiro Ito, Takuma Kohata, Toshio Osada
    • Journal Title

      Journal of the American Ceramic Society

      Volume: 105 Issue: 3 Pages: 2182-2195

    • DOI

      10.1111/jace.18201

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Kinetics-based constitutive model for self-healing ceramics and its application to finite element analysis of Alumina/Sic composites2021

    • Author(s)
      Shingo Ozaki, Joji Yamamoto, Naoki Kanda, Toshio Osada
    • Journal Title

      Open Ceramics

      Volume: 6(100135) Pages: 1-11

    • DOI

      10.1016/j.oceram.2021.100135

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Full strength and toughness recovery after repeated cracking and healing in bone-like high temperature ceramics2020

    • Author(s)
      Osada, T., Watabe, A., Yamamoto, J. Brouwer, J.C., Brouwer, C., Ozaki, S., Sybrand, Z., Sloof, W.G.
    • Journal Title

      Scientific Reports

      Volume: 20 Issue: 1 Pages: 1-12

    • DOI

      10.1038/s41598-020-75552-1

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Finite element analysis of the fracture statistics of self-healing ceramics2020

    • Author(s)
      Ozaki, S., Nakamura, M., Osada, T.
    • Journal Title

      Science and Technology of Advanced Materials

      Volume: 21 Issue: 1 Pages: 609-625

    • DOI

      10.1080/14686996.2020.1800368

    • NAID

      120006893219

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Self-healing by design: universal kinetic model of strength recovery in self-healing ceramics2020

    • Author(s)
      Osada, T., Hara, T., Mitome, M., Ozaki, S., Abe, T., Kamoda, K., Ohmura, T.
    • Journal Title

      Science and Technology of Advanced Materials

      Volume: 21 Issue: 1 Pages: 593-608

    • DOI

      10.1080/14686996.2020.1796468

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Finite element analysis of the size effect on ceramic strength2019

    • Author(s)
      Takeo, K., Aoki, Y., Osada, T., Nakao, W., Ozaki, S.
    • Journal Title

      Materials

      Volume: 12 Issue: 18 Pages: 1-13

    • DOI

      10.3390/ma12182885

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Advanced fiber reinforced self-healing ceramics for middle range temperature2019

    • Author(s)
      Nakao, W., Hayakawa, T., Yanaseko, T., Ozaki, S.
    • Journal Title

      Key Engineering Materials

      Volume: 810 Pages: 119-124

    • DOI

      10.4028/www.scientific.net/kem.810.119

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] 特別解説 有限要素法によるセラミックス強度のばらつきの評価2019

    • Author(s)
      尾崎伸吾
    • Journal Title

      耐火物技術協会

      Volume: 71 Pages: 502-508

    • Related Report
      2019 Research-status Report
  • [Presentation] 内部欠陥の分布情報に基づくセラミックス強度のサイズ依存性の推定2021

    • Author(s)
      山本 明穂,竹之内 麻衣,小幡 卓眞,長田 俊郎,尾崎 伸吾
    • Organizer
      日本機械学会 M&M2021 材料力学カンファレンス
    • Related Report
      2021 Annual Research Report
  • [Presentation] 小さな表面欠陥が存在するセラミックスの破壊強度に関する有限要素解析2021

    • Author(s)
      伊藤 千紘,長田 俊郎,尾崎 伸吾
    • Organizer
      日本機械学会 M&M2021 材料力学カンファレンス
    • Related Report
      2021 Annual Research Report
  • [Presentation] Chevron notchを有するセラミックス三点曲げ試験片の有限要素解析2021

    • Author(s)
      小野 隼士,長田 俊郎,尾崎 伸吾
    • Organizer
      日本機械学会 第34回計算力学講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 自己治癒セラミックスの有限要素解析: chevron notch付き三点曲げ試験の解析2021

    • Author(s)
      前田 太陽,長田 俊郎,尾崎 伸吾
    • Organizer
      日本機械学会 第34回計算力学講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 自己治癒セラミックスの強度評価試験の有限要素解析2021

    • Author(s)
      前田 太陽,長田 俊郎,尾崎 伸吾
    • Organizer
      第29回機械材料・材料加工技術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Finite element analysis of fracture statistics of ceramics2020

    • Author(s)
      Shingo Ozaki, Aoki Yuya, Kyohei Takeo, Toshio Osada
    • Organizer
      COMPSAFE2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Finite element analysis of MAX phase ceramics by the elastoplastic-damage model2020

    • Author(s)
      Ono Hayato, Kanda Naoki, Toshio Osada and Shingo Ozaki
    • Organizer
      COMPSAFE2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Finite element analysis of self-healing ceramics -Analysis of wedge splitting test-2020

    • Author(s)
      Naoki Kanda, Aiko Watabe, Toshio Osada and Shingo Ozaki
    • Organizer
      COMPSAFE2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Finite Element Analysis of Damage and Healing Behaviour in Ceramics2020

    • Author(s)
      Naoki Kandaa, Aiko Watabe, Toshio Osada, Shingo Ozaki
    • Organizer
      APCFS2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Prediction of Scatter of Ceramic Strength using FEM: Effect of Sintering Temperature2020

    • Author(s)
      Kazuki Yamagata, Toshio Osada and Shingo Ozaki
    • Organizer
      APCFS2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] セラミックスの破壊統計に関する有限要素解析:焼結条件の影響2019

    • Author(s)
      尾崎伸吾,青木祐也,長田俊郎
    • Organizer
      計算工学講演会
    • Related Report
      2019 Research-status Report
  • [Presentation] Finite element analysis on scatter of strength and self-healing behavior in alumina/SiC composites2019

    • Author(s)
      Shingo Ozaki, Marika Nakamura, Kyohei, Takeo, Osada Toshio
    • Organizer
      7th International Conference on Self-Healing Materials
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Finite element analysis of the self-healing behavior in alumina/SiC composite: Effect of compound ratio of self-healing agent2019

    • Author(s)
      Aiko Watabe, Osada Toshio, Kyohei Takeo, Shingo Ozaki
    • Organizer
      7th International Conference on Self-Healing Materials
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Numerical analysis of competitive behavior between healing and crack propagation in fiber-reinforced self-healing ceramics2019

    • Author(s)
      Naoki Kanda, Kyohei Takeo, Wataru Nakao, Shingo Ozaki
    • Organizer
      7th International Conference on Self-Healing Materials
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Constitutive model for self-healing ceramics and its application to finite element analysis2019

    • Author(s)
      Shingo Ozaki
    • Organizer
      5th German‐Japanese Workshop on Computational Mechanics
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 自己治癒セラミックスの有限要素解析: wedge testの解析2019

    • Author(s)
      渡部 愛子,長田 俊郎,尾崎 伸吾
    • Organizer
      日本機械学会 第32回計算力学講演会(CMD2019)
    • Related Report
      2019 Research-status Report
  • [Presentation] セラミックスの破壊統計に関する焼結温度の影響:有限要素法による強度ばらつきの予測2019

    • Author(s)
      山形 一輝,長田 俊郎,尾崎 伸吾
    • Organizer
      日本機械学会 M&M2019 材料力学カンファレンス
    • Related Report
      2019 Research-status Report
  • [Book] セラミックスの破壊統計のためのバーチャルテスト技術2020

    • Author(s)
      尾崎伸吾
    • Total Pages
      5
    • Publisher
      無機マテリアル
    • Related Report
      2020 Research-status Report
  • [Book] 有限要素法を用いた自己治癒セラミックスの強度評価2020

    • Author(s)
      尾崎伸吾
    • Total Pages
      4
    • Publisher
      セラミックス協会
    • Related Report
      2020 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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